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~~ <br />t <br />I <br />Results <br />ADDRESS ALL CORRESPONDENCE TO: <br />COMMERCIAL TESTING & ENGINEERING CO. <br />4665 PARIS STREET, SUITE B-200 <br />DENVER, CO 80239 <br />TEL (3031 3734772 <br />• PRELIMINARY TOXICITY IDENTIFICATION SURVIVAL DATA <br />TEST PROTOCOL CONC. % % SURVIVAL LC w <br /> Hi Blank 100% <br />d <br />T 50 <br />% 90% >100% <br />ation <br />est <br />Baseline Degra 0 <br />75 /0 80% <br /> loo°i° so°i° <br /> H 3 Blank 100% <br />T <br />t 50% 1000% >100% <br />pH 3 Adjustment <br />es 75% 100 /o <br /> 100% 90% <br /> H 11 Blank 100% <br />t T <br />t <br />Ad 50% 100% >100% <br />ustmen <br />H 11 <br />es <br />P 1 75% 95% <br /> 100% 100% <br /> Hi Blank 95% <br />No pH Adjustment and 50% 100% 3% <br />92 <br />Filtration Test 75% 80% . <br /> 100% 45% <br /> pH 3 Control 90% <br />pH 3 Adjustment and 50% 100% >100% <br />Filtration Test 75°k 95°k <br /> 100% 100% <br /> H 11 Blank 100% <br />pH 11 Adjustment and 50% 100% >100% <br />Filtration Test 75% 90% <br /> 100% 90% <br /> Hi Blank 100% <br />No pH Adjustment antl 50% 95% >100% <br />Aeration Test 75% 85% <br /> 100% 55% <br /> H 3 Blank 100% <br />pH 3 Adjustment and 50% 100% >100 <br /> <br />Aeration Test <br />75% <br />100% % <br /> 100% 85% <br /> H 11 Blank - 100% <br />pH 11 Adjustment and 50°k 95°,6 >100 <br /> <br />Aeration Test <br />75% <br />100% % <br /> 100% 55% <br /> Hi Blank 100% <br />SPE C <br />Column Test ° 0 <br />>1 <br />,6 75q, 85 /o % <br />0 <br /> 100% 80% <br />Commercial Testing & Engineering Co. Minerals Services -Corporate Office <br />1979 S. HigMand Ave., Suite 210B, Lombard, IL fi0148- f 1630) 953-9300 116301953-9306 wwwsgs.com <br />Member of the SGS Grvup (3nciN° Gcn6rule °e Survailleneal <br />