Table 8.

The result of COD Removal, ORP and bioassay test to determination of effluent toxicity in different Runs

Run	COD removal %	ORP (mv)	Residuals of diazinon (mg/L)	Rate of EC, NOEC
				ABR test	CFU test
1	94.50	333	2.275	EC50	EC49
2	96.00	330	2.320	EC55	EC56
3	94.40	325	2.462	EC62	EC59
4	95.30	322	2.585	EC65	EC56
5	96.00	339	1.863	EC40	EC37
6	95.70	337	1.906	EC42	EC38
7	93.90	338	1.763	EC41	EC35
8	92.80	327	2.446	EC58	EC53
9	94.00	341	1.709	EC37	EC33
10	92.80	331	2.437	EC55	EC50
11	92.10	–	7.169	EC100	EC100
12	88.90	–	9.044	EC100	EC100
13	93.50	–	5.683	EC100	EC100
14	90.00	–	8.702	EC100	EC100
15	96.90	349	1.075	EC22	EC19
16	96.00	340	1.720	EC39	EC35
17	93.80	350	1.075	EC20	EC18
18	91.50	340	1.720	EC40	EC37
19	93.50	–	5.142	EC100	EC100
20	92.00	–	6.987	EC100	EC100
21	93.80	–	5.142	EC100	EC100
22	92.00	–	6.985	EC100	EC100
23	93.20	–	4.434	EC100	EC100
24	85.00	–	7.523	EC100	EC100
25	93.00	–	4.430	EC100	EC100
26	94.00	301	4.305	EC98	EC96
27	99.20	360	0.839	NOEC	NOEC
28	94.50	–	8.396	EC100	EC100
29	92.40	–	4.674	EC100	EC100
30	96.50	335	2.050	EC44	EC43