Table 3.

Concentration (ng L⁻¹ ± 95%CI) of fluorochemical analytes in leachate from 6 landfill leachates (A-D) and a laboratory bioreactor.

Analyte	Site A	Site B	Site C	Site D-2	Site D-3	Site D-6	Laboratory Bioreactor
PFBA	1700 ± 63	170 ± 6	1400 ± 25	430 ± 34	250 ± 29	540 ± 48	63 ± 22
PFPA	1100 ± 170	120 ± 13	1500 ± 36	730 ± 36	500 ± 29	470 ± 34	460 ± 23
PFHxA	790 ± 50	270 ± 17	620 ± 14	360 ± 12	350 ± 21	430 ± 19	2200 ± 140
PFHpA	328 ± 21	100 ± 14	340 ± 15	170 ± 4.3	150 ± 10	170 ± 3.6	2800 ± 89
PFOA	490 ± 8	1000 ± 19	900 ± 10	380 ± 5.1	490 ± 31	720 ± 60	1100 ± 35
PFNA	23 ± 1.1	22 ± 4.1	28 ± 9.6	20 ± 2.1	19 ± 1.2	26 ± 3.1	140 ± 13
PFDA	15 ± 0.8	14 ± 1.9	23 ± 11	0.3 ± 0.8	11 ± 0.5	18 ± 1.4	64 ± 3.7
PFUnDA	0.4 ± 0.6	0	0.1 ± 0.3	0	9.5 ± 1.4	0.9 ± 2.5	0
PFDoDA	0.2 ± 0.7	6 ± 1.2	0.8 ± 0.4	0	0.7 ± 1.4	0.2 ± 0.7	8.7 ± 4.4
PFTrDA	0	0.4 ± 0.8	3 ± 1.7	0.2 ± 1.2	18 ± 2	0.7 ± 2.8	5 ± 10
PFTDA	0	1.2 ± 0.9	9 ± 6	2 ± 3	0.7 ± 1.7	13 ± 2.7	10 ± 20
FOUEA	1.5 ± 0.6	10 ± 1.2	0	1.1 ± 1.2	21 ± 2.2	3.2 ± 3	0
PFBS	750 ± 50	280 ± 13	810 ± 36	280 ± 12	390 ± 6.3	890 ± 100	2300 ± 130
PFHxS	700 ± 19	160 ± 8.2	430 ± 13	170 ± 7	200 ± 24	360 ± 110	120 ± 14
PFOS	160 ± 8.6	110 ± 7.5	97 ± 9.2	56 ± 2.5	91 ± 9.9	140 ± 8.9	104 ± 5
PFDS	5.3 ± 1.5	1.1 ± 0.7	0	0.8 ± 0.9	0	1.3 ± 1.2	16 ± 1.6
6:2 FtS	280 ± 11	370 ± 20	280 ± 6.8	29 ± 2.6	56 ± 13	270 ± 67	260 ± 21
8:2 FtS	30 ± 4	120 ± 12	70 ± 7.9	11 ± 1.6	26 ± 4.3	25 ± 1.8	210 ± 25
MeFBSA	1.9 ± 2.8	2.5 ± 1.7	3.2 ± 3.5	0	0.5 ± 1.6	2.4 ± 2.5	4.2 ± 4.7
MeFBSAA	440 ± 25	79 ± 11	440 ± 33	110 ± 12	58 ± 12	200 ± 14	810 ± 88
FOSA	1.3 ± 1.0	6.6 ± 0.2	0.2 ± 1.4	0	1.4 ± 1.5	0.5 ± 0.8	2.6 ± 1.9
FOSAA	0.7 ± 1.1	1.1 ±1.2	0.2 ± 1.5	0	0.9 ± 1.9	0	12 ± 1.6
MeFOSAA	110 ± 5	280 ± 14	290 ± 19	16 ± 0.4	23 ± 4.7	173 ± 7.1	43 ± 11
EtFOSAA	47 ± 5	480 ± 19	170 ± 24	38 ± 3.5	21 ± 0.7	140 ± 2.4	230 ± 11

ND = not detected