Study on the Current Issues and Needs for Water Supply and Wastewater Management in Malaysia, Vol 2

Page 122

1. List of parameters for discharged wastewater according to Standard A&B Extracted from Enviromental Quality (Industrial Effluents) Regulations 2009 (PU (A) 434)

APPENDIX K2

FIFTH SCHEDULE [Paragraph 11 (1) (a)]

ACCEPTABLE CONDITIONS FOR DISCHARGE OF INDUSTRIAL EFFLUENT FOR MIXED EFFLUENT OF STANDARDS A AND B Parameter (1) (i)

Temperature

Unit (2)

B (4)

°C

40

40

(ii) (iii) (iv) (v) (vi) (vii) (viii) (ix) (x) (xi) (xii)

pH Value BOD5 at 20°C Suspended Solids Mercury Cadmium Chromium, Hexavalent Chromium, Trivalent Arsenic Cyanide Lead Copper

mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l

6.0-9.0 20 50 0.005 0.01 0.05 0.20 0.05 0.05 0.10 0.20

5.5-9.0 40 100 0.05 0.02 0.05 1.0 0.10 0.10 0.5 1.0

(xiii) (xiv) (xv) (xvi) (xvii) (xviii) (xix) (xx) (xxi) (xxii) (xxiii) (xxiv) (xxv) (xxvi) (xxvii) (xxviii) (xxix) (xxx)

Manganese Nickel Tin Zinc Boron Iron (Fe) Silver Aluminium Selenium Barium Flouride Formaldehyde Phenol Free Chlorine Sulphide Oil and Grease Ammoniacal Nitrogen Colour

mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l mg/l ADMI*

0.20 0.20 0.20 2.0 1.0 1.0 0.1 10 0.02 1.0 2.0 1.0 0.001 1.0 0.50 1.0 10 100

1.0 1.0 1.0 2.0 4.0 5.0 1.0 15 0.5 2.0 5.0 2.0 1.0 2.0 0.50 10 20 200

ADMI- American Dye Manufactures Institute

110

Standard A (3)

Study on the Current Issues and Needs for Water Supply and Wastewater Management in Malaysia


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Study on the Current Issues and Needs for Water Supply and Wastewater Management in Malaysia, Vol 2 by Academy of Sciences Malaysia - Issuu