Sewerage and Drainage (Trade Effluent) (Amendment) Regulations 2006

No. S 444

Sewerage and Drainage Act

(Chapter 294)

Sewerage and Drainage (Trade Effluent) (Amendment) Regulations 2006

In exercise of the powers conferred by section 74(1) of the Sewerage and Drainage Act, the Public Utilities Board, with the approval of the Minister for the Environment and Water Resources, hereby makes the following Regulations:

Citation and commencement

1. These Regulations may be cited as the Sewerage and Drainage (Trade Effluent) (Amendment) Regulations 2006 and shall come into operation on 1st August 2006.

Amendment of regulation 2

2. Regulation 2 of the Sewerage and Drainage (Trade Effluent) Regulations (Rg 5) (referred to in these Regulations as the principal Regulations) is amended —

(a)

by inserting, immediately before the definition of “grease trap”, the following definition:

“ “blood waste” includes human blood, animal blood and any fluid, matter or material which is contaminated with blood;”; and

(b)

by inserting, immediately after the definition of “grease trap”, the following definitions:

“ “infectious disease” means any disease —

(a)	specified in the First Schedule to the Infectious Diseases Act (Cap. 137); or
(b)	which is caused, or is suspected to be caused, by a micro-organism or any agent of disease and is capable of transmission by any means to human beings or animals;

“infectious waste” means any waste which contains or may produce pathogens of an infectious disease and includes —

(a)

cultures and stocks of agents of the infectious disease from a laboratory;

(b)

in relation to a person who has been diagnosed as having or suspected to have the infectious disease, or who has died whilst being diagnosed as having or suspected to have the infectious disease —

(i)	any waste from the person or the body of the person, as the case may be;
(ii)	any waste from a surgery performed on the person or autopsy performed on the body of the person, as the case may be; and
(iii)	any fluid, matter or material that has come into contact with the person or the body of the person, as the case may be; and

(c)

in relation to an animal which is inoculated with an agent of the infectious disease, or which has been diagnosed as having or suspected to have the infectious disease, or which has died whilst being diagnosed as having or suspected to have the infectious disease —

(i)	any waste from the animal or the body of the animal, as the case may be;
(ii)	any waste from a surgery performed on the animal or autopsy performed on the body of the animal, as the case may be; and
(iii)	any fluid, matter or material that has come into contact with the animal or the body of the animal, as the case may be;”.

Amendment of regulation 3

3. Regulation 3 (2) of the principal Regulations is amended by deleting the words “section 17 (4)” and substituting the words “section 16 (4)”.

Amendment of regulation 4

4. Regulation 4 (1) of the principal Regulations is amended by deleting the words “section 17 (1)” and substituting the words “section 16 (1)”.

Amendment of regulation 5

5. Regulation 5 of the principal Regulations is amended —

(a)

by deleting the word “flow-meters” and substituting the words “measuring devices”;

(b)

by renumbering the regulation as paragraph (1) of that regulation, and by inserting immediately thereafter the following paragraph:

“(2) Any person who discharges trade effluent into any sewerage system shall install a pre-treatment plant if the Board so requires and shall —

(a)	use or operate the plant to treat trade effluent before discharging the trade effluent into the sewerage system; and
(b)	maintain the plant in an efficient condition at all times.”; and

(c)

by deleting the regulation heading and substituting the following regulation heading:

“Pre-treatment plant, monitoring and control devices, etc.”.

Amendment of regulation 9

6. Regulation 9 of the principal Regulations is amended —

(a)

by deleting paragraph (a) and substituting the following paragraph:

“(a)	any toxic industrial waste specified in the first column of the Schedule to the Environmental Public Health (Toxic Industrial Waste) Regulations (Cap. 95, Rg 11);”;

(b)

by deleting the word “solvent” in paragraph (c) and substituting the word “substance”;

(c)

by deleting paragraph (d) and substituting the following paragraph:

“(d)	any organic compound specified in the First Schedule;”;

(d)

by deleting paragraph (j) and substituting the following paragraph:

“(j)

any substance of a nature or quantity which is likely, either alone, in combination with or by interaction with another substance —

(i)

to cause a fire or an explosion in the public sewer or a sewerage system to which the public sewer is connected;

(ii)

to cause damage to the public sewer or a sewerage system to which the public sewer is connected; or

(iii)

to interfere with —

(A)	the proper working of a sewerage system to which the public sewer is connected, or any facility, machinery or equipment related or connected to the sewerage system;
(B)	the proper working of any facility, machinery or equipment which treats sewage from the public sewer for reuse;
(C)	any process of treating trade effluent or other waste or refuse from the public sewer; or
(D)	any process of treating sewage from the public sewer for reuse;”; and

(e)

by deleting the full-stop at the end of paragraph (k) and substituting a semi-colon, and by inserting immediately thereafter the following paragraphs:

“(l)	blood waste;
(m)	infectious waste.”.

Amendment of regulation 10

7. Regulation 10 (1) of the principal Regulations is amended —

(a)

by deleting the words “First or Second Schedule” in sub-paragraph (a) and substituting the words “Second or Third Schedule”;

(b)

by deleting the word “or” at the end of sub-paragraph (b);

(c)

by inserting, immediately after the word “regulation” in sub-paragraph (c), the words “and regulation 11”; and

(d)

by deleting the full-stop at the end of sub-paragraph (c) and substituting the word “; or”, and by inserting immediately thereafter the following sub-paragraph:

“(d)	have Total Suspended Solids (referred to in this regulation and regulation 11 as TSS) greater than 400 milligrams per litre of the trade effluent.”.

Amendment of regulation 11

8. Regulation 11 of the principal Regulations is amended —

(a)

by deleting the words “Total Suspended Solids (referred to in this regulations as TSS)” in paragraph (1) and substituting the word “TSS”;

(b)

by inserting, immediately after the words “per litre of the trade effluent” in paragraph (1), the words “or COD greater than 600 milligrams per litre of the trade effluent”;

(c)

by deleting paragraph (2) and substituting the following paragraph:

“(2) No person shall discharge into any public sewer trade effluent containing —

(a)	BOD greater than 6,000 milligrams per litre of the trade effluent;
(b)	TSS greater than 6,000 milligrams per litre of the trade effluent; or
(c)	COD greater than 10,000 milligrams per litre of the trade effluent or 3 times the concentration of BOD in the trade effluent, whichever is the lower.”; and

(d)

by deleting the words “Third Schedule” in paragraph (5)(a) and substituting the words “Fourth Schedule”.

Amendment of regulation 12

9. Regulation 12 of the principal Regulations is amended —

(a)

by inserting, immediately after the words “public sewer”, the words “or any drain-line or sewer to which the public sewer is connected”;

(b)

by deleting the words “Pollution Control” and substituting the word “Environment”;

(c)

by renumbering the regulation as paragraph (1) of that regulation, and by inserting immediately thereafter the following paragraph:

“(2) Trade effluent samples required by the Board shall be collected from any sampling test point or inspection chamber installed under regulation 5 (1), or any drain-line or sewer to which a public sewer is connected, as determined by the Board.”; and

(d)

by deleting the regulation heading and substituting the following regulation heading:

“Method of analysis and collection of samples”.

Deletion of regulation 15

10. Regulation 15 of the principal Regulations is deleted.

Miscellaneous amendments

11. The principal Regulations are amended —

(a)

by deleting the word “Director” wherever it appears in the following provisions and substituting in each case the word “Board”:

Regulations 3 (1), 4(1) to (5), 6(1) and (2), 7, 8(1) and (5), 10(2) and (3), 11(1), (3), (4) and (5), 12 and 13(2); and

(b)

by deleting the word “he” in regulations 4 (3) and 11(4) and substituting in each case the word “it”.

New First Schedule

12. The principal Regulations are amended by inserting, immediately after regulation 15, the following Schedule:

“FIRST SCHEDULE

Regulation 9 (d)

List of Prohibited Organic Compounds

(1) Methylene Chloride

(2) Trichloroethylene

(3) 111-trichloroethane

(4) Perchloroethylene

(5) Tetra-chloromethane

(6) 112-Trichloroethane

(7) Toluene

(8) Styrene

(9) Methyl tert-butyl-ether

(10) Acetone

(11) Nonane

(12) Decane

(13) Tetrachloroethylene

(14) Ethylbenzene

(15) Xylene (o, m, p)

(16) Ethanol

(17) Hexane

(18) Heptane

(19) Octane

(20) 1,2,4-Trimethylbenzene

(21) IPA (Iso Propyl Alcohol)

(22) Furan

(23) THF (Tetrahydrofuran)

(24) DMF (N, N-Dimethylformamide)

(25) Benzene

(26) Turpentine

(27) Methanol

(28) Polybrominated Diphenyl Ether

(29) Isobutanol

(30) Methyl Ethyl Ketone

(31) Methyl Isobutyl Ketone

(32) Isopropyl ether

(33) Diethyl ether

(34) Dimethyl Sulphide

(35) Dimethyl Sulphoxide”.

Amendment of First Schedule

13. The existing First Schedule to the principal Regulations is amended —

(a)

by deleting the word “FIRST” in the heading and substituting the word “SECOND”; and

(b)

by inserting, immediately after item (17), the following item:

“

(18) Flouride (expressed as fluoride ion)

”.

Renaming of Second Schedule

14. The principal Regulations are amended by renaming the existing Second Schedule as Third Schedule.

Amendment of Third Schedule

15. The existing Third Schedule to the principal Regulations is amended —

(a)

by deleting the word “THIRD” in the heading and substituting the word “FOURTH”; and

(b)

by deleting the full-stop at the end of item (18) and by inserting immediately thereafter the following items:

“

(19) Exceeding 4,001 but not exceeding 4,200

399

285

(20) Exceeding 4,201 but not exceeding 4,400

420

300

(21) Exceeding 4,401 but not exceeding 4,600

441

315

(22) Exceeding 4,601 but not exceeding 4,800

462

330

(23) Exceeding 4,801 but not exceeding 5,000

483

345

(24) Exceeding 5,001 but not exceeding 5,200

504

360

(25) Exceeding 5,201 but not exceeding 5,400

525

375

(26) Exceeding 5,401 but not exceeding 5,600

546

390

(27) Exceeding 5,601 but not exceeding 5,800

567

405

(28) Exceeding 5,801 but not exceeding 6,000

588

420.

”.

Made this 25th day of July 2006.

TAN GEE PAW

Chairman,
Public Utilities Board,
Singapore.

[AD/00301.1; AG/LEG/SL/294/2002/1 Vol. 2]

(To be presented to Parliament under section 74(2) of the Sewerage and Drainage Act).

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