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1 COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE: Pittsbur¢ & Midway Coal Co CDPS NO.: C -0032638 OUTFACE: 004 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: ~romelas <br />1 TEST RESULTS: LCso: >100% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 0950 AM OS/]6/O] END 0955 AM 08120/0] <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># ~ START OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS: 40 40 40 40 40 39 <br /># ALIVE AFTER 48 HRS: 40 40 40 40 40 39 <br /># ALIVE AFTER 72 HRS: 40 40 40 40 40 39 <br /># ALIVE AFTER 96 HRS: 40 40 40 40 40 39 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. Cl' (mg/I): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: 160 EFFLUENT: 3395 RECON WATER: 120 <br />ALKALIIVITY(mg/I}:RECEIVING WATER i20 EFFLUENT: 110 RECON WATER: 95 <br />pH: INITIAL: CONTROL 8.4 I00°/g EFFLUENT 9.0 <br />FINAL: CONTROL 8.2 100% EFFLUENT 7.9 <br />TOTAL AMMONIA AS N (mg/!): INITIAL 100%: <l.0 FINAL 100%: <1.0 <br />1 WERE ALL TEST CONDITIONS [N CONFORMANCE WITH DIV[SION GUIDELINES? YES <br />+ ~ NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS. <br />l ~_~ <br />• LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: G'~-'^^' ~~=~ <br />COMMENTS: <br />4/14/99 <br />1 Original Cogy Wamrmerte0 <br />For Your Prolaclian <br />F~6B <br />COMMERCIAL TESTING & ENGINEERING CO. <br />LTA <br />