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A-21 <br />TAHLE 11 <br />CDOH Yampa Segment 13d (Dry Creek) and 13e (Saga Creek) Standards <br />FIELD PH <br />AMMONIA, NITROGEN, MG/L <br />ARSENIC, TOTAL REC., UG/L <br />BORON, DISSOLVSD, UG/L <br />CADMIUM, UG/L <br />CADMIUM, UG/L <br />CHROMIUM, UG/L <br />CHROMIUM, UG/L <br />COPPER, UG/L <br />COPPER, UG/L <br />IRON, TOTAL REC., MG/L <br />LEAD, UG/L <br />LEAD, UG/L <br />MANGANHSE, MG/L <br />MANGANESE, MG/L <br />MERCURY, TOTAL, UG/L <br />NICKEL, UG/L <br />NICKEL, UG/L <br />NITRITE, NITROGEN, MG/L <br />SELENIUM, UG/L <br />SELENIUM, UG/L <br />SELENIUM, UG/L <br />SULFIDS, MG/L <br />SZLVSR, UG/L <br />SILVER, UG/L <br />ZINC, MG/L <br />ZINC, MG/L <br />6.5 - 9.0 <br />0.13A <br />100.0 <br />750.0 <br />9.1 (acute) <br />1.2 (chronic) <br />1773 (acute) <br />231 (chronic) <br />50.0 (acute) <br />29.0 (chronic) <br />1.0 <br />281.0 (acute) <br />11.0 (chronic) <br />4.738 (acute) <br />2,618 (chronic) <br />0.2B <br />1513.0 (acute) <br />168.0 (chronic) <br />0.05 <br />18.4 (13e only, acute) <br />4.6 (13e only, chronic) <br />60.0 (13d only, acute/chronic) <br />0.02C <br />22.0 (acute) <br />3.5 (chronic) <br />0.464 (acute) <br />0.405 (chronic) <br />Acute = one day max., Chronic = 30 day average. These values were <br />taken from Table IV, CDOH Reg. 31, acing a mean hardness of 400 mg/1. <br />All 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 />B Standard is 0.01 ug/1. Detection limit is 0.2 ug/l. <br />C = Standard is 0.002 mg/1 (un-ionized). Detection limit is 0.02 mg/1. <br /> <br /> <br /> <br />