Table 2.

Initial and final concentration and half-life of elimination in serum for PFOS, PFHS, and PFOA (ng/mL) by subject number.

	PFOS					PFHS					PFOA
			Half-life					Half-life					Half-life
Subject no.	Initial conc.	Final conc.	Days	SE	Years	Initial conc.	Final conc.	Days	SE	Years	Initial conc.	Final conc.	Days	SE	Years
1	145	70	1,598	203	4.4	63	27	1,440	336	3.9	74	26	1,297	86	3.6
2	156	37	885	38	2.4	16	10	798	208	2.2	72	17	830	67	2.3
3	218	82	1,411	152	3.9	58	29	4,373	4,387	12.0	490	129	1,031	63	2.8
4	258	74	1,124	65	3.0	86	37	1,971	436	5.4	142	51	1,314	151	3.6
5	259	148	2,304	265	6.3	157	110	3,508	789	9.6	1,077	404	1,205	66	3.3
6	323	129	1,273	141	3.5	647	424	2,284	463	6.3	430	108	858	49	2.3
7	443	242	1,792	203	4.9	114	86	4,458	1,599	12.2	1,622	577	1,221	80	3.3
8	477	187	1,436	57	3.9	193	113	2,347	245	6.4	306	188	2,518	195	6.9
9	545	424	2,761	749	7.6	54	48	5,329	2,978	14.6	254	150	1,401	168	3.8
10	551	207	1,387	65	3.8	191	96	1,923	186	5.3	131	45	1,107	107	3.0
11	572	296	1,961	121	5.4	60	27	1,878	260	5.1	247	104	1,551	87	4.2
12	617	226	1,163	64	3.2	302	160	1,892	253	5.2	1,180	145	561	37	1.5
13	620	249	1,354	76	3.7	191	121	3,028	370	8.3	181	65	1,280	71	3.5
14	632	213	1,224	99	3.4	149	44	1,065	145	2.9	183	50	1,020	81	2.8
15	691	391	2,456	296	6.7	494	365	4,000	934	11.0	356	244	3,334	641	9.1
16	766	383	1,871	125	5.1	373	195	2,266	170	6.2	167	78	1,737	241	4.8
17	846	430	2,464	526	6.7	273	161	3,836	1,708	10.5	212	84	1,385	142	3.8
18	924	293	908	110	2.5	269	99	1,024	1,428	2.8	390	61	570	48	1.6
19	929	802	7,919	3,126	21.7	131	102	4,939	2,036	13.5	496	284	2,552	214	7.0
20	1,033	500	1,484	56	4.1	398	256	2,825	1,173	7.7	702	248	1,041	72	2.9
21	1,079	500	1,737	349	4.8	252	144	2,134	595	5.8	549	235	1,479	208	4.0
22	1,090	478	1,566	85	4.3	928	610	3,637	776	10.0	474	162	1,235	29	3.4
23	1,190	539	1,723	137	4.7	293	154	1,983	108	5.4	425	162	1,358	69	3.7
24	1,420	1,003	3,122	287	8.5	364	361	9,858	6,962	27.0	5,100	2,435	1,662	69	4.6
25	1,500	839	2,475	225	6.8	193	164	4,866	1,428	13.3	883	266	1,223	107	3.3
26	3,490	1,740	1,973	114	5.4	1,295	791	3,180	680	8.7	1,833	486	1,061	72	2.9

conc., concentration.