DoE Standards for Treated Waste Water at Bangladesh

Sl no.	Parameter	Unit	DoE Standard
1	Ammonical Nitrogen (as elementary N)	mg/l	50
2	Ammonia (as free ammonia)	mg/l	5
3	Arsenic (as)	mg/l	0.2
4	BOD5 at 20oC	mg/l	50
5	Boron	mg/l	2
6	Cadmium (as CD)	mg/l	0.5
7	Chloride	mg/l	600
8	Chromium (as total Cr)	mg/l	0.5
9	COD	mg/l	200
10	Chromium (as hexavalent Cr)	mg/l	0.1
11	Copper (as Cu)	mg/l	0.5
12	Dissolved Oxygen (DO)	mg/l	4.5 – 8
13	Electro-conductivity (EC)	micro mho/cm	1200
14	Total Dissolved Solids	mg/l	2100
15	Fluoride (as F)	mg/l	2
16	Sulfide (as S)	mg/l	1
17	Iron (as Fe)	mg/l	2
18	Total Kjeldahl Nitrogen (as N)	mg/l	100
19	Lead (as Pb)	mg/l	0.1
20	Manganese (as Mn)	mg/l	5
21	Mercury (as Hg)	mg/l	0.01
22	Oil and Grease	mg/l	10
23	Phenolic Compounds	mg/l	1.0
24	pH	mg/l	6 - 9
25	Total Suspended Solids (TSS)	mg/l	150
26	Temperature	Degree centigrade	40
27	Zinc	mg/l	5
28	Cyanide	mg/l	0.1