U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications

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Table A25. National Institute of Standards and Technology (NIST) reference tissue(Mytilus edulis).
Concentrations, ng/g wet weight, of chlorinated analytes in NIST Standard Reference Material Control Tissue SRM 1974.

								Analyzed SRM 1974
								(n= 15)
Chlorinated analytes	Sample no. :	59-285	59-294	59-407	59-441	59-595	59-727	Mean	RSD
hexachlorobenzene		nd	nd	0.5	0.3	nd	nd	1	120
lindane (gamma-BHC)		nd	nd	0.1	0.1	0.3	nd	0.9	0
heptachlor		nd	nd	nd	nd	0.2	nd	1	0
aldrin		nd	nd	3	3	3	nd	2	95
heptachlor epoxide		0.8	nd	nd	0.6	0.2	nd	0.8	18
alpha-chlordane		2	4	3	3	4	3	3	28
trans-nonachlor		2	3	2	2	3	3	2	31
dieldrin		3	4	0.5	2	2	1	3	70
mirex		nd	nd	nd	nd	0.2	nd	0.2	45
o,p'-DDE		2	2	1	2	2	2	2	33
p,p'-DDE		4	7	4	4	7	7	5	23
o,p'-DDD		2	2	1	1	3	2	2	34
p,p'-DDD		5	10	3	4	8	6	5	38
o,p'-DDT		0.9	1	0.2	0.9	1	1	0.9	53
p,p'-DDT		nd	0.5	0.2	0.3	0.4	nd	0.6	100
trichlorobiphenyls		20	28	21	19	28	19	21	31
tetrachlorobiphenyls		170	210	150	140	220	170	170	18
pentachlorobiphenyls		110	140	100	100	160	120	120	20
hexachlorobiphenyls		42	48	47	44	64	61	47	23
heptachlorobiphenyls		7	7	10	9	16	11	9	38
octachlorobiphenyls		nd	nd	0.7	0.3	0.3	nd	0.7	120
nonachlorobiphenyls		nd	0.2	0.4	0.8	0.2	nd	0.4	76
decachlorobiphenyl		nd	nd	nd	0.2	0.2	nd	0.9	110
sample weight, grams		5.01	5.10	3.01	2.99	3.03	3.04	-	-

Table A26. National Institute of Standards and Technology (NIST) reference tissue(Mytilus edulis).
Concentrations, ng/g wet weight, of individual polychlorinated biphenyl (PCB) isomers in NIST Standard Reference Material Control Tissue SRM 1974.

								Analyzed SRM 1974
								(n= 15)
Individual PCB Isomers	Sample no. :	59-285	59-294	59-407	59-441	59-595	59-727	Mean	RSD
2,2',5-trichlorobiphenyl (no. 18) *		3	4	5	4	5	5	4	30
2,4,4'-trichlorobiphenyl (no. 28)		19	25	18	17	55	16	19	35
2,2',3,5'-tetrachlorobiphenyl (no. 44)		10	13	10	9	14	12	10	20
2,2',5,5'-tetrachlorobiphenyl (no. 52)		15	18	15	14	15	17	16	15
2,3',4,4'-tetrachlorobiphenyl (no. 66)		23	29	22	21	54	18	24	18
2,2',4,5,5'-pentachlorobiphenyl (no. 101)		16	18	16	16	20	20	18	22
2,3,3'4,4'-pentachlorobiphenyl (no. 105)		5	7	4	4	10	6	7	110
2,3',4,4',5-pentachlorobiphenyl (no. 118)		15	18	15	14	16	19	16	19
2,2',3,3',4,4'-hexachlorobiphenyl (no. 128)		2	3	2	2	5	3	2	32
2,2',3,4,4',5'-hexachlorobiphenyl (no. 138)		14	17	15	15	18	19	16	21
2,2',4,4',5,5'-hexachlorobiphenyl (no. 153)		19	20	20	19	17	27	20	22
2,2',3,3',4,4',5-heptachlorobiphenyl (no. 170)		0.6	0.8	0.7	0.7	2	nd	0.7	36
2,2',3,4,4',5,5'-heptachlorobiphenyl (no. 180)		1	2	2	2	3	3	2	43
2,2',3,4',5,5',6-heptachlorobiphenyl (no. 187)		3	3	4	4	4	6	4	25
2,2',3,3',4,4',5,6-octachlorobiphenyl (no. 195)		nd	nd	0.4	0.3	0.5	nd	0.5	99
2,2',3,3',4,4',5,5',6-nonachlorobiphenyl (no. 206)		nd	0.2	0.4	0.8	0.2	nd	0.4	76
2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl (no. 209)		nd	nd	nd	0.2	0.1	nd	0.9	110

* The accepted numbering system for PCB isomers as developed by Ballschmiter and Zell (1980).