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COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br />PERMITTEE: Westem Fuels - Colorado CDPS NO.: CO-0000213 OUTFALL: 011 <br />TYPE TEST: ROUTINE: XX ACCELERATED: SPECIES: C. Dubia <br />TEST RESULTS: LC50: >100% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN: 1130 AM 09/16/08 END: 1130 AM 09/18/08 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 20 20 20 <br /># ALIVE AFTER 48 HRS: 19 20 19 20 19 19 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL Cl - (mg/1) : <0.1 <br />HARDNESS (mg/1): RECEIVING WATER: EFFLUENT: 1936 RECON WATER: 87 <br />ALKALINITY (mg/1): RECEIVING WATER: EFFLUENT: 215 RECON WATER: 55 <br />pH: INITIAL: CONTROL 8.2 100% EFFLUENT 8.3 <br />FINAL: CONTROL 8.2 100% EFFLUENT 8.2 <br />TOTAL AMMONIA AS N (mg/1): INITIAL 100%: -3.0 FINAL 100%: -r2.5 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? NO <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: Sample was received at temperature of 10.5°C. <br />LABORATORY: SGS North America Inc. <br />COMMENTS: <br />ANALYST: Hawkins, Pauley <br />04/08/03 <br />7