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.