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<br />COMMERCIAL TESTING & ENGINEERING CO. <br />s ~~E ~~ COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE: Seneca Coal Company CDPS NO.: 00.0000221 OUTFACE: 016 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C dubia <br />TEST RESULTS: LCso: > 100% STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN 1105 AM 07/09/02 END I O10 AM 07/11/02 <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 17 20 19 <br /># ALIVE AFTER 48 HRS: 20 20 20 17 20 I S <br /># ALIVE AFTER 72 HRS: <br /># ALIVE AFTER 96 HRS: <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI " (mg/1): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 875 RECON WATER: 130 <br />ALKALINITY (mg/I):RECEIVING WATER: EFFLUENT: 320 RECON WATER: 85 <br />pH: INITIAL: CONTROL 8.3 100% EFFLUENT 8.3 <br />FINAL: CONTROL 8.3 100% EFFLUENT 8.5 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: X1.0 FINAL 100%: X1.0 <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: <br />COMMENTS: <br />4/14/99 <br />