Table 2.
Concentration levels of 74 high-frequency exposures in human serum
| Compound | Detection frequency (%) | Concentration (ng/mL) | ||
|---|---|---|---|---|
| Total | Highest in 15 provinces | Geometric mean (95% CI) | Median | |
| alpha-hexachlorocyclohexane (HCH) | 19 | 57 | 0.0201 (0.0195, 0.0206) | <LOQ |
| beta-HCH | 89 | 100 | 0.313 (0.297, 0.330) | 0.306 |
| p,p’-dichlorodiphenyldichloroethane (DDD) | 37 | 88 | 0.0074 (0.0072, 0.0077) | <LOQ |
| p,p’-dichlorodiphenyldichloroethylene (DDE) | 98 | 100 | 1.91 (1.82, 2.00) | 2.210 |
| p,p’-dichlorodiphenyltrichloroethane (DDT) | 62 | 83 | 0.0451 (0.0436, 0.0467) | 0.037 |
| methoxychlor | 42 | 60 | 0.0273 (0.0266, 0.0281) | <LOQ |
| pentachlorobenzene | 26 | 53 | 0.0025 (0.0023, 0.0027) | <LOQ |
| hexachlorobenzene (HCB) | 87 | 100 | 0.308 (0.289, 0.328) | 0.515 |
| pentachlorophenol | 68 | 94 | 0.497 (0.471, 0.525) | 0.410 |
| mirex | 45 | 82 | 0.0176 (0.017, 0.0183) | <LOQ |
| dichlorvos | 39 | 84 | 0.0272 (0.0258, 0.0287) | <LOQ |
| dimethoate | 18 | 64 | 0.0545 (0.0529, 0.0563) | <LOQ |
| diazinon | 23 | 51 | 0.0343 (0.0333, 0.0354) | <LOQ |
| chlorpyrifos | 74 | 99 | 0.054 (0.0522, 0.0558) | 0.035 |
| triazophos | 19 | 59 | 0.0907 (0.0892, 0.0923) | <LOQ |
| mecarbam | 10 | 69 | 0.428 (0.420, 0.436) | <LOQ |
| 2,4-dichlorophenoxyacetic acid (2,4-D) | 37 | 59 | 0.0537 (0.0528, 0.0547) | <LOQ |
| iprodione | 53 | 79 | 0.0353 (0.0341, 0.0365) | 0.023 |
| triclocarban | 56 | 83 | 0.0185 (0.018, 0.019) | 0.014 |
| chlorothalonil | 41 | 86 | 0.115 (0.110, 0.120) | <LOQ |
| triclosan | 55 | 92 | 0.0515 (0.0498, 0.0532) | 0.033 |
| lufenuron | 26 | 84 | 0.0919 (0.0907, 0.0932) | <LOQ |
| fipronil sulfone | 100 | 100 | 0.278 (0.269, 0.288) | 0.271 |
| etofenprox | 73 | 93 | 0.167 (0.158, 0.176) | 0.174 |
| isoprocarb | 43 | 84 | 0.141 (0.137, 0.145) | <LOQ |
| Indole-3-butyric acid (IBA) | 95 | 99 | 2.14 (2.10, 2.19) | 2.190 |
| cortisone | 99 | 100 | 14.56 (14.34, 14.78) | 15.880 |
| cortisol | 98 | 100 | 83.01 (81.40, 84.64) | 93.000 |
| cyclamic acid | 90 | 96 | 0.762 (0.714, 0.814) | 0.679 |
| acesulfame | 65 | 88 | 0.346 (0.325, 0.369) | 0.170 |
| acenaphthylene | 37 | 59 | 0.0086 (0.0078, 0.0095) | <LOQ |
| fluorene | 48 | 75 | 0.0357 (0.0316, 0.0402) | <LOQ |
| anthracene | 44 | 63 | 0.0336 (0.0311, 0.0364) | <LOQ |
| acenaphthene | 39 | 100 | 0.022 (0.0203, 0.0238) | <LOQ |
| phenanthrene | 36 | 100 | 0.111 (0.103, 0.119) | <LOQ |
| benzo (a) anthracene | 100 | 93 | 0.0185 (0.0178, 0.0191) | 0.022 |
| chrysene | 82 | 98 | 0.0134 (0.0128, 0.014) | 0.101 |
| fluoranthene | 32 | 91 | 0.0146 (0.0138, 0.0153) | <LOQ |
| pyrene | 97 | 100 | 0.037 (0.0334, 0.0409) | 1.010 |
| benzo[b]fluoranthene | 69 | 93 | 0.0202 (0.0186, 0.0219) | 0.0089 |
| benzo[k]fluoranthene | 47 | 70 | 0.0123 (0.0116, 0.013) | <LOQ |
| benzo[a]pyrene | 55 | 88 | 0.147 (0.135, 0.160) | 0.0077 |
| PCB-77 | 8 | 54 | 0.0078 (0.0077, 0.0079) | <LOQ |
| PCB-105 | 13 | 56 | 0.0042 (0.0041, 0.0043) | <LOQ |
| PCB-114 | 13 | 56 | 0.0081 (0.008, 0.0082) | <LOQ |
| PCB-118 | 24 | 51 | 0.0096 (0.0094, 0.0098) | <LOQ |
| PCB-126 | 24 | 64 | 0.0052 (0.0051, 0.0054) | <LOQ |
| PCB-138 | 50 | 74 | 0.0095 (0.0092, 0.0099) | 0.0052 |
| PCB-153 | 48 | 79 | 0.0092 (0.0089, 0.0095) | <LOQ |
| PCB-156 | 37 | 58 | 0.0111 (0.0109, 0.0113) | <LOQ |
| PCB-167 | 11 | 56 | 0.0081 (0.008, 0.0082) | <LOQ |
| PCB-169 | 19 | 55 | 0.005 (0.0049, 0.0052) | <LOQ |
| PCB-180 | 32 | 59 | 0.0113 (0.011, 0.0116) | <LOQ |
| PCB-183 | 17 | 52 | 0.0086 (0.0084, 0.0087) | <LOQ |
| perfluoro-n-pentanoic acid (PFPeA) | 98 | 99 | 1.10 (1.07, 1.12) | 1.210 |
| perfluorooctanoic acid (PFOA) | 100 | 100 | 3.99 (3.87, 4.12) | 3.260 |
| perfluorononanoic acid (PFNA) | 98 | 100 | 0.813 (0.786, 0.84) | 0.873 |
| perfluorodecanoic acid (PFDA) | 98 | 100 | 0.723 (0.698, 0.75) | 0.737 |
| perfluoroundecanoic acid (PFUnDA) | 97 | 100 | 0.514 (0.496, 0.532) | 0.561 |
| perfluorododecanoic acid (PFDoDA) | 83 | 98 | 0.0512 (0.049, 0.0534) | 0.068 |
| perfluorotridecanoic acid (PFTrDA) | 83 | 98 | 0.0789 (0.0759, 0.0821) | 0.095 |
| perfluorohexanesulfonate (PFHxS) | 90 | 100 | 0.387 (0.373, 0.401) | 0.406 |
| perfluoroheptanesulfonic acid (PFHpS) | 99 | 100 | 0.102 (0.0996, 0.105) | 0.102 |
| perfluorooctanesulfonate (PFOS) | 100 | 100 | 4.65 (4.51, 4.80) | 4.890 |
| 6:2 chlorinated polyfluoroalkyl ether sulfonate (6:2 Cl-PFAES) | 83 | 100 | 2.57 (2.47, 2.67) | 2.360 |
| bis[2-(perfluorohexyl)ethyl] phosphate (6:2 diPAP) | 22 | 50 | 2.22 (2.19, 2.25) | <LOQ |
| bisphenol F | 16 | 53 | 0.409 (0.405, 0.413) | <LOQ |
| bisphenol A | 41 | 66 | 1.10 (1.08, 1.12) | <LOQ |
| bisphenol S | 12 | 63 | 0.195 (0.193, 0.197) | <LOQ |
| bisphenol AF | 17 | 59 | 0.397 (0.394, 0.40) | <LOQ |
| triphenyl phosphate (TPHP) | 43 | 71 | 0.518 (0.511, 0.526) | <LOQ |
| monocyclohexyl phthalate (MCHP) | 52 | 60 | 0.147 (0.144, 0.15) | 0.113 |
| monoethyl phthalate (MEP) | 93 | 99 | 2.56 (2.50, 2.62) | 2.880 |
| dibutyl phosphate (DBP) | 28 | 55 | 0.481 (0.474, 0.488) | <LOQ |
LOQ limit of quantification.