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DIVISION OF MINERALS AND GEOLOGY site Name: Howardsville Mill <br /> Hydrology Report-Baseline Conditions Permit No.: M-84-049 <br /> Monitoring Site No.: G-4-Groundwater well <br /> Animas River: Aquatic Life Cold 1; Recreation 2;Agriculture. Monitoring Location: Immediately down-,gradient from Mill Drain Pond. <br /> PARAMETER UNITS LAB IDENTIFICATION NUMBER Average STANDARDS <br /> No Sample No Sample No Sample 3083 3216 Aquatic Human• Agriculture <br /> Sample Date 06/30/98 09/27/98 <br /> I nterr aled/Grab Pump Pump /A <br /> P N <br /> Su <br /> rface Flo <br /> w cfs NI <br /> A NIA <br /> N/A <br /> Well H2O Depth ft <br /> 7 <br /> 7.2 7.2 <br /> H std. units 6.48 6.12 6.30 6.5-,.9„ ,..5.,-..9 ....... .6.5',.8,.5.,, <br /> Conductivi EC us/cm 530 3290 1910.00 T SS <br /> m /I <br /> A N NA 0.00 <br /> TD S /l 0 m 371 23 5 1338.00 -44 <br /> Hardness 3 a CaCO m /I 1228 1324 1276.00 <br /> T.Alkalini CaCO3 m /I 22 60 41.00 " <br /> Ammonia NH3- m /l 7.1 1.1 4.10 0.02 ? 0.5 ? <br /> Chloride Cl- m /I 125 1250 687.50 250 <br /> WAD Cyanide CN- mall 0.005 0.006 0.01 0.005 " 200 &0.2` .,. 0.2 ' <br /> Nitrate NO3- m /l 0.3 0.7 0.50 10 100 <br /> Nitrite NO2- m m 1 <1 0.50 1 10 <br /> Sulfate SO4- m A 2100 2250 2175.00 250 <br /> Sulfide fid S- m /I 1 0.004 0.001 0.00 Calcium C R 436 500 468.00 <br /> a m <br /> Magnesium M m /I 33.5 18 25.75 <br /> Potassium K+ m A 3.95 7.6 5.7 8 _ <br /> Sodium'u Na A m 5.7 8.3 7.00 <br /> Aluminum Al u /l 1 400 40 220.00 87..,,,. 5000 <br /> Arsenic As u /I I <1 1 0,50 150 50 100 <br /> Barium Ba u /1 9000 2000 5500.00 1000 <br /> < < <br /> 00 0 •Boron B u /I 1 1 D 0,00 �,750 <br /> Cadmium Cd u /1 21.3 13.5 17.40 1.1......, 5..... 10 <br /> Chromium Cr+3 6 u /I <10 <10 0,00 11 50 100 <br /> Copper Cu u /1 22 150 86.00 12 1000 200 <br /> Iron Fe u /I 2940 170 1555.00 l000(t.rec.) 300 ` 5000 <br /> Lead Pb u /1 1 434 217.50 4 50 100 <br /> Manganese Mn u /1 17430 256700 137065 1462 50 ' 200 <br /> Mercury Hg u /l 0.2 <0.1 0.10 0.1 2 10 <br /> Nickel Ni u /I 212 41 126.50 96 100 200 <br /> Selenium Se u /I <5 <5 0.00 17 50 20 <br /> Silver Aq u /I 0.5 1.7 1,10 0.32 50 <br /> Zinc Zn u /I 1 97800 86980 92390 106 5000* 2000 ,... <br /> • Standards for Aquatic Life are Chronic at 100 hardness. ` CN Standards are for Free Cyanide, <br /> • Standards for Human Health with (') are Secondary Standards for drinking water. <br />