Table 2.

Serum concentrations of organochlorine pesticide residues in ATLAS Study participants (n = 876) expressed as whole weight (pg/g serum) and lipid-standardized values (ng/g lipid)

Pesticide% Nondetects%IR*ICC
Median (IQR)
Within runBetween runConcentration, pg/g serumConcentration, ng/g lipid
β-hexachlorocyclohexane5.09.80.900.6629.47 (19.64-50.66)4.32 (2.89-6.52)
γ-hexachlorocyclohexane23.91.50.580.429.58 (6.71-15.11)1.37 (0.89-2.23)
Dieldrin19.86.50.420.1651.07 (26.94-76.01)7.33 (4.13-10.38)
Hexachlorobenzene0.00.20.900.33186.34 (114.81-348.04)25.46 (15.95-48.86)
Heptachlor epoxide10.08.60.930.4826.74 (17.38-43.74)3.96 (2.64-5.75)
Mirex4.31.00.920.6211.65 (6.58-20.73)1.62 (0.93-2.77)
p,p′-DDT6.74.40.910.2527.27 (18.62-38.27)3.78 (2.72-5.28)
o,p-DDT42.39.00.680.575.72 (2.65-10.45)0.79 (0.37-1.49)
p,p′-DDE0.00.90.970.661,089.10 (722.70-1,770.92)153.28 (108.16-230.35)
Oxychlordane13.14.60.910.5242.86 (26.32-71.13)6.15 (3.95-9.43)
trans-nonachlor0.10.00.930.6672.84 (52.43-112.74)10.50 (7.74-15.26)
  • * IR out of tolerance indicating possible interference.

  • Interquartile range.