REP39341 - Laserfiche WebLink

Home Browse Search

• ~ • Table C-73 Lower Gribbte Gulch -Water Quality and Field Parameters Baseline Sample Dates Field Parometero Unlts Minimum Maximum Mean 6/9/98 6/24/98 9/24/98 Flaw gpm 40.39 17.95 Dry Conductivity (Field) umhos/un 640 640 pH (Field) SU 8.5 B.5 Temperature °C 10.2 17 Laboratory Perometero Units Alkalinity. total mg/L 310 Aluminum, dissolvetl mg/L 0.03 Anions meyl 6.2 Arsenic. total recvvereble mg/L < 0.001 Bicarbonate mg/L 304 477 353 296 Cadmium, total mg/L < 0.003 Calcium, dissolved mg/L 51 2 Carbonate mg/L 15 Cation -Anion Balance % -3.8 Cations meq/L 7.6 Chlontle mgll 3 5 4 4 Contluctivity (Lab) umhoslcm 1250 7250 1250 681 Copper, tl~ssolved mglL < 0.01 Fluoride mg/L 0.1 Hardness mg/L 308 460 371 250 Hydroxide mg/L < 2 Iron, dissolved mg/L 0.00 0 00 0.00 0.04 Iron, total mg/L 0 00 0.89 0 44 0.53 Lead, dissolve0 mglL < 0.04 Magnesium, dissolved mg/L 32.0 39 7 35 9 29.8 Manganese, dissolved mg/L 0.000 0 000 0.000 0.006 Manganese, total mg/L 0.000 0 015 0.008 0.011 Mercury, total recoverable mg/L < 0.0002 Motybdenum, total mg/L < 0.01 Nitrate (as N), dissolved mg/L 0 02 Nitrate/Nitrite (as N) mg/L 0 OS 0.35 0.15 0 02 Nitrite (as N), tlissolvad mg/L < 0 01 pH (Lab) SU 7.2 7 2 7.2 6.4 Phosphate mglL 0.04 Phosphate (Odho), dissolved mg/L 0.000 0 006 0.002 0.014 Potassium, dissolved mg/L 3.3 Selenium, total recoverable mq/L < 0.04 Sodium Absorbtion Raho 0 66 2.50 1 45 1.59 Sodium, dissolved mg/l. 80 0 260.0 135.0 57.2 Sulfate mg/L 400 780 590 90 Total Dissolved Solitls (Lab) mg/L 24 60 42 390 Total Suspended Solitls mg/L 26 Zinc. dissolvetl mg/L < 0.01 Sudece98 zls West Elk Mine 5/12/99 1998 Annual Hydrology Report Wright Water Engineers