Table 3. Concentrations of selected wastewater-indicator chemicals measured by polar organic chemical integrative samplers (POCIS) at three sites in the McKenzie River basin, Oregon, September–October 2007.
[A and B are replicate samples. MDL, method detection limit; MQL, method quantitation limit; “<,” compound not present at MDL; NQ, not quantified--compound detected at a concentration less than the MQL; detections are highlighted as bold type in shaded cells]
| Wastewater-indicator chemical |
Concentrations, in nanograms of chemical per deployed POCIS |
| Water-treatment plant inlet |
|
Cedar Creek |
|
Camp Creek |
|
MDL |
MQL |
| A |
B |
A |
B |
A |
B |
| 1,4-Dichlorobenzene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| 1-Methyl naphthalene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| 2,6-Dimethylnaphthalene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| 2-Methyl naphthalene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| 4-Octylphenol |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Acetophenone |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Anthracene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Anthraquinone |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Atrazine |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Benzo[a]pyrene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Benzophenone |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Caffeine |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Camphor |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Carbazole |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Cashmeran (DPMI) |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Celestolide (ADBI) |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Chlorpyrifos |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Cholesterol |
<370 |
1,200 |
|
<370 |
<370 |
|
<370 |
NQ |
|
370 |
1,000 |
| Cotinine |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Diazinon |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Diethyl phthalate |
1,800 |
550 |
|
670 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Diethylhexylphthalate (DEHP) |
<570 |
NQ |
|
<570 |
<570 |
|
<570 |
<570 |
|
570 |
1,300 |
| Fluoranthene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Galaxolide (HHCB) |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Indole |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Isophorone |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Isoquinoline |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Menthol |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Metalaxyl |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Methyl salicylate |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Musk Ambrette |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Musk Ketone |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Musk Xylene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| N,N-diethyltoluamide (DEET) |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Naphthalene |
<31 |
<31 |
|
<31 |
<31 |
|
<31 |
<31 |
|
31 |
88 |
| N-butyl benzenesulfonamide |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| para-Cresol |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Phantolide (AHMI) |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Phenanthrene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Phenol |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Prometon |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| p-tert-Octylphenol |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Pyrene |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Tonalide (AHTN) |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Traseolide (ATII) |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Tri(2-chloroethyl) phosphate |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Tri(butoxyethyl) phosphate |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
| Tributyl phosphate |
<20 |
<20 |
|
<20 |
<20 |
|
<20 |
<20 |
|
20 |
100 |
|
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U.S. Department of the Interior | U.S. Geological Survey