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~. <br />L16 COMMERCIAL TESTING a ENGIN EE RINO CO. <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Beaz Coal Company CDPS NO.: CO-0044377 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P. promelas <br />TEST RESULTS: LCSo: >I00% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 1000 AM 1 I/19/02 END 0930 AM 11/23/02 <br />DII.UTTONS (% EFFLUENT) <br />MEASUREMENTS 0% 1.7% 25% 50% 75% 100% <br /># START. OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 48 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 72 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 96 HRS: 40 40 40 40 40 40 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI - (mg/I): NIA <br />HARDNESS (mg/1): RECEIVING WATER: EFFLUENT: 540 RECON WATER: 135 <br />ALKALINITY (mg/1): RECEIVING WATER: EFFLUENT: 1810 RECON WATER: 80 <br />pH: INITIAL: CONTROL 8.4 100% EFFLUENT 8.7 <br />FINAL; CONTROL 8.0 100% EFFLUENT 9.0 <br />TOTAL AMMONIA AS N (mgJl): INITIAL 100%: N/A FINAL 100%: N/A <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~ `r <br />~a-~-U <br />COMMENTS: Effluent received discolored (dark amber) Ammonia colorimeter not useful due to effluent <br />discoloration. <br />I <br />a <br />4/14/99 <br />