Scientific Investigations Report 2006-5073
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006-5073
Table 5. Concentrations of major ions, nutrients, organic carbon, and suspended sediment for quality-control samples collected at river and stream sites during summer base-flow conditions and springtime sampling, southern part of Hood Canal, Mason and Kitsap Counties, Washington.
[Location of sampling sites are shown in figure 1. Sample type: B, field blank sample; R, replicate sample; E, environmental sample. N, nitrogen; P, phosphorus. Abbreviations: USGS, U.S. Geological Survey; δ15N, isotope fractionation of N (see equation 1). mg/L, milligram per liter; µg/L, microgram per liter; e, estimated value; <, less than; –, not available]
| Map No. | USGS site No. | Sample date |
Sample type |
Calcium (mg/L) |
Magnesium (mg/L) |
Potassium (mg/L) |
Sodium (mg/L) |
Bromide (mg/L) |
Chloride (mg/L) |
|---|---|---|---|---|---|---|---|---|---|
| U4 | 12063300 | 06-30-04 | R | 11 | 4.46 | 0.24 | 3.84 | <0.02 | 2.18 |
| E | 10.9 | 4.44 | .23 | 3.80 | <.02 | 2.14 | |||
| T2 | 12067900 | 07-01-04 | B | e.01 | <.008 | <.16 | <.10 | <.02 | <.20 |
| T6 | 12067300 | 07-06-04 | B | .01 | <.008 | <.16 | <.10 | <.02 | <.20 |
| S2 | 12062510 | 07-09-04 | R | 8.86 | 2.42 | e.13 | 2.45 | <.02 | 1.75 |
| E | 8.64 | 2.36 | e.14 | 2.43 | e.01 | 1.76 | |||
| S6 | 12056500 | 05-06-04 | B | – | – | – | – | – | – |
| SP5 | 12062560 | 03-25-04 | B | – | – | – | – | – | – |
| Map No. | USGS site No. | Sample date |
Fluoride (mg/L) |
Silica (mg/L) |
Sulfate (mg/L) |
Dissolved solids (mg/L) |
Ammonia (mg/L as N) |
Nitrate plus nitrite (mg/L as N) |
Nitrite (mg/L as N) |
|---|---|---|---|---|---|---|---|---|---|
| U4 | 12063300 | 06-30-04 | <0.2 | 20.7 | 1.9 | 77 | <0.04 | 0.18 | – |
| <.2 | 20.5 | 1.9 | 87 | <.04 | .17 | – | |||
| T2 | 12067900 | 07-01-04 | <.2 | <.04 | <.2 | <10 | <.04 | <.06 | – |
| T6 | 12067300 | 07-06-04 | <.2 | <.04 | <.2 | <10 | <.04 | <.06 | – |
| S2 | 12062510 | 07-09-04 | <.2 | 14.5 | 1.5 | 53 | <.04 | <.06 | – |
| <.2 | 14.6 | 1.5 | 56 | <.04 | e.03 | – | |||
| S6 | 12056500 | 05-06-04 | – | – | – | – | <.04 | <.06 | <0.008 |
| SP5 | 12062560 | 03-25-04 | – | – | – | – | <.04 | <.06 | – |
| Map No. | USGS site No. | Sample date |
Particulate-N (mg/L) |
Orthophosphate (mg/L) |
Phosphorus (mg/L as P) |
Total nitrogen (mg/L) |
Total carbon, particulate (mg/L) |
Inorganic carbon, particulate (mg/L) |
Organic carbon, particulate (mg/L) |
|---|---|---|---|---|---|---|---|---|---|
| U4 | 12063300 | 06-30-04 | <0.02 | <0.02 | – | 0.28 | 0.2 | <0.1 | 0.2 |
| <.02 | <.02 | – | .27 | .3 | <.1 | .3 | |||
| T2 | 12067900 | 07-01-04 | <.02 | <.02 | – | <.03 | <.1 | <.1 | <.1 |
| T6 | 12067300 | 07-06-04 | <.02 | <.02 | – | <.03 | <.1 | <.1 | <.1 |
| S2 | 12062510 | 07-09-04 | <.02 | <.02 | – | .05 | <.1 | <.1 | <.1 |
| .03 | <.02 | – | .04 | .2 | <.1 | .2 | |||
| S6 | 12056500 | 05-06-04 | – | 1<.006 | 1<.004 | <.03 | – | – | – |
| SP5 | 12062560 | 03-25-04 | <.02 | – | – | <.03 | <.1 | <.1 | <.1 |
| Map No. | USGS site No. | Sample date |
Organic carbon, dissolved (mg/L) |
Iron (µg/L) |
Manganese (µg/L) |
Suspended sediment (mg/L) |
δ15N (per mil) |
|---|---|---|---|---|---|---|---|
| U4 | 12063300 | 06-30-04 | 1.9 | 133 | 21.9 | 2 | 3.03 |
| 1.9 | 125 | 21.7 | 2 | 2.95 | |||
| T2 | 12067900 | 07-01-04 | e.2 | <6 | <.8 | 1 | – |
| T6 | 12067300 | 07-06-04 | e.3 | <6 | <.8 | <.5 | – |
| S2 | 12062510 | 07-09-04 | .6 | 21 | 16.8 | 1 | 4.75 |
| .7 | 20 | 16.8 | <.5 | 5.43 | |||
| S6 | 12056500 | 05-06-04 | – | – | – | – | – |
| SP5 | 12062560 | 03-25-04 | .4 | – | – | <.5 | – |
1Resulting concentration from an unfiltered sample.
For more information about USGS activities in Washington, visit the USGS Washington Water Science Center home page.
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