Decreased sex ratio following maternal exposure to polychlorinated biphenyls from contaminated Great Lakes sport-caught fish: a retrospective cohort study.

Table 1 Limit of detection (LOD) and percentage of nondetects (ND) for 350 samples analyzed at the Wisconsin State Laboratory of Hygiene.

PCB congener (IUPAC*)	LOD (ng/mL)	% ND	PCB congener (IUPAC)	LOD (ng/mL)	% ND	PCB congener (IUPAC)	LOD (ng/mL)	% ND
#5/8	1.20	100	#56/60	0.35	100	#141	0.15	100
#6	0.65	100	#66/95	0.55	98.9	#146	0.20	80.3
#7/9	0.40	100	#70/76	0.25	100	#151	0.15	100
#15/17	060	100	#74	0.25	80.6	#167	0.25	99.4
#16/32	0.55	100	#77/110	0.25	100	#170/190	0.35	80.9
#18	0.35	100	#82	0.20	100	#171/202	0.15	96.0
#19	0.40	100	#84/92	0.55	100	#172/197	0.30	95.7
#22	0.50	100	#85^†	0.25	100	#174	0.20	100
#24/27	0.30	100	#87	0.20	100	#177	0.20	93.4
#26	0.25	100	#91	0.25	100	#178	0.35	96.6
#28/31	0.60	100	#97	0.15	100	#180	0.20	9.7
#33	0.25	100	#99	0.25	84.3	#182/187	0.10	39.3
#37/42	0.30	100	#101	0.30	100	#183	0.15	86.3
#40	0.30	100	#105/132/153	0.20	7.1	#185	0.15	100
#41/71/64	0.40	100	#118	0.20	57.3	#194	0.15	74.9
#44	0.30	100	#123/149	0.15	100	#195/208	0.10	92.3
#45	0.30	100	#128	0.25	100	#196/203	0.30	70.7
#46	0.40	100	#135/144	0.30	100	#199	0.15	99.7
#47/48	0.40	100	#136^†	0.30	100	#201	0.20	56.7
#49	0.25	100	#137/176	0.10	100	#206	0.15	91.5
#52	0.25	100	#138/163	0.25	10.8

* International Union of Pure and Applied Chemistry ^† Interference from contamination prevented determination of concentrations of these congeners in all but 1 sample. The one remaining sample was nondetectable for both congeners.

ISSN: 1476-069X