• Afif Sani

Standard A and Standard B of Malaysian Industrial Effluent Regulation




What is the Malaysian Industrial Effluent Regulation?

Industrial Effluent Regulation 2009 outlines the regulations that apply to any premises which discharge or release industrial effluent or mixed effluent onto or into any soil, or into any inland waters in Malaysia.


Visit our article on Industrial Effluent Regulation 2009 to learn more


What is Standard A & Standard B?

Standard A is applicable to discharge into any water within any catchment areas, and standard B is applicable to discharge into any other inland waters or Malaysian waters.


If your facility is nearby a river, you will most likely have to adhere to Standard A. If your facility is far from a river, you will most likely have to adhere to Standard B.

For Negeri Sembilan, all industrial effluent must adhere to Standard A regardless of location.


You can identify if your location follows standard A or B by looking at the table in the Environmental Quality Industrial Effluent Regulation 2009 document.


Download the full document of Industrial Effluent Regulation 2009 here:

Environmental_Quality_Industrial_Effluent_Regulations_2009_-_P.U.A_434-2009
.pdf
Download PDF • 7.64MB

You can also contact the Department of Environment to get further explanation.


Industrial Effluent Regulation 2009 Limits

The limits are as below:


Standard A

No

Parameter

Limit

1

Temperature

40 °C

2

pH Value

6.0-9.0

3

BOD 5 at 20°C

20 mg/L

4

COD

*see section below

5

Suspended Solids

50 mg/L

6

Mercury

0.005 mg/L

7

Cadmium

0.01 mg/L

8

Chromium, Hexavalent

0.05 mg/L

9

Chromium, Trivalent

0.20 mg/L

10

Arsenic

0.01 mg/L

11

Cyanide

0.05 mg/L

12

Lead

0.10 mg/L

13

Copper

0.20 mg/L

14

Manganese

0.20 mg/L

15

Nickel

0.20 mg/L

16

Tin

0.20 mg/L

17

Zinc

2.0 mg/L

18

Boron

1.0 mg/L

19

Iron (Fe)

1.0 mg/L

20

Silver

0.1 mg/L

21

Aluminium

10 mg/L

22

Selenium

0.02 mg/L

23

Barium

1.0 mg/L

24

Fluride

2.0 mg/L

25

Formaldehyde

1.0 mg/L

26

Phenol

0.001 mg/L

27

Free Chlorine

1.0 mg/L

28

Sulphide

0.50 mg/L

29

Oil and Grease

1.0 mg/L

30

Ammoniacal Nitrogen

10 mg/L

31

Colour

100 ADMI

Standard B

No

Paramater

Limit

1

Temperature

40°C

2

pH Value

5.5-9.0

3

BOD 5 at 20 °C

50 mg/L

4

COD

*See section below

5

Suspended Solids

100 mg/L

6

​Mercury

0.05 mg/L

7

Cadmium

0.02 mg/L

8

Chromium, Hexavalent

0.05 mg/L

9

Chromium, Trivalent

1.0 mg/L

10

Arsenic

0.1 mg/L

11

Cyanide

0.1 mg/L

12

Lead

0.5 mg/L

13

Copper

1.0 mg/L

14

Manganese

1.0 mg/L

15

Nickel

1.0 mg/L

16

Tin

1.0 mg/L

17

Zinc

2.0 mg/L

18

Boron

4.0 mg/L

19

Iron (Fe)

5.0 mg/L

20

Silver

1.0 mg/L

21

Aluminium

15.0 mg/L

22

Selenium

0.5 mg/L

23

Barium

2.0 mg/L

24

Fluoride

5.0 mg/L

25

Formaldehyde

2.0 mg/L

26

Phenol

1.0 mg/L

27

Free Chlorine

2.0 mg/L

28

Sulphide

0.50 mg/L

29

Oil and Grease

10 mg/L

30

Ammoniacal Nitrogen

20 mg/L

31

Colour

200 ADMI

Chemical Oxygen Demand (COD) Limits

COD limits are determined according to industry.

Trade/Industry

Standard A (mg/L)

Standard B (mg/L)

Pulp Mill

80

350

Paper Mill (recycled)

80

250

Pulp and Paper Mill

80

300

Textile Industry

80

250

Fermentation and Distillery

400

400

Other Industries

80

200

Feel free to contact us if you have any questions regarding monitoring of discharge of industrial effluent.

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