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Table 11. Comparison of environmental and concurrent- and sequential-replicate samples for nutrients and organic carbon [Env., environmental sample; Rep., replicate sample; Diff. I, difference in units of constituent; Diff. 2, difference in lowest rounding unit; mg/L, milligrams per liter; <, value is less than the laboratory minimum reporting level; shaded cells represent differences greater than plus or minus 1 lowest rounding unit; lowest rounding unit is equal to the magnitude of the least significant figure] Ammonia Dissolved ammonia plus organic Total ammonia plus organic Station Date Env. Rep. Ditt.1 Env. Rep. Ditt.1 Env. Rep. Ditt.1 (mg/L) (mg/L) (mg/L) Ditt.2 (mg/L) (mg/L) (mg/L) Ditt.2 (mg/L) (mg/L) (mg/L) Ditt.2 Concurrent replicates State Line 091096 0.07 0.08 -0.01 -1 0.3 0.3 0 0 0.8 0.8 0 0 Cameo 051396 <0.02 <0.02 0 0 <0.2 0.2 -0.1 -1 Gunnison at 32 Road 071895 0.02 0.02 0 0 <0.2 <0.2 0 0 <0.2 <0.2 0 0 East 113095 <0.02 <0.02 0 0 <0.2 <0.2 0 0 <0.2 <0.2 0 0 East 051696 0.D2 0.D2 0 0 <0.2 <0.2 0 0 0.3 0.3 0 0 Gore 082396 0.02 0.02 0 0 <0.2 <0.2 0 0 <0.2 <0.2 0 0 Baker 081895 <0.02 <0.02 0 0 <0.2 <0.2 0 0 <0.2 <0.2 0 0 Maximum difference -0.01 -1 -0.1 -1 -0.3 -3 Percent of samples with 86 86 86 86 86 86 no difference Percent of samples 100 100 86 within plus or minus 1 lowest rounding unit " Sequential replicates c: )> Dotsero 032096 <0.02 <0.02 0 0 <0.2 <0.2 0 0 r :::j Reed 112295 0.06 0.06 0 0 0.4 0.4 0 0 0.5 0.4 0.1 1 -< 0 Baker 022796 0.02 <0.02 0.01 I <0.2 <0.2 0 0 <0.2 <0.2 0 0 0 Z Maximum difference 0.01 1 -f 0 0 -0.2 -2 %I 0 Number of samples with 2 2 3 3 1 1 r rn no difference )> s: Number of samples 3 3 2 "tI within plus or minus 1 r Z lowest rounding unit l:) "tI %I 0 l:) %I )> s: N ...