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i <br /> GeoAnalytical Laboratories, Inc. <br /> CERTIFICATE OF ANALYSIS <br /> Report#: F109-09 <br /> Sample ID: 796-S1ab1-C1 <br /> Lab ID: F20653 <br /> Initial 04/21/94 Control 250 mg/L 400 mg/L 300 ma 600600 m 750 mg//L <br /> pH 6.76 6.82 6.86 6.79 6.97 6.94 <br /> D.O. 8.05 7.79 8.10 7.60 7.68 7.65 <br /> Temp 20' C 20° C 20' C 20° C 20' C 20' C <br /> 24 hrs 04/22/94 <br /> pH 6.53 6.65 6.75 6.84 6.78 6.77 <br /> D.O. 7.60 7.47 7.98 7.89 7.88 7.70 <br /> Temp 21` C 21' C 21 ' C 21' C 21' C 21° C <br /> Mortalities 0 0 0 0 0 0 <br /> 48 hrs 04/23/94 <br /> pH 6.84 6.94 7.04 6.98 6.99 6.91 <br /> D.O. 6,63 7.08 7.57 7.55 7.58 7.11 <br /> Ternp 21' C 21 ' C 21' C 21' C 21 ' C 21 ° C <br /> Mortalities 0 0 0 0 0 0 <br /> 72 hrs 04/24/94 <br /> pH 6.65 6.96 7.05 7.11 6.85 6.86 <br /> D.O. 6.54 7.27 7.50 7.43 7.36 7.09 <br /> Temp 21` C 21' C 2V 21' C 21' C 21 ' C <br /> Mortalities 0 0 0 0 0 0 <br /> 96 hrs 04/25/94 <br /> pH 6.90 7.01 7.27 7.22 7.17 7.09 <br /> D.O. 6.45 6.73 7.88 7.26 7.20 6.69 <br /> Ternp 21' C 21 ' C 21' C 21' C 21' C 21 ' C <br /> Mortalities 0 0 0 0 0 0 <br /> Total <br /> Mortalities 0 0 0 0 0 0 <br /> Craig <br /> rai ogres Donna Allsu <br /> g P <br /> Bacteriological Dept. Head Certification # E757 Laboratory Director <br /> - <br /> Page 2of2 <br />