Table 4.2.3.1 Calculated Chlorophenol Bioconcentration Factors.

line

congener	log Ko/w (table 2.2)	Ref. 378	* Ref. 109	Ref. 612	Ref. 610	Ref. 34	Geo. mean	Arith. mean
phenol	1.47	1.41	4.60	7.70	2.40	8.30	3.83	4.95
2-MCP	2.16	6.90	34.0	25.8	13.7	19.7	14.8	12.0
3-MCP	2.50	15.1	91.5	46.8	26.6	30.1	27.4	29.7
4-MCP	2.38	11.5	64.5	37.9	21.0	25.9	22.1	101.3
2,3-DCP	3.19	74.1	683	157	103	71.3	96.1	82.8
2,4-DCP	3.08	57.5	496	129	82.8	62.1	78.6	98.3
2,5-DCP	3.20	75.9	703	159	105	72.2	97.8	186
2,6-DCP	2.74	26.3	184	71.2	42.6	40.7	42.4	45.2
3,4-DCP	3.25	85.1	813	174	116	76.8	107	113
3,5-DCP	3.52	159	1790	279	196	108	175	186
2,3,4-TCP	3.80	302	4040	455	339	153	291	312
2,3,5-TCP	4.10	603	9670	769	610	222	501	551
2,3,6-TCP	3.88	363	5100	523	396	169	336	363
2,4,5-TCP	3.76	275	3590	424	313	145	270	289
2,4,6-TCP	3.86	347	4810	505	381	165	324	350
3,4,5-TCP	4.25	851	15000	1000	818	277	663	737
2,3,4,5-TTCP	4.95	4270	115000	3400	3220	641	2340	2878
2,3,4,6-TTCP	4.35	1070	20000	1190	994	303	787	889
2,3,5,6-TTCP	4.90	3800	99400	3120	2920	602	2137	2611
2,3,4,5,6-PCP	5.20	7590	238000	5270	5250	876	3683	4747

BC = biological concentration factor. P = Ko/w = octanol/water partition coefficient.
* The high values of the calculated BCF from Ref. 109, calculated for 12C and pH 7.0, are not included in the means which are thus based on four values.
Ref. 387. :log BCF = log P-1.32
Ref. 109. :log BCF = 1.265 log P-1.201
Ref. 612. :log BCF = 0.76 log P-0.23
Ref. 34. :log BCF = 0.542 log P+0.124
Ref. 610. :log BCF = 0.85 log P-0.70