Waste water treatment

Investors shall meet regulations on standards of waste water discharged from factories in LJIP, as follows:

No	Parameters	Unit	Level 1	Level 2	Level 3	Level 4
1	Temperature	^oC	40	45	45	45
2	pH	-	5,5 up to 9	5 up to 9	5 up to 9	5 up to 9
3	Smell	-	Not unpleasant	Not unpleasant	Not unpleasant	Not unpleasant
4	Color, Co-Pt at pH=7		20	30	50	50
5	BOD5 (20oC)	mg/l	200	300	400	500
6	COD	mg/l	300	450	600	800
7	Suspended solid	mg/l	100	200	300	300
8	Asen	mg/l	0,05	0,08	0,1	0,1
9	Hg	mg/l	0,005	0,007	0,01	0,01
10	Lead	mg/l	0,1	0,3	0,5	0,5
11	Cadimi	mg/l	0,005	0,008	0,01	0,01
12	Chrome (VI)	mg/l	0,05	0,08	0,1	0,1
13	Chrome (III)	mg/l	0,2	0,6	1	1
14	Copper	mg/l	2	2	2	2
15	Zinc	mg/l	3	3	3	3
16	Niken	mg/l	0,2	0,4	0,5	0,5
17	Mangan	mg/l	0,5	0,7	1	1
18	Fe	mg/l	1	3	5	5
19	Tin	mg/l	0,2	0,6	1	1
20	Xianua	mg/l	0,07	0,09	0,1	0,1
21	Phenol	mg/l	0,1	0,1	0,1	0,1
22	Mineral Oil	mg/l	5	5	5	5
23	Vegetable Oil	mg/l	10	15	20	20
24	Chlorine residual	mg/l	1	1,5	2	2
25	PCBs	mg/l	0,003	0,007	0,01	0,01
26	Plant-protect chemical: Organic phosphorus	mg/l	0,3	0,7	1	1
27	Plant-protect chemical : Organic Chlorine	mg/l	0,1	0,1	0,1	0,1
28	Sunfua	mg/l	0,2	0,4	0,5	0,5
29	Florua	mg/l	5	7	10	10
30	Chlorine	mg/l	500	550	600	600
31	Amoni (as to Nitro)	mg/l	5	7	10	10
32	Total Nitro	mg/l	15	35	60	60
33	Total phosphor	mg/l	4	5	6	6
34	Coliform	MPN/100ml	3000	4000	5000	5000
35	Total activity of radioactive α	Bq/l	0,1	0,1	0,1	0,1
36	Total activity of radioactive β	Bq/l	1,0	1,0	1,0	1,0