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ENVIRONMENTAL PROTECTION AND MANAGEMENT ACT (CHAPTER 94A, SECTIONS 12 (5) AND 77)


ENVIRONMENTAL PROTECTION AND MANAGEMENT ACT
(CHAPTER 94A, SECTIONS 12 (5) AND 77)
ENVIRONMENTAL PROTECTION AND MANAGEMENT (VEHICULAR
EMISSIONS) REGULATIONS

[1st July 1999]
Arrangement of Provisions
PART I
PRELIMINARY
1 Citation
2 Definitions
3 Application
PART II
STANDARDS AND TESTS FOR VEHICLE EXHAUST EMISSION AND NOISE
EMISSION
4 Standards for exhaust emission for new motor vehicles
5 Standards for noise emission for new motor vehicles
6 Standards for exhaust emission for in-use motor vehicles
7 Standards for noise emission for in-use motor vehicles
8 Unleaded petrol
9 Vehicle manufacturer’s certificate
PART III
FLEET OWNERS
10 Owners of motor vehicle fleets
11 Special duties of owners of motor vehicle fleets
PART IV
RE-EXAMINATION AND RECTIFICATION NOTICES
12 Re-examination of motor vehicle
13 Appeal on refusal of certificate of compliance
14 Re-examination on appeal
History
G.N. NO.S
291/99
->
2001
REVISEDEDITION
->
RG6
2008
REVISED
EDITION
Page 1 of 14
15 Rectification notices
16 Re-examination by approved vehicle examiners, etc.
17 Cancellation and withdrawal of approval
18 Requirements as to motor vehicles submitted for re-examination
PART V
OFFENCES
19 Smoky motor vehicles
20 Excessive noise
21 Stationary motor vehicles
21A Duty to provide information
22 Restriction of motor vehicles on roads
23 Penalty
FIRST SCHEDULE
STANDARD FOR EXHAUST EMISSION FOR NEW PETROL DRIVEN MOTOR
VEHICLES
SECOND SCHEDULE
STANDARD FOR EXHAUST EMISSION FOR DIESEL DRIVEN MOTOR
VEHICLES
THIRD SCHEDULE
STANDARD FOR EXHAUST EMISSION FOR NEW MOTOR CYCLES AND
SCOOTERS
FOURTH SCHEDULE
STANDARD FOR NOISE EMISSION FOR NEW MOTOR VEHICLES
FIFTH SCHEDULE
STANDARD FOR EXHAUST EMISSION FOR IN-USE MOTOR VEHICLES
SIXTH SCHEDULE
STANDARD FOR NOISE EMISSION FOR IN-USE MOTOR VEHICLES
Actual Provisions
PART I
PRELIMINARY
Citation
1. These Regulations may be cited as the Environmental Protection and Management (Vehicular
Emissions) Regulations.
Definitions
2. In these Regulations, unless the context otherwise requires —
"approved vehicle examiner" means a vehicle examiner approved under these Regulations to
carry out any re-examination under these Regulations;
"certificate of compliance" means a certificate of compliance issued by an approved vehicle
examiner under regulation 12 (3) (a) or 14 (5) (a);
“goods vehicle”, “motor vehicle”, “owner” and “public service vehicle”shall have the same
meanings as in the Road Traffic Act (Cap. 276);
Page 2 of 14
"licensed motor vehicle" means a motor vehicle in respect of which a vehicle licence is
issued and in force;
"prescribed standard" means any standard specified in any Schedule to these Regulations;
"registered" , in relation to a motor vehicle, means registered for the first time under section
26 of the Road Traffic Act (Cap. 276);
"use" means use on a road in Singapore;
"vehicle examiner" means a person authorised under section 90 (2) of the Road Traffic Act
to carry out a vehicle examination;
"vehicle licence" means a vehicle licence issued by the Registrar of Vehicles under section
19 of the Road Traffic Act;
"vehicle testing station" has the same meaning as in the Road Traffic (Motor Vehicles, Test)
Rules (Cap. 276, R 21).
Application
3. —(1) Unless otherwise expressly provided, these Regulations shall apply only to a motor vehicle
whose whole weight is transmitted to the road surface by means of its wheels that are in contact
with the ground when the motor vehicle is in motion.
(2) Nothing in Part II (except regulation 6) shall apply to a motor vehicle or trailer brought
temporarily into Singapore by a person resident abroad.
PART II
STANDARDS AND TESTS FOR VEHICLE EXHAUST EMISSION AND NOISE
EMISSION
Standards for exhaust emission for new motor vehicles
4. —(1) Every petrol driven motor vehicle (other than a motor cycle or scooter) to be registered on
or after 1st January 2001 shall conform to the standard for exhaust emission specified in the First
Schedule.
(2) Every diesel driven motor vehicle (other than a motor cycle or scooter) which is registered on
or after 1st January 2001 but before 1st October 2006 shall conform to the standard for exhaust
emission specified in Part I of the Second Schedule for the class of motor vehicle to which that
motor vehicle belongs.
(3) Every diesel driven motor vehicle (other than a motor cycle or scooter) which is registered on
or after 1st October 2006 shall conform to the standard for exhaust emission specified in Part II of
the Second Schedule for the class of motor vehicle to which that motor vehicle belongs.
(4) Every motor cycle and scooter to be registered on or after 1st July 2003 shall conform to the
standard for exhaust emission specified in the Third Schedule.
Standards for noise emission for new motor vehicles
5. Every motor vehicle to be registered on or after 1st July 1999 shall not emit any noise exceeding
the level specified in the Fourth Schedule for the class of motor vehicle to which that vehicle
belongs.
Standards for exhaust emission for in-use motor vehicles
6. Every licensed motor vehicle that is in use (whether registered before, on or after 1st July 1999)
Page 3 of 14
and every motor vehicle not registered in Singapore (whether brought temporarily into Singapore
or otherwise) that is in use shall conform to the standard for exhaust emission specified in the Fifth
Schedule.
Standards for noise emission for in-use motor vehicles
7. Every licensed motor vehicle that is in use (whether registered before, on or after 1st July 1999)
shall conform to the standard of noise emission specified in the Sixth Schedule.
Unleaded petrol
8. Every petrol driven motor vehicle to be registered on or after 1st July 1999 shall be capable of
running on unleaded petrol.
Vehicle manufacturer’s certificate
9. The following may be accepted as prima facie evidence for the purpose of determining whether
any motor vehicle to be registered on or after 1st July 1999 conforms to any prescribed standard:
(a) a certificate from the manufacturer of the vehicle stating that the motor vehicle conforms
to the standard for exhaust emission specified in the First, Second or Third Schedule, or the
standard for noise emission specified in the Fourth Schedule, as the case may be; or
(b) a certificate stating that the motor vehicle belongs to a model or batch of vehicles that
conform to the standard for exhaust emission specified in the First, Second or Third
Schedule, or the standard for noise emission specified in the Fourth Schedule, as the case
may be.
PART III
FLEET OWNERS
Owners of motor vehicle fleets
10. This Part shall apply only to a person who is the owner or who has under his control or
possession 3 or more —
(a) public service vehicles (other than trishaws) for the purpose of his business or trade;
(b) motor vehicles for the purposes of his business or trade as a manufacturer or dealer of
motor vehicles; or
(c) motor vehicles for the purpose of his business or trade of transporting goods or cargo for
hire or reward.
Special duties of owners of motor vehicle fleets
11. —(1) The Director-General may, by notice in writing, require any person to whom this Part
applies to take such measures as the Director-General may specify, being measures necessary to
ensure that every motor vehicle or public service vehicle the person owns or has under his control
or possession conforms to the applicable prescribed standards, including but not limited to —
(a) carrying out regular servicing and repair of the motor vehicles at such intervals and
workshops as may be specified by the Director-General in the notice; and
(b) keeping and maintaining full and accurate records of such servicing and repair carried
out.
(2) Any person who fails to comply with a notice under paragraph (1) shall be guilty of an offence
unless he satisfies the court that he has used all due diligence to comply with the notice.
Page 4 of 14
PART IV
RE-EXAMINATION AND RECTIFICATION NOTICES
Re-examination of motor vehicle
12. —(1) The Director-General may, at any time by notice in writing, require the owner of any
licensed motor vehicle to submit the vehicle, at such place and such time as may be specified in the
notice, for a re-examination for the purpose of determining whether the vehicle still conforms to
the applicable prescribed standards.
(2) Every motor vehicle that is submitted for re-examination pursuant to a notice under paragraph
(1) shall be examined for the purpose of ascertaining whether the motor vehicle conforms to all the
applicable prescribed standards at the date of such re-examination.
(3) After the re-examination under this regulation is completed, the approved vehicle examiner
shall —
(a) issue a certificate of compliance to the owner of the motor vehicle re-examined if he is
satisfied that the vehicle conforms to all the applicable prescribed standards at the date of
such re-examination; or
(b) if he is not so satisfied, refuse to issue a certificate of compliance and issue instead an
inspection report to the Director-General and to the owner of the motor vehicle re-examined
containing the detailed results of the re-examination.
(4) Any person who, without the permission of the Director-General, makes any alteration to any
certificate of compliance or inspection report issued under paragraph (3) shall be guilty of an
offence.
(5) Any such certificate of compliance or inspection report that contains any unlawful alteration
shall be invalid.
(6) Any owner of a motor vehicle who fails to comply with the notice of the Director-General
under paragraph (1) shall be guilty of an offence unless he satisfies the court that, owing to some
mechanical breakdown or other sufficient reason, the vehicle cannot be submitted for reexamination
under this regulation.
Appeal on refusal of certificate of compliance
13. —(1) Any person who is aggrieved by the refusal of a certificate of compliance under
regulation 12 (3) (b) may appeal to the Director-General within 24 hours from the time of the
notification of such refusal.
(2) Every appeal shall be made in writing on a form approved by the Director-General.
(3) The Director-General shall, as soon as reasonably practicable after the receipt of an appeal
under paragraph (1), send a notice to the appellant stating the place and time the re-examination for
the purposes of the appeal will be conducted.
Re-examination on appeal
14. —(1) The place selected by the Director-General for a re-examination for the purposes of an
appeal may be at such other approved vehicle testing station as the Director-General thinks fit.
(2) The motor vehicle shall be submitted to another approved vehicle examiner specially appointed
by the Director-General for re-examination for the purposes of an appeal and at the place and time
specified in the notice under regulation 13 (3) unless otherwise specified by the Director-General.
Page 5 of 14
(3) A person submitting a motor vehicle for re-examination for the purposes of an appeal shall, if
requested to do so by an approved vehicle examiner specially appointed by the Director-General to
carry out the re-examination —
(a) produce to that specially appointed approved vehicle examiner the inspection report
issued under regulation 12 (3) (b) by the other approved vehicle examiner in respect of the
vehicle, and the registration document relating to the vehicle or any other evidence of the
date of its first registration; and
(b) give to that specially appointed approved vehicle examiner such information as he may
reasonably require in connection with the carrying out of the re-examination relating to any
alteration or repair carried out, or other event occurring, since the issue of the inspection
report, which may have affected the vehicle or any of its equipment or accessories.
(4) The specially appointed approved vehicle examiner shall not be required to carry out any reexamination
on appeal unless the report, document and information referred to in paragraph (3) are
produced or given.
(5) The specially appointed approved vehicle examiner shall, on completion of a re-examination
under this regulation —
(a) issue a certificate of compliance to the owner of the motor vehicle if he is satisfied that
the vehicle conforms to all the applicable prescribed standards at the date of such reexamination;
or
(b) refuse to issue a certificate of compliance if he is not satisfied that the vehicle conforms
to all the applicable prescribed standards at the date of such re-examination, and immediately
notify the Director-General of his decision.
(6) The decision of the specially appointed approved vehicle examiner on a re-examination under
this regulation shall be final.
Rectification notices
15. —(1) The Director-General shall immediately issue a rectification notice to the owner of the
licensed motor vehicle concerned —
(a) after receipt of an inspection report issued under regulation 12 (3) (b) if no appeal under
regulation 13 (1) is made; or
(b) if such an appeal is made, after receipt of a notification under regulation 14 (5) (b) of a
specially appointed approved vehicle examiner’s refusal to issue a certificate of compliance
following a re-examination of the motor vehicle on that appeal.
(2) The Director-General may also issue a rectification notice to the owner of any licensed motor
vehicle where it appears to him that the motor vehicle has been used contrary to any provision in
these Regulations.
(3) A rectification notice shall state —
(a) in what respect the licensed motor vehicle is found not to satisfy any requirement of the
applicable prescribed standard; and
(b) that, unless the motor vehicle is submitted for a further examination by an approved
vehicle examiner at an approved vehicle testing station and within such period as may be
specified in the rectification notice and is found at that further examination to conform to all
the applicable prescribed standards, the rectification notice will remain in force for that
Page 6 of 14
motor vehicle with effect from the date of the notice.
(4) Except as otherwise provided in paragraph (5), no person shall use on a road at any time, or
cause or permit to be so used, a motor vehicle in respect of which there is a rectification notice in
force.
(5) A motor vehicle in respect of which there is a rectification notice in force may be used —
(a) on a journey for the purpose of effecting repairs thereto and its further examination at an
approved vehicle testing station in accordance with the notice; or
(b) for such period and under such other circumstances as the Director-General may
expressly authorise its continued use.
(6) The Director-General shall cancel any authorisation granted under paragraph (5) (b) for the
continued use of a motor vehicle in respect of which a rectification notice is in force if the motor
vehicle —
(a) is not submitted for a further examination in accordance with the terms of the rectification
notice; or
(b) is found at that further examination to still not conform to all the applicable prescribed
standards.
(7) Any person who contravenes paragraph (4) shall be guilty of an offence.
Re-examination by approved vehicle examiners, etc.
16. —(1) Except where otherwise provided, any re-examination under regulation 12 or 14 and any
further examination pursuant to a rectification notice under regulation 15 (3) shall be carried out by
vehicle examiners and at vehicle testing stations approved under this regulation only.
(2) Every application for approval shall —
(a) be made to the Director-General; and
(b) be signed by the vehicle examiner or a person duly authorised to do so on its behalf if the
vehicle examiner is a firm or body corporate.
(3) The Director-General may require a separate application for approval to be made in respect of
each of the vehicle testing stations at which a vehicle examiner intends to carry out any reexamination
of motor vehicles under regulation 12 or 14 or further examination under regulation
15 (3), as the case may be.
(4) On receipt of an application under paragraph (2) from a vehicle examiner, the Director-General
may, after making such investigation and carrying out such inspection as he considers necessary —
(a) approve, with or without conditions, the vehicle examiner for the purpose of carrying out
any re-examination or further examination of motor vehicles under regulation 12, 14 or 15
(3), as the case may be, in respect of any class or classes of motor vehicles; or
(b) reject the application.
(5) An approved vehicle examiner shall not authorise any person to carry out or personally
supervise any such re-examinations or further examinations at any of its approved vehicle testing
stations unless the person has undergone successfully a course of instruction approved by the
Director-General and is regarded by the Director-General to be competent to act for that purpose.
Page 7 of 14
(6) Approved vehicle examiners shall ensure that all apparatus used or necessary for the purposes
of any such re-examination or further examination under regulation 12, 14 or 15 (3) shall be
maintained in an efficient state and, in the case of any such apparatus designed to indicate any
measurement, that such apparatus shall do so accurately within reasonable limits.
Cancellation and withdrawal of approval
17. —(1) Any approval of a vehicle examiner granted under this regulation shall cease to have
effect —
(a) where the person specified in the approval is an individual, on the death or bankruptcy of
that individual;
(b) where the person specified in the approval is a partnership firm, on the dissolution of that
firm; or
(c) where the person specified in the approval is a body corporate, on the making of an order
or the passing of a resolution for the winding up of that body corporate, not being a winding
up for the purpose of amalgamation or reconstruction only.
(2) A reference to the bankruptcy of an individual in paragraph (1) (a) shall be read as a reference
to the making of a bankruptcy order against him, his filing a bankruptcy application or his making
an arrangement with or assignment in favour of his creditors.
(3) An approved vehicle examiner may at any time give notice to the Director-General stating that
after such date as may be specified in the notice the examiner does not propose to continue to act as
an approved vehicle examiner under these Regulations as may be specified in the notice.
(4) The date on which an approved vehicle examiner ceases to act as an approved vehicle examiner
shall not be earlier than 3 months after the date of any notice given by him under paragraph (3).
(5) The Director-General may, by notice in writing, cancel any approval granted under this
regulation to any vehicle examiner to carry out re-examination of motor vehicles under regulation
12 or 14 if the Director-General is satisfied that the approved vehicle examiner —
(a) has failed to comply with regulation 16 (5) or (6) or with any condition of approval
imposed under regulation 16 (4) (a); or
(b) is for any reason not able to discharge his duties under these Regulations effectively or
efficiently.
(6) Except where it is otherwise specified, the date of any such cancellation of approval shall not be
earlier than 28 days after the date of the notice under paragraph (5).
(7) If, within 14 days from the date of the notice, the Director-General receives from the approved
vehicle examiner to whom that notice is given or from any person acting on behalf of that examiner
representations to the effect that any approval to which that notice relates should not be withdrawn,
the Director-General shall consider these representations and make such investigations in respect
thereof as he thinks fit.
Requirements as to motor vehicles submitted for re-examination
18. Notwithstanding anything to the contrary in these Regulations, there is no duty or requirement
to carry out a re-examination or further examination of a motor vehicle under any provision of
these Regulations if —
(a) on the submission of the motor vehicle for re-examination or further examination, the
person applying for the re-examination or further examination does not, after being requested
Page 8 of 14
to do so, produce the registration document relating to the vehicle or any other evidence as to
the date of its first registration or the inspection report issued under regulation 12 (3) (b),
where applicable;
(b) where the motor vehicle or any part thereof or any of its equipment is in such a dirty
condition as to make it unreasonably difficult for the re-examination or further examination
to be carried out;
(c) where the approved vehicle examiner is not able, with the facilities and apparatus
available to him at the approved vehicle testing station at which the re-examination or further
examination would have been carried out, to complete the re-examination or further
examination without the vehicle being driven and the vehicle is not, when submitted for reexamination
or further examination, provided with fuel or oil to enable it to be driven to such
extent as may be necessary for the purposes of carrying out the examinations; or
(d) where before the carrying out of the re-examination or further examination of the motor
vehicle, all or any goods or other things which are on the vehicle and are not part of its
equipment or accessories are required to be removed from the vehicle or to be secured in
such manner as the approved vehicle examiner may think necessary and the goods or things
are not removed or secured accordingly.
PART V
OFFENCES
Smoky motor vehicles
19. —(1) No person shall use or cause or permit to be used on any road any motor vehicle from
which any smoke or visible vapour is emitted.
(2) The driver of any motor vehicle found emitting smoke or visible vapour in contravention of
paragraph (1) shall be guilty of an offence, and if the driver is not the owner of that vehicle, the
owner shall also be guilty of an offence.
Excessive noise
20. —(1) No person shall use or cause or permit to be used on a road any motor vehicle that does
not conform to the standard for noise emission specified in the Sixth Schedule for the class of
vehicle to which that motor vehicle belongs.
(2) Any person who contravenes paragraph (1) shall be guilty of an offence.
(3) Where a person is charged with an offence under paragraph (1), it shall be good defence for that
person if —
(a) he can prove that the noise or continuance of the noise from the motor vehicle was due to
some temporary or accidental cause which could not have been prevented through due
diligence and care on the part of the owner or driver of the vehicle; or
(b) where the person is the driver or the person not being the owner of the motor vehicle has
charge of the vehicle, he can prove that the noise arose through a defect in the design or
construction of the vehicle or trailer or through the negligence or fault of some other person
whose duty was to keep the motor vehicle or trailer in proper condition or in a proper state of
repair or adjustment or properly to pack or adjust the load of such motor vehicle or trailer,
and could not have been prevented through due diligence and care on the part of that driver
or other person in charge of the vehicle.
Page 9 of 14
Stationary motor vehicles
21. —(1) Subject to paragraph (2), the driver of every motor vehicle shall, when the vehicle is
stationary for reasons other than traffic conditions, stop the engine of or other machinery attached
to or forming part of the vehicle.
(2) Nothing in paragraph (1) shall apply to the examination or working of the machinery attached
to or forming part of a motor vehicle where any such examination or working is rendered necessary
by any failure or derangement of the machinery or where the machinery is required to be worked
for some ancillary purpose.
(3) Any person who fails to comply with paragraph (1) shall be guilty of an offence.
Duty to provide information
21A. —(1) Where a person who has used or caused or permitted a motor vehicle to be used on a
road (referred to in this regulation as the offender) is alleged or is suspected to have committed an
offence under regulation 21 —
(a) the owner of the motor vehicle shall, where required by the Director-General or any
authorised officer, give such information as to the identity and address of the offender, and as
to the driving licence held by the offender (if necessary); and
(b) any other person who was or should have been in charge of the motor vehicle shall, if so
required under sub-paragraph (a), give any information which is in his power to give, and
which may lead to the identification of the offender.
(2) Any owner of a motor vehicle or any other person who fails to furnish the information
required from him under paragraph (1)(a) or (b), as the case may be, within 7 days of the date on
which the information was required from him shall be guilty of an offence unless he proves, to the
satisfaction of the court, that he did not know and could not with reasonable diligence have
ascertained the information required.
(3) Any person who wilfully furnishes any false or misleading information under paragraph (1)
shall be guilty of an offence.
(4) The Director-General or any authorised officer may require any information to be furnished
under paragraph (1) to be in writing signed by the person required to furnish such information.
(5) In this regulation, “owner”, in relation to a motor vehicle, includes —
(a) every person who is the joint owner or part owner of the vehicle and any person who has
the use of the vehicle under a hiring agreement or hire-purchase agreement but who is not the
owner under any such agreement;
(b) the person in whose name the vehicle is registered except where the person has sold or
otherwise disposed of the vehicle and has complied with the provisions of the rules
applicable to him in regard to such sale or disposal; and
(c) in the case of a vehicle in respect of which a general licence is issued under section 28 of
the Road Traffic Act (Cap. 276), the person to whom the general licence is issued.
Restriction of motor vehicles on roads
22. —(1) The Director-General may, with the approval of the Minister, by order prohibit or restrict
the use of motor vehicles of any specified class or description and either generally or during
particular hours on any roads in Singapore if the Director-General is satisfied that the prohibition or
Page 10 of 14
restriction is necessary to safeguard public health from excessive levels of air pollution.
(2) Subject to paragraph (3), any person who uses or causes or permits to be used any vehicle in
contravention of any order made under paragraph (1) shall be guilty of an offence.
(3) Nothing in this regulation shall prevent the use of any motor vehicle to convey any sick or
injured person in the case of a medical emergency.
Penalty
23. Any person who is guilty of an offence under any provision of these Regulations shall be liable
on conviction to a fine not exceeding $2,000 and, in the case of a second or subsequent conviction,
to a fine not exceeding $5,000.
FIRST SCHEDULE
Regulation 4 (1)
STANDARD FOR EXHAUST EMISSION FOR
NEW PETROL DRIVEN MOTOR VEHICLES
The standard for exhaust emission for petrol driven motor vehicles shall be the EC Directive
96/69/EC.
SECOND SCHEDULE
Regulation 4 (2) and (3)
STANDARD FOR EXHAUST EMISSION FOR
DIESEL DRIVEN MOTOR VEHICLES
PART I
FOR DIESEL DRIVEN MOTOR VEHICLES REGISTERED ON
OR AFTER 1ST JANUARY 2001 BUT BEFORE 1ST OCTOBER 2006
The standards for exhaust emission for diesel driven motor vehicles of the following classes
are as follows:
PART II
FOR DIESEL DRIVEN MOTOR VEHICLES REGISTERED ON
OR AFTER 1ST OCTOBER 2006
The standards for exhaust emission for diesel driven motor vehicles of the following classes
Class of vehicle Standard for exhaust emission
(a) Passenger car EC Directive 96/69/EC
(b) Light commercial vehicle with gross vehicle
weight not exceeding 3.5 tonnes
EC Directive 96/69/EC
(c) Heavy duty vehicle with gross vehicle weight
exceeding 3.5 tonnes
EC Directive 91/542/EEC Stage II.
Page 11 of 14
are as follows:
THIRD SCHEDULE
Regulation 4 (4)
STANDARD FOR EXHAUST EMISSION FOR
NEW MOTOR CYCLES AND SCOOTERS
The standard for exhaust emission for motor cycles and scooters shall be the EC Directive
97/24/EC.
FOURTH SCHEDULE
Regulation 5
STANDARD FOR NOISE EMISSION
FOR NEW MOTOR VEHICLES
1. Motor vehicles of the following classes shall not emit any noise exceeding the following
levels specified when measured 0.5 metre from the open end of the exhaust pipe of the
vehicle:
2. For the purposes of paragraph 1, “light goods vehicle” means —
(a) a goods vehicle the maximum laden weight of which does not exceed 3 metric tons
and which is registered using a certificate of entitlement issued before 1st July 1999;
or
(b) a goods vehicle the maximum laden weight of which does not exceed 3.5 metric
tons and which is registered using a certificate of entitlement issued on or after 1st July
1999,
Class of vehicle Standard for exhaust emission
(a) Passenger car EC Directive 98/69/EC-B(2005)
(b) Light commercial vehicle with gross
vehicle weight not exceeding 3.5 tonnes
EC Directive 98/69/EC-B(2005)
(c) Heavy duty vehicle with gross vehicle
weight exceeding 3.5 tonnes
EC Directive 1999/96/EC-B1(2005).
Class of vehicle Noise level
in Decibels (A)
(a) Motor cycle (with or without a side car), scooter or trivan 99
(b) Motor car, taxi or station wagon (whether for passengers
only or for goods and passengers)
103
(c) Light goods vehicle 103
(d) Goods vehicle or bus with engine capacity not exceeding
10,000 cubic centimetres
105
(e) Goods vehicle or bus with an engine capacity exceeding
10,000 cubic centimetres
107.
Page 12 of 14
but does not include any construction equipment, engineering plant, recovery vehicle,
vehicle used as a mobile canteen or mobile bank and any vehicle used for a specific purpose
such as a horse float.
FIFTH SCHEDULE
Regulation 6
STANDARD FOR EXHAUST EMISSION
FOR IN-USE MOTOR VEHICLES
1. Every petrol driven motor vehicle that is in use must be equipped with a silencer,
expansion chamber or other contrivance suitable and sufficient for reducing, as far as may be
reasonable, the noise caused by the escape of exhaust gases from the engine where it is
propelled by means of an internal combustion engine.
2. All parts of the exhaust system of any petrol driven motor vehicle must be in good and
sufficient condition and comply with the exhaust's requirements.
3. The level of carbon monoxide emitted from the exhaust of any petrol driven motor vehicle
must not exceed —
(a) in the case of a petrol driven motor vehicle (other than a motor cycle) registered on
or after 1st July 1992, 3.5% by volume;
(b) in the case of a petrol driven motor vehicle (other than a motor cycle) registered on
or after 1st October 1986 but before 1st July 1992, 4.5% by volume;
(c) in the case of a motor cycle registered on or after 1st October 1986, 4.5% by
volume; or
(d) in the case of a motor cycle registered before 1st October 1986, 6% by volume.
4. Every diesel driven motor vehicle that is in use shall not emit smoke of opacity greater
than 50 Hartridge Smoke Units (HSU) or its equivalent.
5. Every motor vehicle (whether petrol driven or diesel driven) must not emit any visible
smoke or vapour when in use.
SIXTH SCHEDULE
Regulations 7 and 20 (1)
STANDARD FOR NOISE EMISSION FOR IN-USE MOTOR VEHICLES
1. Motor vehicles of the following classes shall not emit any noise exceeding the following
levels specified when measured 0.5 metre from the open end of the exhaust pipe of the
vehicle:
Class of vehicle Noise level
in Decibels (A)
(a) Motor cycle (with or without a side car), scooter or
trivan
106
(b) Motor car, taxi or station wagon (whether for
passengers only or for goods and passengers)
105
Page 13 of 14
2. For the purposes of paragraph 1, “light goods vehicle” means —
(a) a goods vehicle the maximum laden weight of which does not exceed 3 metric tons
and which is registered using a certificate of entitlement issued before 1st July 1999;
or
(b) a goods vehicle the maximum laden weight of which does not exceed 3.5 metric
tons and which is registered using a certificate of entitlement issued on or after 1st July
1999,
but does not include any construction equipment, engineering plant, recovery vehicle,
vehicle used as a mobile canteen or mobile bank and any vehicle used for a specific purpose
such as a horse float.
[G.N. Nos.S 291/99; S 554/2000;S 238/2003; S 570/2005;S 158/2006]
This legislation was last amended on 01 Jan 2009
(c) Light goods vehicle 109
(d) Goods vehicle or bus with engine capacity not
exceeding 10,000 cubic centimetres
113
(e) Goods vehicle or bus with an engine capacity exceeding
10,000 cubic centimetres
115.
Page 14 of 14

Refer to the Status Online for the latest update

ENVIRONMENTAL PROTECTION AND MANAGEMENT ACT (CHAPTER 94A, SECTION 77)


ENVIRONMENTAL PROTECTION AND MANAGEMENT ACT
(CHAPTER 94A, SECTION 77)
ENVIRONMENTAL PROTECTION AND MANAGEMENT (AIR IMPURITIES)
REGULATIONS

[1st January 2001]
Arrangement of Provisions
1 Citation
2 Dark smoke
3 Methods of smoke indication
4 Standards of concentration of air impurities
5 Testing procedures and requirements
6 Exemption
7 Penalties
THE SCHEDULE
STANDARDS OF CONCENTRATION OF AIR IMPURITIES
Actual Provisions
Citation
1. These Regulations may be cited as the Environmental Protection and Management (Air
Impurities) Regulations.
Dark smoke
2. —(1) For the purposes of section 11 of the Act, dark smoke includes smoke of any colour which
appears to the Director-General or any authorised officer —
(a) to be darker than shade No. 1 on the Ringelmann Chart;
History
G.N. NO.S
595/2000
->
2002
REVISEDEDITION
->
RG8
2008
REVISED
EDITION
Page 1 of 7
(b) when observed or recorded with such instrument or device as the Director-General may
approve, to be darker than shade No. 1 on the Ringelmann Chart; or
(c) to be of such opacity as to cause obscuration to a degree equivalent to smoke darker than
shade No. 1 on the Ringelmann Chart.
(2) Section 11 of the Act shall not apply to the emission of dark smoke from any chimney where —
(a) the emission of dark smoke is for a duration of less than 5 minutes in any period of one
hour in a day; and
(b) the total number of emissions of dark smoke from that chimney does not exceed 3 times a
day.
Methods of smoke indication
3. —(1) Every occupier of any industrial or trade premises in or on which any industrial plant or
fuel burning equipment is situated shall, if required by the Director-General to do so, provide or
install such instrument, equipment or device in or on the premises in accordance with paragraphs
(2) and (3).
(2) The instrument, equipment or device referred to in paragraph (1) must be of such type and
installed in such manner as will enable any person in charge of the industrial plant or fuel burning
equipment to readily ascertain at all times and without leaving the boiler room, furnace room or
control room, whether smoke is being discharged from any chimney on the industrial or trade
premises.
(3) The instrument, equipment or device may include one or more of the following:
(a) a smoke density indicator, recorder and alarm which will provide adequate indication in
the boiler room, furnace room or control room of the density of smoke being discharged
from the chimney;
(b) a closed circuit television installation with the receiver located in the boiler room, furnace
room or control room; or
(c) any other instrument, equipment or device approved by the Director-General.
Standards of concentration of air impurities
4. —(1) For the purposes of section 12 of the Act, the standards of concentration of air impurities
that must be complied with in the conduct of any trade, industry or process or the operation of any
fuel burning equipment or industrial plant shall be those specified in the Schedule.
(2) The concentration of any substance specified in the first column of the Schedule shall be
determined in accordance with such method as may be specified by or is acceptable to the Director-
General.
Testing procedures and requirements
5. —(1) For the purposes of section 12 of the Act, the Director-General may specify in any
particular case, the point at which the concentration of air impurities shall be measured.
(2) The point at which the concentration of air impurities shall be measured may be situated at —
(a) the fixed point of emission of any air impurities;
(b) the final point of emission of any air impurities; or
Page 2 of 7
(c) any other point in or along any flue, duct or chimney located at a place in the premises
other than the final point of emission of air impurities.
(3) Every owner or occupier of any industrial or trade premises shall —
(a) carry out such tests with respect to the emission of air impurities from and the
consumption of fuel in or on the premises as may be required by the Director-General;
(b) keep a register of all such tests, specifying the date, nature and results of each test; and
(c) ensure that such register is available for inspection by the Director-General or any
authorised officer at all reasonable times.
(4) Subject to paragraph (5), the results of all tests conducted on boilers, furnaces and incinerators
with respect to the emission of air impurities shall be expressed on the basis of flue gas containing
12% by volume of carbon dioxide.
(5) The results of all tests conducted on waste incinerators with respect to the emission of dioxins
and furans shall be expressed on the basis of flue gas containing 11% by volume of oxygen.
(6) Every owner or occupier of any industrial or trade premises shall, for the purposes of enabling
the Director-General or any authorised officer to exercise his powers under the Act —
(a) provide the Director-General or the authorised officer with access to such premises, any
part thereof and any control equipment, fuel burning equipment, industrial plant or chimney
on such premises, at all reasonable times and as often as the Director-General or the
authorised officer considers necessary; and
(b) provide the Director-General or the authorised officer with such assistance and facilities
as may reasonably be required by the Director-General or the authorised officer.
(7) The assistance and facilities referred to in paragraph (6) (b) shall include, in respect of each
chimney serving the premises, the provision of one or more inspection opening or openings and
such means of safe and adequate access for the purposes of enabling an authorised officer to
inspect and obtain representative samples of any discharge from the chimney.
(8) In this regulation —
"boiler" means any device in which water or other liquid is heated by any combustible
material;
"furnace" means any chamber, other than a boiler in which combustion takes place;
"incinerator" means any structure or part of a structure used in any trade, industry or process
to dispose of material by burning or heating with any form of energy;
"waste incinerator" means an incinerator which is used for the purposes of disposing of
municipal, industrial or hospital waste.
Exemption
6. —(1) Regulation 4 shall not apply to such industrial or trade premises and for such period
between 1st January 2001 to 31st December 2003 as the Director-General may determine.
(2) The Director-General may —
(a) require any industrial or trade premises referred to in paragraph (1) to comply with such
Page 3 of 7
other emission standards as he may specify; and
(b) if he considers it necessary, extend the period of exemption referred to in paragraph (1),
subject to such conditions as he may impose.
Penalties
7. —(1) Any person who contravenes regulation 3 or 5 (3) or (6) shall be guilty of an offence and
shall be liable —
(a) on the first conviction, to a fine not exceeding $10,000 and, in the case of a continuing
offence, to a further fine not exceeding $300 for every day or part thereof during which the
offence continues after conviction; and
(b) on the second or subsequent conviction to a fine not exceeding $20,000 and, in the case
of a continuing offence, to a further fine not exceeding $500 for every day or part thereof
during which the offence continues after conviction.
(2) Any offence under these Regulations may be compounded by the Director-General in
accordance with section 72 (1) of the Act.
THE SCHEDULE
Regulation 4
STANDARDS OF CONCENTRATION OF AIR IMPURITIES
1. The concentration of any substance specified in the first column emitted from any
operation in any trade, industry, process, fuel burning equipment or industrial plant specified
in the second column shall not at any point before admixture with air, smoke or other gases,
exceed the limits specified in the third column.
Substance
Trade, industry, process,
fuel burning equipment
or industrial plant
Emission limits
(a) Ammonia and ammonium
compounds
Any trade, industry or
process
76 mg/Nm3 expressed as
ammonia
(b) Antimony and its
compounds
Any trade, industry or
process
5 mg/Nm3 expressed as
antimony
(c) Arsenic and its
compounds
Any trade, industry or
process
1 mg/Nm3 expressed as
arsenic
(d) Benzene Any trade, industry or
process
5 mg/Nm3
(e) Cadmium and its
compounds
Any trade, industry or
process
3 mg/Nm3 expressed as
cadmium
(f) Carbon monoxide Any trade, industry,
process or fuel burning
equipment
625 mg/Nm3
(g) Chlorine Any trade, industry or
process
32 mg/Nm3
Page 4 of 7
(h) Copper and its
compounds
Any trade, industry or
process
5 mg/Nm3 expressed as
copper
(i) Dioxins and furans Any waste incinerator (i) 1.0 ng TEQ/Nm3 for
waste incinerators
commissioned before 1st
January 2001
(ii) 0.1 ng TEQ/Nm3 for
waste incinerators
commissioned on or after 1st
January 2001
(j) Ethylene oxide Any trade, industry or
process
5 mg/Nm3
(k) Fluorine, hydrofluoric
acid or inorganic fluorine
compounds
Any trade, industry or
process
50 mg/Nm3 expressed as
hydrofluoric acid
(l) Formaldehyde Any trade, industry or
process
20 mg/Nm3
(m) Hydrogen chloride Any trade, industry or
process
200 mg/Nm3
(n) Hydrogen sulphide Any trade, industry or
process
7.6 mg/Nm3
(o) Lead and its compounds Any trade, industry or
process
5 mg/Nm3 expressed as lead
(p) Mercury and its
compounds
Any trade, industry or
process
3 mg/Nm3 expressed as
mercury
(q) Oxides of nitrogen Any trade, industry,
process or fuel burning
equipment
700 mg/Nm3 expressed as
nitrogen dioxide
(r) Particulate substances
including smoke, soot, dust,
ash, fly-ash, cinders, cement,
lime, alumina, grit and other
solid particles of any kind
Any trade, industry,
process, fuel burning
equipment or industrial
plant (except for any cold
blast foundry cupolas)
(i) 100 mg/Nm 3 ; or
(ii) where there is more than
one flue, duct or chimney in
any scheduled premises, the
total mass of the particulate
emissions from all of such
flue, duct or chimney divided
by the total volume of such
emissions shall not exceed
100 mg/Nm3 and the
particulate emissions from
each of such flue, duct or
chimney shall not exceed 200
mg/Nm3 at any point in time.
(s) Styrene monomer Any trade, industry or
process
100 mg/Nm3
(t) Sulphur dioxide (noncombustion
sources)
Any trade, industry or
process
500 mg/Nm3
(u) Sulphur trioxide and other The manufacture of
Page 5 of 7
2. In this Schedule —
"dioxins and furans" means polychlorinated dibenzo-p-dioxins (PCDD) and
polychlorinated dibenzofurans (PCDF), being tricyclic and aromatic compounds
formed by 2 benzene rings which are connected by 2 oxygen atoms in PCDD and by
one oxygen atom in PCDF and the hydrogen atoms of which may be replaced by up to
8 chlorine atoms;
"mg" means milligram;
"ng" means nanogram;
"Nm3" means normal cubic metre, being that amount of gas which when dry, occupies
a cubic metre at a temperature of 0 degree Centigrade and at an absolute pressure of
760 millimetres of mercury;
"TEF" means Toxic Equivalency Factor;
"TEQ" means Toxic Equivalent, being the sum total of the concentrations of each of
the dioxin and furan compounds specified in the first column of the table below
multiplied by their corresponding TEF specified in the second column thereof:
acid gases sulphuric acid 500 mg/Nm3 expressed as
sulphur trioxide. Effluent
gases shall be free from
persistent mist.
(v) Sulphur trioxide or
sulphuric acid mist
Any trade, industry or
process, other than any
combustion process and
any plant involving the
manufacture of sulphuric
acid
100 mg/Nm3 expressed as
sulphur trioxide
(w) Vinyl chloride monomer Any trade, industry or
process
20 mg/Nm3
Dioxin/Furan TEF
2,3,7,8-Tetrachlorodibenzo-p-dioxin 1
1,2,3,7,8-Pentachlorodibenzo-p-dioxin 1
1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin 0.1
1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin 0.1
1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin 0.1
1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin 0.01
Octachlorodibenzo-p-dioxin 0.0001
2,3,7,8-Tetrachlorodibenzofuran 0.1
1,2,3,7,8-Pentachlorodibenzofuran 0.05
2,3,4,7,8-Pentachlorodibenzofuran 0.5
1,2,3,4,7,8-Hexachlorodibenzofuran 0.1
1,2,3,6,7,8-Hexachlorodibenzofuran 0.1
1,2,3,7,8,9-Hexachlorodibenzofuran 0.1
2,3,4,6,7,8-Hexachlorodibenzofuran 0.1
Page 6 of 7
[G.N. Nos. S 595/2000;S 11/2001]
This legislation was last amended on 31 Jan 2008
1,2,3,4,6,7,8-Heptachlorodibenzofuran 0.01
1,2,3,4,7,8,9-Heptachlorodibenzofuran 0.01
Octachlorodibenzofuran 0.0001
Page 7 of 7

Refer to the statutes online for the latest update

Singapore Air Regulations and How Much You Know Them

Singapore Air Regulations and How Much You Know Them


Air Pollution

The Singapore National Environment Agency (NEA) regulates sources of air pollution, imposing minimum standards to ensure that emissions remain at acceptable levels to ensure that Singapore has clean and safe air. Emission standards are specified in the Environmental Protection and Management (Air Impurities) Regulations.

The main targets of NEA’s air pollution regulations are industrial operations, power generation plants and motor vehicles.

Sulphur Dioxide (SO2) Emission Inventory

One of the major pollutants in Singapore is sulphur dioxide (SO2). The sources of SO2 emissions in Singapore include refineries, power stations, other industries, shipping and other minor sources such as vehicles, airport and construction activities. The 2010 SO2 emission inventory which is developed based on extensive emissions data collected from various sources in 2007 are shown in the table below.

Sources
Emitters
SO2 Emissions (tonnes)
Contribution of SO2 Emissions
Refineries
Shell
28,278

51%
Singapore Refining Company
26,754
ExxonMobil
22,421
Power Stations
Power Seraya
14,194

 
Tuas Power
18,382
27%
 
Senoko Power
7,754

Shipping
-
28,026
18%
Other Industries
 
Sembcorp Utilities and Terminals
748




3%

ExxonMobil Petrochemical
722
Linde Syngas
546
Mitsui Phenol
436
Petrochemical Corporation of Singapore
208
Invista
3
Other Fuel Oil Users
1,300
Diesel Users
46
Motor Vehicles
Petrol Vehicles
891
1%
Diesel Vehicles
101
Total

150,810
100%
Industrial Emissions

The NEA’s Source Emission Test Scheme for industries requires industries to conduct source emission test on their own or engage accredited consultants to do so on their behalf. This helps industries to monitor their air emissions regularly and to take measures, to ensure compliance with the prescribed air emission standards.
Motor Vehicles

Motor vehicles are a major source of air pollution. To control the emissions generated by motor vehicles, NEA regulates the type and quality of fuel that can be used in Singapore, and also sets minimum exhaust emission standards for all vehicles.

NEA takes stringent enforcement actions against smoky vehicles on the roads. Regulation 19 of the Environmental Protection and Management (Vehicular Emissions) Regulations stipulates that it is an offence for any person to use or permit the use of any smoky vehicle on the road.

It is the responsibility of every owner of a vehicle to ensure that the vehicle is in good condition before using it on the road. Besides carrying out proper servicing and maintenance of the vehicle regularly, the driver must also not overload the vehicle or drag the engine of the vehicle while driving.

For 2-stroke motorcycles, the cause of white smoke emissions is usually due to addition of lubricating oil in excess of the amount specified in the vehicle manufacturer’s manual.


Impact of Termiticide on Water Quality


Impact of Termiticide on Water Quality

Organization should conduct an environmental initial review on all their activities, products or services with the objective of identifying what are the environmental aspects associated with their activities

The environmental aspect shall be undertaken by a team of cross functional employees lead by the nominated manage representative.

There are various methods available which an organization can use for the identifying of the organization environmental aspects and from there determine significant environmental aspects based on severity criteria.

The use of termiticide for soil treatment control can have adverse impacts on the environment which may include water pollution in event unapproved termiticide was used. For list of approved termiticide regulated by the Singapore Environment Agency

Here are some useful measures to help you prevent and control water pollution from the use of termiticide

 
 Measures To Prevent And Control Water Pollution From The Use Of Termiticide

1     Scope
This document sets out the minimum requirements for the prevention and control of water pollution from the use of termiticide. Pest control operator shall ensure that the requirements are complied with at all times.

2     Site Preparation
2.1   Determination of Ground Water Table
Test shall be carried out at site to determine ground water table. Soil treatment shall not be carried out if the ground water table is less than 0.5m below soil level. A pit of at least 0.5m depth shall be dug near the site where soil treatment is to be carried out to determine whether the ground water level is less or more than 0.5m from the ground. The ground water level measured from the ground level where soil treatment is to be carried out shall be the natural ground water level and not the artificially lowered level induced by dewatering.

2.2   Provision of Temporary Drainage
Temporary drainage of adequate capacity shall be provided around the whole area to be treated with an outlet at the lowest point. A sample sump shall be provided at the outlet drain for the monitoring of termiticide in the run-off.

2.3   Provision of Impervious Polyethylene Sheet
Impervious polyethylene sheet or its equivalent of sufficient quantity to cover the whole area to be treated shall be kept on site for stand-by use.

3     Chemical Preparation

3.1   Termiticide shall be prepared in accordance to the approved dosage.
3.2   Preparation of termiticide for application shall be carried out in such a manner that it would not be spilled/ discharged to the open drain or a public sewer.
3.3   Any wastewater contaminated with termiticide shall not be discharged into a septic tank, an open drain or the sewer. Such wastewater may be reused or disposed of properly by licensed toxic industrial waste collector.

4       Application Procedure

4.1    Pest control operator must ensure that the soil is not excessively wet (e.g. during or after rain) before carrying out the soil treatment. Soil treatment shall be carried out under good visibility condition.
4.2   Special care must be taken not to spray termiticide beyond the area to be treated.
4.3  Soil treatment and concreting shall be carried out on the same day.
4.4  Pest control operator shall not carry out soil treatment if it is likely to rain before the soil treatment is completed. However, if it rains during the course of soil treatment, measures must be taken to prevent the washing out of termiticide by rainwater.

5     Precautionary Measures

5.1  Every precaution shall be taken to prevent accidental spillage of termiticide. Spillage shall be mopped up with soil or other absorbent materials. The affected soil shall be added to the treated area or kept in plastic bags for disposal at the Ministry's dumping ground.
5.2  All safety and environmental requirements in the Material Safety Data Sheet (MSDS) shall be complied with. Pest control operator shall brief all his workers of these requirements and ensure they comply with the requirements in the MSDS.

Approved Termiticide For Local Use


Approved Termiticide For Local Use

Chlorpyrifos (to be prohibited for local use with effect from 1 Jul 2009)
Fenvalerate (Wazary 10 FL)
Fipronil (Agenda 10SC)
Imidacloprid (Premise 200 SC, Prothor 200 SC and Cheminova Couraze)
Termitox (Fipronil 5.0%)
Thiamethoxam (Optigard Termite Liquid)
or their equivalent

As an alternative to chemical soil treatment, developers and architects may wish to consider the suitability of using non-chemical termite management systems or physical termite barrier systems.
Please note that the above chemicals are controlled as hazardous substances under the Environmental Protection and Management Act. Pest control operators are required to apply for a Hazardous Substances Licence/ Permit to buy and use controlled hazardous substances. You may refer to the web page on HAZARDOUS SUBSTANCES CONTROL for more information.

NB: The local use of Chlordane for anti-termite soil treatment and its sale has been prohibited in Singapore since 1 Jan 1999.  The local use of Chlorpyrifos will be prohibited in Singapore with effect from 1 Jul 2009.

Soil Treatment Control In Singapore - How much you know them?

Soil Treatment Control In Singapore And How Much You Know About Them

1 Introduction

1.1 For the prevention and control of water pollution, only approved termiticide is allowed for used in soil treatment against termite.
1.2 Pest control operator is required to notify Pollution Control Department before soil treatment is carried out. Notification should be made as early as possible and not later than 3 working days from the date of the first soil treatment.
1.3 For pest control operator who is licensed/ permit holder, notification can be made on-line via NEA web site. Pest control operator who does not have licence/ permit will have to notify the Department by mail or fax.

2 Soil Treatment Notification
2.1 On-Line Notification
Notification can be made on-line via NEA website Pest control operator's Licence/ Permit No shall be the User ID to log on to the system.
2.2 Notification by Mail or Fax
Notification can also be submitted by mail to 40 Scotts Road #12-00, Environment Building, Singapore 228231 or by fax to 67319651 using the attached form with the pest control operator?s letterhead.
2.3 In the notification, the following information shall be provided:

  1. Address or lot number of the site with road name;
  2. Type of development i.e. HDB, JTC, Condo or Landed;
  3. Total area for treatment (in hectares or square meters);
  4. Type of termiticide to be used;
  5. Treatment schedule with date, time and area for treatment (in hectares or square meters);
  6. Pest control operator must confirm that he can comply with the requirements as stipulated in the document 'Measures To Prevent And Control Water Pollution From The Use Of Termiticide' and undertake to submit to Pollution Control Department a report, based on the format attached, upon completion of the soil treatment


Trade Effluent to meet the standards prior to discharge to public sewer, water course and controlled water course

ALLOWABLE LIMITS FOR TRADE EFFLUENT DISCHARGE TO SEWER/WATERCOURSE/CONTROLLED WATERCOURSE

Rules and Regulations


  Items Of Analysis Sewer Watercourse Controlled Watercourse
    (Units in milligram per litre or otherwise stated)
1 Temperature of discharge



Please refer to PUB's web page
45 °C 45 °C
2 Colour 7 Lovibond Units 7 Lovibond Units
3 pH Value 6 - 9 6 - 9
4 BOD (5 days at 20°C) 50 20
5 COD 100 60
6 Total Suspended Solids 50 30
7 Total Dissolved Solids - **(2000) 1000
8 Chloride
(as chloride ion)
- **(600) 250 **(400)
9 Sulphate
(as SO4)
- **(500) 200
10 Sulphide
(as sulphur)
0.2 0.2
11 Cyanide
(as CN)
0.1 0.1
12 Detergents (linear alkylate sulphonate as methylene blue active substances) 15 5
13 Grease and Oil 10 (Total)
10(Hydrocarbons)
1 (Total)
14 Arsenic 0.1 **(1) 0.01 **(0.05)
15 Barium 2 **(5) 1 **(5)
16 Tin - **(10) 5
17 Iron (as Fe) 10 **(20) 1
18 Beryllium - **(0.5) 0.5
19 Boron 5 0.5
20 Manganese 5 0.5
21 Phenolic Compounds (expressed as phenol) 0.2 Nil
22 *Cadmium 0.1 0.003 **(0.01)
23 *Chromium (trivalent and hexavalent) 1 0.05
24 *Copper 0.1 0.1
25 *Lead 0.1 0.1
26 *Mercury 0.05 0.001
27 *Nickel 1 0.1
28 *Selenium 0.5 0.01
29 *Silver 0.1 0.1
30 *Zinc 1 0.5
31 *Metals in Total 1 0.5
32 Chlorine (Free) 1 1
33 Phosphate
(as PO4)
5 2
34 Calcium
(as Ca)
- **(200) 150
35 Magnesium (as Mg) - **(200) 150
36 Nitrate
(as NO3)
- 20
NOTE:
* Where 2 or more of the metals listed in the table are present in the trade effluent, the total concentration of the metals shall not exceed 10 milligrams per litre.
**( ) Old limits before 1 May 2005. Existing industries have a grace period of 2 years to comply with new limits.
Controlled Watercourse means a watercourse from which potable water supplied by PUB under the Public Utilities Act is obtained but does not include a watercourse from which water is pumped into a main of the PUB.
The trade effluent discharged must not include:-
(1) Calcium carbide.
(2) Petroleum spirit or other inflammable solvents.
(3) Materials that may give rise to fire or explosion hazards.
(4) Materials that may be a hazard to human life, a public nuisance, injurious to health or otherwise objectionable.
(5) Refuse, garbage, sawdust, timber, or any solid matter.
(6) Pesticides, fungicides, insecticides, herbicide, rodenticide or fumigants.
(7) Radioactive material.
The trade effluent shall be analysed in accordance with the latest edition of Standard Methods for the Examination of Water and Wastewater published jointly by the American Water Works Association and the Water Pollution Control Federation of the United States.
 
   

Singapore Environmental Act & Regulations for Trade Effluent and Industrial Water


The Singapore National Environment Agency (NEA),  regulates water pollution and quality in Singapore's sewerage system, as well as inland water bodies and coastal areas. The control of soil pollution is also an important aspect in this regard, given that pollutants in the soil are likely to make their way into the water system as run-off or groundwater. Soil pollution control in Singapore primarily focuses on the use of approved pesticides to combat termites in soil. 

Currently, the public sewerage system serves all industrial estates and almost all residential premises in Singapore. All wastewater is required to be discharged into the public sewerage system. The provision, operation and maintenance of Singapore's sewerage system are governed by the Sewerage and Drainage Act (SDA). The treatment and discharge of industrial waste water into public sewers are regulated by the SDA and the Sewerage and Drainage (Trade Effluent) Regulations. The sewerage Act and Regulations are administered by PUB.

The discharge of waste water into open drains, canals and rivers is regulated by the Environmental Protection and Management Act (EPMA) and the Environmental Protection and Management (Trade Effluent) Regulations. The EPMA and its Regulations are administered by PCD.

Industrial wastewater must be treated to specified standards before being discharged into a sewer or watercourse (if the public sewer is not available). Additionally, industries generating large quantities of acidic effluent are required to install a pH monitoring and shut-off control system to prevent the discharge of acidic effluent into the public sewer. 

Industries may apply to PUB for permission to discharge their trade effluent containing biodegradable pollutants, as determined by their biochemical oxygen demand (BOD) and total suspended solids (TSS) loading exceeding the allowable standards, directly into the public sewers on payment of a tariff.

Inland and Coastal Waters

The water quality of both inland water bodies and coastal areas is regularly monitored. For inland water bodies, the parameters monitored include pH, dissolved oxygen, biochemical oxygen demand, total suspended solids, ammonia and sulphide. Coastal water samples are analysed for metals, total organic carbon, and other physical, chemical and bacteriological parameters.

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