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A-21
<br />TABLE 11
<br />CDOH Yampa Segment 13e (Sage and Grassy Creeks) Standards
<br />FIELD PH 6.5 - 9.0
<br />AMMONIA, NITROGEN, MG/L 0.13'
<br />ARSENIC, TOTAL REC., IIG/L 100.0
<br />BOAON, DISSOLVED, VG/L 750.0
<br />CADMIUM, TOTAL REC., IIG/L 19.0 (acute)
<br />CADMIUM, TOTAL REC., IIG/L 6.2 (chronic)
<br />CHROMIIIM, TOTAL REC., IIG/L 16.0 (acute)
<br />CHROMIDM, TOTAL REC., VG/L 11.0 (chronic)
<br />COPPER, TOTAL REC., IIG/L 50.0 (acute)
<br />COPPER, TOTAL REC., UG/L 29.0 (chronic)
<br />IRON, TOTAL, MG/L 1.0
<br />LEAD, TOTAL REC., UG/L 281.0 (acute)
<br />LEAD, TOTAL REC., IIG/L 11.0 (chronic)
<br />MANGANESE, TOTAL, MG/L 4.738 (acute)
<br />MANGANESE, TOTAL, MG/L 2.618 (chronic)
<br />MERCIIRY, TOTAL, IIG/L 0.2°
<br />NICKEL, TOTAL REC., IIG/L 1513.0 (acute)
<br />NICKEL, TOTAL REC., VG/L 168.0 (chronic)
<br />NITRITE, NITROGEN, MG/L 0.05
<br />SELENIi7M, TOTAL REC., IIG/L 18.4 (acute)
<br />SELENIUM, TOTAL REC., IIG/L 4.6 (chronic)
<br />SIILFIDE, MG/L 0.02°
<br />SILVER, TOTAL REC., IIG/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 taken
<br />from Table IV, CDOH Reg. 31, using a mean hardness of 400 mg/1. All
<br />acute/chronic values are the 'dissolved' form.
<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 />8 = 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.
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