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A-23 <br />I ~ 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., UG/L ~ 100.0 <br /> BORON, DISSOLVED, UG/L 750.0 <br /> CADMIUM, VG/L 9.1 (acute) <br /> CADMIUM, VG/L 1.2 (chronic) <br /> CHROMIUM, VG/L 1773 (acute) <br /> CHROMIUM, UG/L 231 (chronic) <br /> COPPER, IIG/L 50.0 (acute) <br /> COPPER, UG/L 29.0 (chronic) <br /> IRON, TOTAL REC., MG/L 1.0 <br /> LEAD, UG/L 281.0 (acute) <br /> LEAD, VG/L 11.0 (chronic) <br /> MANGANESE, MG/L 4.738 (acute) <br /> MANGANESE, MG/L 2.616 (chronic) <br /> MERCURY, TOTAL, UG/L 0.2e <br /> NICKEL, UG/L _ 1513.0 (acute) <br /> NICKEL, IIG/L 166.0 (chronic) <br /> NITRITE, NITROGEN, MG/L 0.05 <br /> SELENIVM, IIG/L 18.4 (acute) <br /> SELENIUM, IIG/L 4.6 (chronic) <br /> SULFIDE, MG/L 0.02 <br /> SILVER, IIG/L aa.o (acute) <br /> SILVER, UG/L 3.5 (chronic) <br /> ZINC, MG/L 0.464 (acute) <br /> ZSNC, MG/L 0.405 (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/l. 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 _ 45a (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 />