| Percent of mixtures | ||
---|---|---|---|
 | All samples | Surface water samples | WWTP effluent samples |
In Group I | Â | Â | Â |
Nondetects = 0 | 68% | 63% | 78% |
Nondetects = Detection limit/2 0.5 | 73% | 65% | 86% |
In Group II | Â | Â | Â |
Nondetects = 0 | 19% | 29% | 3% |
Nondetects = Detection limit/2 0.5 | 18% | 27% | 1% |
In Group IIIA | Â | Â | Â |
Nondetects = 0 | 6% | 4% | 10% |
Nondetects = Detection limit/2 0.5 | 3% | 2% | 4% |
In Group IIIB | Â | Â | Â |
Nondetects = 0 | 6% | 4% | 10% |
Nondetects = Detection limit/2 0.5 | 7% | 5% | 9% |