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A-22
<br />TABLE 11
<br />CDOH Yampa Segment 13d (Dry Creek) and 13e (Sage Creek) Standards
<br />FIELD PH 6.5 - 9.0
<br />
<br />AMMONIA, NITROGEN, MG/L A
<br />0.13
<br />ARSENIC, TOTAL REC., UG/L 100.0
<br />BORON, DISSOLVED, UG/L 750.0
<br />CADMIUM, TOTAL REC., UG/L 19.0 (acute)
<br />CADMIUM, TOTAL REC., VG/L 6.2 (chronic)
<br />CHROMIUM, TOTAL REC., IIG/L 16.0 (acute)
<br />CHROMIUM, TOTAL REC., UG/L 11.0 (chronic)
<br />COPPER, TOTAL REC., UG/L 50.0 (acute)
<br />COPPER, TOTAL REC., VG/L 29.0 (chronic)
<br />IAON, TOTAL, MG/L 1.0
<br />LEAD, TOTAL REC., UG/L 281.0 (acute]
<br />LEAD, TOTAL REC., UG/L 11.0 (chronic)
<br />MANGANESE, TOTAL, MG/L 4.738 (acute)
<br />MANGANESE, TOTAL, MG/L 2.618 (chronic)
<br />MERCURY, TOTAL REC., IIG/L 0.2s
<br />NICKEL, TOTAL REC., UG/L 1513.0 (acute)
<br />NICKEL, TOTAL REC., IIG/L 166.0 (chronic)
<br />NITRITE, NITROGEN, MG/L 0.05
<br />SELENIUM, TOTAL REC., UG/L 18.4 (13e only, acute)
<br />SELENIUM, TOTAL REC., UG/L 4.6 (13e only, chronic)
<br />SELENIUM, TOTAL REC., UG/L 60.0 (13d only, acute/chronic)
<br />
<br />SVLFIDE, MG/L C
<br />0.02
<br />SILVER, TOTAL REC., UG/L 22.0 (acute)
<br />SILVER, TOTAL REC., UG/L 3.5 (chronic)
<br />ZINC, TOTAL REC., MG/L 0.379 (acute)
<br />ZINC, TOTAL REC., MG/L 0.381 (chronic)
<br />Acute one day max., Chronic = 30 day average. These values were
<br />taken from Table IV, CDOH Reg. 31, using a mean hardness of 400 mg/1.
<br />A = Standard is 0.06 mg/1 (un-ionized). Detection limit is 0.10 mg/1.
<br />Screening value = 0.13 mg/1 = .06 mg/1 - 45~ (max ionization at pH 9,
<br />30° C)
<br />B = Standard is 0.01 ug/1. Detection limit is 0.2 ug/1.
<br />C = Standard is 0.002 mg/1 (un-ionized). Detection limit is 0.02 mg/1.
<br />
<br />
<br />C~
<br />
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