1997-04-24_REVISION - M1977493 (17)

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Table 2 Climax-Eagle Park Reservoir Analytical Results: Preliminary Water Sampling Sampling Event: July 17,1996 Acute Chronic Water Water Quality Quality SW-1 SW-2 SW-3 SW4 Parameters Standardsto Standards(`) split of SW-2 Date 7/17/96 7/17/96 7/17/96 7/17/96 Arsenic,total recoverable 0.05 NA 0.001 U 0.002 B 0.002 B 0.001 U Boron 0.75 0.75 0.02 U 0.1 U 0.1 U 0.02 U Cadmium,dissolved 0.0594 0.0040 0.062 B 0.009 0.01 B 0.003 B Chromium,Hexavalent,dissolved 0.016 0.011 0.008 0.005 U 0.005 U 0.005 U Chromium,Trivalent dissolved NA NA 0.02 U 0.1 U 0.1 U 0.02 U Chromium,total recoverable NA NA 0.02 U 0.1 U 0.1 U 0.02 U Copper,dissolved 0.079 0.046 0.01 U 0.1 B 0.09 B 0.03 B Iron,dissolved NA 0.3 117 1160 1230 109 Iron,total recoverable NA 1 118 1190 1200 106 Lead,dissolved 1.252 0.037 0.002 B 0.058 0.048 0.02 U Manganese,dissolved NA 0.05 3.24 51.1 54.2 7.11 Manganese,total recoverable NA 1 3.1 52.7 53.4 6.82 Mercury,total recoverable(2) NA 0.00001 0.0002 U 0.0002 U 0.0002 U 0.0002 U Nickel,dissolved 3.10 0.32 0.052 0.462 0.495 0.068 Selenium,total recoverable NA 0.01 0.001 U 0.001 U 0.001 U 0.001 U Silver,dissolved 0.0314 0.005 0.001 U 0.001 U 0.001 U 0.001 U . Zinc,dissolved 0.45 0.41 0.242 1.07 1.14 0.296 Chloride 250 250 4 B 9 9 4 B Cyanide,free(2) 0.005 0.005 0.1 U 0.4 B 0.4 B 0.1 U Nitrate as N,dissolved 10 10 0.12 0.08 B 0.13 0.28 Nitrite as N,dissolved 0.05 0.05 0.01 U 0.01 U 0.01 U 0.01 U Nitrogen,ammonia 0.08 NA 6.2 44 41 6.6 Sulfate 250 250 690 5310 5490 1070 Sulfide as S(2) 0.002 0.002 0.07 B 0.06 B 0.06 B 0.02 B Coliforms,fecal 200/100mL 200/100mL 2/100ml U 2/100ml U 2/100m1 U 2/100m1 U Conductivity @25C(lab)(umhos/cm) NA NA 1300 6550 6550 1990 Dissolved Oxygen(field)(percent) NA NA 63.2 53.6 53.6 66.8 Hardness as CaCO3 NA NA 491 2460 2620 901 pH(lab)(units) 6.5-9.0 6.5-9.0 5.3 3.8 3.8 4.2 pH(field)(units) 6.5-9.0 6.5-9.0 5.59 3.54 3.54 4.04 Residue,TSS NA NA 64 1 50 1 48 1 16 B Temperature(field)(C) NA NA 18.7 18.8 18.8 18.8 11 Notes: All values in mg/L unless noted. U=Analyte was analyzed for but not detected at the Method Detection Limit(MDL). Value reported is the MDL. B=Analyte concentration detected at a value between the MDL and Practical Quantitation Limit(PQL). SW-3 is a split sample from SW-2. Colorado Department of Health,Water Quality Control Commission. Classifications and Numeric Standards for Upper Colorado River Basin and North Platte River,3.3.0. November 30,1994. Calculated surface water standards are based on the most conservative value of hardness=491 mg/L as CaCO3(sample SW-1). (2) Acute and Chronic water quality standards are below the MDL and/or the PQL. Analyte is not classified as an exceedance as it was not detected. (I)Acute water quality standard is calculated based on water temperature and pH. • Bold type indicates exceedances of the Colorado Department of Health,acute and/or chronic surface water standards. NA=Not Available. CDH has no water quality standard for this parameter. ====Environmental o:gomv�iaxmiw+u.��ssA.ss