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Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

American River at Sacramento, California

Nutrients and organic carbon in filtered (0.45 micrometer capsule filter or
0.45 micrometer silver filter for organic carbon) and unfiltered water

Number of significant figures do not reflect analytical method
reporting levels.

Method reporting levels of all analytes

[mg/L - milligrams per liter, < - less than]

Date Time Dissolved Ammonia (mg/L as N) Dissolved Nitrite (NO2) (mg/L as N) Dissolved Ammonia and Organic Nitrogen (mg/L as N) Total Ammonia and Organic Nitrogen (mg/L as N) Dissolved Nitrite (NO2) + Nitrate (NO3) (mg/L as N) Total Phosphorus (mg/L as P) Dissolved Phosphorus (mg/L as P) Dissolved Ortho Phosphorus (mg/L as P) Dissolved Organic Carbon (mg/L as C) Suspended Organic Carbon (mg/L) as C
2/21/96 1010 0.02 <0.010 <0.20 <0.20 0.12 <0.01 <0.010 0.02 6.4 1.7
3/18/96 1100 0.02 <0.010 <0.20 <0.20 0.13 0.02 0.01 <0.010 3.7 0.4
4/5/96 0940 <0.015 <0.010 <0.20 <0.20 0.11 0.02 0.02 <0.010 1.3 <0.10
5/15/96 1030 <0.015 <0.010 <0.20 <0.20 0.11 0.01 <0.010 <0.010 1.5 0.2
6/12/96 1130 0.06 0.01 <0.20 <0.20 0.07 0.05 <0.010 <0.010 1.4 0.2
7/19/96 1010 0.04 0.01 <0.20 <0.20 0.06 0.07 0.03 0.02 1.4 0.3
8/13/96 1000 0.02 0.01 <0.20 <0.20 <0.050 <0.01 0.01 0.01 1.5 0.4
9/13/96 0930 <0.015 <0.010 <0.20 <0.20 <0.050 0.01 <0.010 <0.010 1.5 0.4
10/11/96 0930 <0.015 <0.010 <0.20 <0.20 <0.050 <0.01 <0.010 <0.010 1.6 0.3
11/12/96 1020 0.07 0.02 0.2 <0.20 0.08 <0.02 <0.010 0.01 1.9 0.2
12/6/96 1100 <0.015 0.01 <0.20 <0.20 <0.050 <0.01 <0.010 <0.010 1.5 0.5
1/10/97 1000 <0.015 0.01 <0.20 <0.20 0.11 0.09 <0.010 <0.010 1.8 1.0
2/5/97 0930 <0.015 0.02 <0.20 <0.20 0.2 0.04 <0.010 <0.010 1.6 0.5
3/24/97 1100 <0.015 <0.010 <0.20 <0.20 <0.050 <0.01 <0.010 <0.010 1.2 0.2
4/25/97 0920 <0.015 <0.010 <0.20 <0.20 <0.050 0.017 <0.010 <0.010 1.3  
5/15/97 1000 <0.015 <0.010 <0.20 <0.20 <0.050 <0.01 <0.010 <0.010 1.1 0.2
6/12/97 0920 <0.015 <0.010 <0.20 <0.20 .094 <0.01 <0.010 <0.010 1.5 0.1
7/25/97 1330 <0.015 <0.010 <0.20 <0.20 <0.050 <0.01 <0.010 <0.010 1.3 0.2
8/19/97 0930 0.022 <0.010 <0.20 <0.20 <0.050 0.017 <0.010 <0.010 1.3 0.2
9/15/97 1230 <0.015 <0.010 <0.20 <0.20 <0.050 <0.01 <0.010 <0.010 1.3 0.9
10/24/97 0900 0.017 <0.010 <0.20 <0.20 <0.050 <0.01 <0.010 <0.010 1.2 <0.20
11/21/97 1425 <0.020 <0.010 <0.10 <0.10 <0.050 <0.01 0.016 <0.010 1.2 0.2
12/11/97 1130 <0.020 <0.010 <0.10 <0.10 0.068 0.014 <0.010 <0.010 1.5 0.3
1/23/98 1000 <0.020 0.01 <0.10 <0.10 0.117 <0.01 <0.010 <0.010 1.9 0.2
2/12/98 1000 <0.020 <0.010 <0.10 <0.10 0.141 0.022 <0.010 0.019 1.6 0.2
3/12/98 1000 <0.020 <0.010 <0.10 <0.10 0.123 0.023 <0.010 <0.010 1.4 0.2
4/16/98 0940 <0.020 <0.010 0.17 <0.10 <0.050 0.02 0.029 0.012 1.6 <0.20

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