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DGMO, Hesperus, Colorado. Addition to 1998 Annual Repo• <br /> A B C D E F G <br />1 <br />2 com liance monitoring water sam le analysis results <br />3 <br />4 sampling of surtace water down radient of mine ermit area <br />5 <br />6 base water water <br />7 line sam le sam le <br />8 water number" number" <br />9 anal zed for units ref standard monitorin 97111002 98103002 <br />10 <br />11 Aluminum ug/L E 5000 <78 <50 <50 <br />12 Antimon u /L B 6 <5 <5 <5 <br />13 Arsenic u /L A 50 <2 <7 2 <br />14 Barium u /L B 1000 94 90 90 <br />15 Beryllium ug/L B 4 <0.1 <0.1 <0.1 <br />16 Boron u /L A 750 <18 20 20 <br />17 Cadmium u /L B 5 <0.3 <0.3 <0.3 <br />18 Chromium u /L A 50 <10 <70 <10 <br />19 Co er u /L E 1000 <10 <10 <70 <br />20 C snide mg/L B 0.200 <0.005 <0.001 <0.001 <br />21 Floride mg/L B 4 <0.07 <0.05 0.07 <br />22 Gross Alpha (+_precision) Ci/L 8 15 0.3~+-1.3) 1.8~+-2.0) 1.3~+-1.6 <br />23 Gross Beta +_precision Ci/L D 50 0.2 +_2,7 1.5 +_2,g 0.0 +-3.5 <br />24 Hardness as CaCO3 mg/I 115 122 119 <br />25 Iron u /L A 1000 <76 10 <70 <br />26 Lead u /L B 20 <1 <1 <1 <br />27 Manganese ug/L A 1000 <10 <10 <10 <br />28 Mercu u /L B 2 <0.1 <0.1 <0.1 <br />29 Nickel u /L B 100 <20 20 <20 <br />30 Nitrate+Nitrite as N m /L A 10 <0.08 0.34 0.3 <br />31 H units A 6.5-9.0 7.97 8.10 6.38 <br />32 Selenium ug/L A 10 <5 <5 <5 <br />33 Silver u /L B 50 <0.2 <0.2 <0.2 <br />34 Sulfate as SO4 m /L A 250 16 19 20 <br />35 Thallium u /L B 2 <1 <1 <1 <br />36 Uranium u /L <2 <2 <2 <br />37 Vanadium u /L E 100 <10 20 30 <br />38 Zinc ug/L E 2000 <10 <10 <10 <br />39 <br />40 <br />41 ` ref A =Numeric Standards for San Juan River Basin, a e 8 <br />42 ref B =The Basic Standards for Groundwater 3.11.0, a e 22 <br />43 ' ref C =Numeric Standards for San Juan River Basin, a e 3 <br />44 ` ref D =Colorado Prima Drinkin Water Re ulations, a e 47 <br />45 ref E =The Basic Standards for Groundwater 3.11.0, a e 23 <br />46 <br />47 <br />48 <br />49 "' =water sam le number consistin of 8 di its, with <br />50 digits 1 8 2 indicatin the ear, <br />51 digits 3 8 4 indicatin the month <br />52 di its 5 8 6 indicating the da , <br />53 di its 7 8 8 indicatin sam le taken that date <br />dmg 6 \dmg 2/11/1999 985 R <br />