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Scientific Investigations Report 2007–5075

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5075

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Table 3. Nitrogen and organic carbon concentrations in composite soil and sediment samples collected and analyzed by the U.S. Navy at the former sewage lagoon, Naval Air Station Whidbey Island, Washington, June 2006.

Site
and No.
Sample
location
Concentration,
in milligrams
per kilogram
Organic
carbon
(percent)
Nitrate as
nitrogen
Ammonia as
nitrogen
Total
nitrogen
Depth interval, 0–6 inches
LSC1 Lagoon 1 2 <100 0.2
LSC2 Lagoon 1 2 <100 0.3
LSC3 Lagoon 1 2 <100 0.2
LSC4 Lagoon 1 3 330 0.8
LSU1,3,5 Upgradient 1 2 430 1
Depth interval, 7–18 inches
LSC1 Lagoon 14 6 <100 0.2
LSC2 Lagoon 4 9 <100 0.2
LSC3 Lagoon 1 2 <100 0.2
LSC4 Lagoon 1 2 <100 0.2
LSU1,3,5 Upgradient 1 3 270 0.6
Depth interval, 19–30 inches
LSC1 Lagoon 9 24 <100 0.2
LSC2 Lagoon 2 7 <100 0.2
LSC3 Lagoon 1 4 <100 0.2
LSC4 Lagoon 1 5 <100 0.2
LSU1,3,5 Upgradient 3 13 <100 0.3

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