Scientific Investigations Report 2006–5106
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5106
Table 7. Concentrations of salinity, dissolved oxygen, and inorganic compounds in samples collected from the lower layer of water-quality sites L13 and L14, western Washington, July through October 2004.
[Abbreviations: N, nitrogen; m, meter; pss, practical salinity scale; mg/L, milligram per liter; <, less than]
| Water-quality site No. | Date | Sampling depth (m) | Salinity, water, unfiltered (on pss) | Dissolved oxygen, water, unfiltered, lab (mg/L) | Ammonia, water, filtered (mg/L as N) | Nitrate, water, filtered (mg/L as N) | Nitrite, water, filtered (mg/L as N) |
|---|---|---|---|---|---|---|---|
| L13 | 07-16-04 | 37.1 | 29.9 | 1.2 | <0.04 | 0.42 | <0.008 |
| L13 | 08-25-04 | 39.6 | 29.6 | .5 | <.04 | .49 | <.008 |
| L14 | 08-25-04 | 45.7 | 29.9 | .4 | <.04 | .44 | <.008 |
| L13 | 09-23-04 | 39.6 | 30.1 | 11.1 | <.04 | .36 | <.008 |
| L14 | 09-23-04 | 48.7 | 30.2 | 1.1 | <.04 | .44 | <.008 |
| L13 | 10-20-04 | 44.2 | 30.5 | 2.4 | <.04 | .41 | <.008 |
| L14 | 10-24-04 | 53.3 | 30.4 | 2.0 | <.04 | .41 | <.008 |
1Concentration of dissolved oxygen was measured in the field using the conductivity-temperature-depth probe.
For more information about USGS activities in Washington, visit the USGS Washington Water Science Center home page.
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