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. 2005 Dec 29;114(5):697–703. doi: 10.1289/ehp.8496

Table 3.

Apparent potency of samples in ER reporter gene assay at different induction levels, in descending order.

Sample 20% of 10−10 estradiol (m3) Sample 50% of 10−10 estradiol (m3)
urb gas Jul 00 0.39 urb gas Jul 00 1.26
urb gas Mar 00 0.62 urb gas Mar 00 2.25
urb gas Jul 01 1.90 rur gas Jul 01 6.23
rur gas Jul 01 2.27 rur part Jul 00 6.92
rur part Jul 00 2.32 urb gas Jul 01 7.65
urb gas Mar 01 2.90 urb gas Mar 01 9.48
rur gas Jul 00 3.97 urb part Mar 00 11.23
urb part Mar 00 4.58 rur gas Jul 00 12.45
urb part Mar 01 5.28 urb part Mar 01 12.50
urb part Jul 00 7.26 rur part Jul 01 a
rur part Jul 01 12.25 urb part Jul 00 a
urb part Jul 01 18.47 urb part Jul 01 a

Abbreviations: part, particulate; rur, rural sample; urb, urban sample.

a

Sample did not elicit 50% of the activity of 10−10 estradiol.