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COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE: Mountain Coal Company CDPS NO.: CO-0038776 OUTFACE: 013 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: I~romelas <br />TEST RESULTS: LCSO: >100% STATISTICAL METHOD: Binomial <br />TEST TIIv1E & DATE: BEGIN 1055 AM 10/04/99 <br />DILUTIONS (% EFFLUENT) <br />END 1040 AM 10/08/99 <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 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. Cl " (mg/I): <0.1 <br />• HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 35 RECON WATER: 120 <br />ALKALINITY (mg/I):RECEIVING WATER: EFFLUENT: 1720 RECON WATER: 85 <br />pH: INITIAL: CONTROL 8.3 100% EFFLUENT 8.4 <br />FINAL: CONTROL 7.9 100% EFFLUENT 8.8 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? NO <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: This effluent was received beyond the <br />acceptable holding time. However" this was due primarily to a shipping error on behalfofthe selected <br />courier. <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: <br />• <br />COMMERCIAL TESTING & ENGINEEflING CO. <br /> <br />4/14/99 <br />F-~ Lim <br />Original Watermarketl For V°ur Protection :..a ~.a.. <br />