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<br />T0: <br />FROM: <br />SUBJECT: <br />DATE: <br />US PA REGION VIII TEST REPOR <br />BIOLOGICAL TOXICITY TEST <br />~__. , - - <br />SAMPLING SITE: Purgatoire River NPDES NO.: ---- <br />SAMPLING LOCATION: Pond Discharge TAG NO.: ---- <br />DATE SAMPLED: 3-6-88 DATE TESTED: 3-11-88 <br />TIME SAMPLED: Unknown DATE REPORT: 3-23-88 <br />TYPE OF TEST: Acute Static <br />ORGANISM: <br />AGE <br />NUMBER <br />AVERAGE <br />TEST CONDITIONS: <br />TEMPERATURE <br />PH <br />AERATION <br />CONCENTRATIONS <br />DILUTANT: <br />'Ceriodaphnia' <br />< 29 hours old <br />20 per •concentration <br />21 <br />9.18 <br />No <br />DISS. OXYGEN <br />HARDNESS <br />CONDUCTIVITY <br />5 <br />38 <br />100~,50~,12.5~ <br />Region VIZI filtered fish room water <br />ANALYST: Lazorchak b Rodriguez <br />RESULTS: ACUTE CHRONIC <br />LC50 < i2.5~ LOEL <br />LCI NA NOEL <br />UCI NA MATC <br />COMMENTS: There was 95~ mortality of the test organisms <br />in the 12.5 concentration. <br />~~ <br />~~ <br />C <br />J <br />