1997-04-24_REVISION - M1977493 (17)

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Table 4 Recommendations for Future Monitoring Parameters • During the Eagle Park Reservoir Reclamation Confirmation Tests Concentration Range Detection Limits Continued Parameter (mg/L) (mg/L) Monitoring Rationale Arsenic,tr ND to 0.002 <0.001 to<0.005 no well below standard Boron ND to 0.01 <0.01 to<0.1 no well below standard Cadmium,d 0.002 to 0.01 NA yes NA Chromium,hexavalent,d ND to 0.008 0.005 to 0.05 no detection below standard Chromium,trivalent,d ND 0.01 to 0.02 no not detected Chromium, tr ND 0.1 no not detected Copper,d ND to 0.219 0.01 yes NA Iron,d 11.1 to 1230 NA yes NA Iron,tr 12.8 to 1200 NA intermittent NA Lead,d 0.002 to 0.447 0.02 yes NA Manganese,d 2.54 to 54.2 NA yes NA Manganese,tr 2.54 to 53.4 NA intermittent NA Mercury,tr ND to 0.0002 0.0002 no below PQL Nickel,d 0.03 to 0.495 NA yes NA Selenium,tr ND 0.001 no not detected Silver,d ND 0.0005 to 0.001 no not detected • Zinc,d ND to 1.14 0.242 yes NA Chloride ND to 9 1 no well below standard Coliforms,fecal ND 2/100 ml no not detected Cyanide,free ND to 0.4 0.1 no below PQL Nitrate as N 0.08 to 0.79 NA no well below standard Nitrite as N ND 0.01 no NA Ammonia as N 2.2 to 44 NA yes NA Sulfate 610 to 5490 NA yes NA Sulfide as S ND to 0.07 0.02 no below PQL . Hardness(as CaCO3) 491 to 2620 NA yes NA TSS,residue 8 to 64 NA yes NA Temperature(C) 11.9 to 18.8 NA yes NA Conductivity @ 25 C(umhos/cm) 1119 to 6550 NA yes NA pH(units) 3.54 to 6.0 NA yes NA Dissolved Oxygen(percent) 53.6 to 70.7 NA yes NA Notes: All values are in mg/L unless otherwise noted. (1) Standard based on water hardness of 658 mg/l. (2) Standard based on water temperature and pH. NA: not applicable ND: not detected • PQL: Practical Quantitation Limit tr: total recoverable pinanow&=,p d: dissolved =Environmental D:lpmjecte16102.00ITAGLE1.XLS,mv.1 W9196