1999-08-11_REVISION - M1999002 (2)

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~-~:-;1-1599 0'~:1~ . i ~~ ~~ _ FR01'1 STEIGERS CORPORATION TO 3038328106 P.05 C~ Parameter Constituent Units 1-iDL' Standards Dissolved Nitrite as N (mg/I) 0.01 1.0 mg/I Table I Human Health Standard Dissolved Phosphate (mg/1) 0.01 Dissolved Total (mg/I) O.OI Phosphorous Dissolved Potassium (mg/l) 0.3 7ilJissolved Selenium (mg/I) 0.4015 0.02 mgll Table 3 Agricultural Standard Dissolved Silica (mgll) 0.2 y Dissolved Silver (mg/I) 0.0002 0.05 mg/I Table 1 Human Health Standard ~, Dissolved Sodium (mg/I) 0.3 . 0 t '~ Dissolved Strontium (mg/1) 0.01 /Dissolved Sulfate (mg/1) 0.5 250 mg/I Table 2 Secondary Drinking Water Standard ` Dissolvcd Sulfide as (mg/I) 0.02 H,S Dissolved Thallium (mg/I) 0.00005 0.002 mg/I Tablel Human Health Standard Dissolved Uranium (mg/1) 0.00005 Dissolved Vanadium (mg/I) 0.005 0.1 mg/l Table 3 Agricultural Standard Dissolved Zinc (mg/l) 0.002 Gross Alpha Particle pCi/I 2 15 pCi/I Table I Activity Human Health Standard Gross Beta Panicle pCi/I 4 4 mrem/yeaz Table 1 Activity Human Health Standard tifDL' =Minimum Defection Limit Through consultation with CDMG and anEPA-approvod groundwater testing laboratory, it has been detemtined that the "Minimum Detection Limit"(MDL) may be formulated thmugh several different methods. Therefore, the fol lowing explanation is being provided to clarify the differences between the MDLs listed in Tables 2 and 3 and the MDLs anticipated in the laboratory analytical results. The MDLs in Tables 2 and 3 (WQ 1 and W Q2, respectively) were generated doting an MDL study designed to indicate the sensitivity of the laboratory equipment while using a preferred EPA laboratory testing method. The MDLs in these tables represent detection limits that may be achicvcd using a known concentration of a single analyte in a clean matrix. Therefore, the detection limits provided in the tables are essentially instrument detection limits under ideal conditions and are not representative of the detection limits that would be