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Table 1 PCB concentrations in indoor air, house dust, and residents' serum in two Cape Cod homes

From: PCB-containing wood floor finish is a likely source of elevated PCBs in residents' blood, household air and dust: a case study of exposure

   Indoor air(ng/m3)a House dust (micrograms/gram)a Serum (ng/g lipid)
Home Participant Initial PCBs, LR [52,105,153] Follow-up PCBs LR (BR) [52,105,153] Initial PCBs [52, 105, 153] Follow-up PCBs [52, 105, 153] Total PCBs (# congeners detected)b Sum 10 PCB congenersc 4,4'-DDEd
1 1-A 23 [19, 4, <2] 21 (<68) [10, 2.9, 7.7] 21 [1.1, 14, 5.8] 190 [15, 53, 119] 1630 (13) 1520 848
  1-Be      993 (11) 967 208
2 2-A 35 [25, 6.7, 3.6] 8.0 (13) [8, <2.8, <2.8] 68 [16, 35, 17] 140 [37, 34, 69] 760 (16) 652 292
  2-B      179 (5) 179 96
  1. Abbreviations: PCB, polychlorinated biphenyl; LR, living room; BR, bedroom; ND, not detected; DL, detection limit
  2. aPCB concentrations reported as sum of PCB 52, 105, 153 in air or dust (<DL values set to 0), followed by results for the 3 individual congeners (PCB 52, 105, 153)
  3. bSum of the concentrations of all PCB congeners detected in serum (of 33 tested). Values < DL set to 0. Individual congeners reported in Additional File 1
  4. cLimited to the 10 PCB congeners also measured in NHANES. Values < DL set to 0
  5. dIncluded as an alternate bioaccumulative, persistent organochlorine