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COLORADO - CDPS W ET TEST REPORT FORA1-ACUTE <br />PERMITTEE: Pittsburg & Midway Coal Co. CDPS NO.: <br />OUTF'ALL: 004 <br />TYPE TEST: ROUTINE: }OC ACCELERATED:- TEST SPECS: ~romelas <br />TEST RESULTS: LCso: >100% STATISTICAL METHOD: Probit <br />TEST TIl~tE & DATE: BEGIN 1040 AM l l/13/01 END 1145 AM 11/17/01 <br />DILUTIONS (% EFFLC7EM') <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 39 40 40 <br /># ALIVE AFTER 48 HRS: 40 40 40 39 40 40 <br /># ALIVE AFTER 72 HRS: 40 40 40 39 40 40 <br /># ALIVE AFTER 96 HRS: 40 40 40 39 39 39 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. Cl " (mv,~l) <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: 100 EFFLUENT: 3145 RECON WATER: 110 <br />ALKALiMTY (mg/I): RECEIVING WATER: 95 EFFLUENT. 55 RECON WATER: 85 <br />pH: INITIAL: CONTROL 8.1 100%EFFLUENT 8.7 <br />FINAL: CONTROL 7.2 100% EFFLUENT 6.9 <br />TOTAL AMMOMA AS N (mg/I): RYITIAL 100%: <I.0 FINAL 100°./0: <LO <br />WERE ALL TEST CONDITIONS IN CONFOR)\'fANCE WITH DIVISION GUIDELQYES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMNtERC[AL TESTING & ENGINEERING ANALYST <br />COMMENTS: <br />i~ <br />~~ <br />4/14/99 <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />F~6° L~~ <br />r"riginal WatermarMeo For Y°ur Protection , ~e ~~~ <br />