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- <br /> <br /> <br /> <br />ARFN'fETER ----- - <br /> <br /> <br />Observations <br />Well 33C <br /> <br />Fange of <br />Jan. 1981 to Mar. 1982 <br />Well 30A <br />TABLE 5(b) <br /> <br /> <br />MLR/NPDESI <br /> <br /> <br />ater Quality Criteria (Sources) <br />EPA Red Book2 Colo. Dept of Health3 <br /> <br /> <br /> <br />yo. DE44 <br />Alkalinity (as CaCO3) 209 - 221 428 - 434 20 mgll or nnre <br /> (aquatic) <br />Aluminum <,1 - ,7 <,1 - .3 5.0 mg/1 <br />Arsenic <,001 - .015 <.001 - .004 100.0 ug/1 (irrig) .1 mg/1 .2 mg/1 <br />Bicarbrnate (as Ca~3) 101 - 212 350 - 933 <br />Boron ,63 - 1.10 ,20 - .80 750.0 ug/1 (irrig) .75 m7/1 5.0 mg/1 <br />~um <,005 <.005 - .008 12.0 ug/1 (aquatic) .O1 mg/1 .OS mg/1 <br />cium 32 - 61 64 - 90 <br />Carbonate (as CaCO3) 0 - 39 0 - 62 <br />Chloride 5.0 - 6.0 11 - 13.4 2000 mg/1 <br />Conductivity (uhrtos/an3 1310 - 1530 2270 - 2600 <br />at 25° C) <br />Copper <,02 <, 02 1.0 n5/1 (domestic) .2 mg/1 .5 m3/1 <br />Fluoride ,32 - .42 .49 - .63 1.4 - 2.4 mg/1 <br /> (domestic) <br />Hardness (as CaC03) 93.2 - 181.0 457.0 - 559.0 <br />Iron (total) .31 - 2.94 ,48 - 1.12 7.0 mg/1 1.0 mg/1 (aquati.c) 5.0 mg/1 (agricultural) <br />L~3d <.02 -<,07 <,02 -(.07 50.0 ug/1 (domestic) .1 mg/1 .1 mg/1 <br /> <br />t~esium 1.2 - 7.0 35.8 - 81.0 <br />Manganese <.02 -<,04 <.04 - .23 4.0 mg/1 100.0 ug/1 (marine) .2 mg/1 .2 mg/1 (agricultural) <br />Mercury <,001 <, 001 ,05 ug/1 (aquatic) .00005 <br />hblybdenum <,2 <. 2 <br />Nitrogen - Ammonia <.02 - .87 <.02 - ,90 ,5 mg/1 (darestic) <br />Nitrogen - Nitrate G.02 - .79 .11 - .50 10 mg/1 (darestic) 100 mg/1 10.0 nr7/1 (domestic) <br />pH (range) 7.27 - 9.03 7.4 - 8.37 6.0 - 9.0 5.0 - 9.0 (aquatic) 6.5 - 8.5 <br />Phosphorus, Ortho .O1 - .15 .02 - .16 <br />r <br />Potassium <br />11.9 - 16.5 <br />3.5 <br />- 9.9 <br />'" I-34 <br />