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Aman <br /> . Sparger Hazardous Waste Test: Samples AC19258, AC19259, AC19260 August 1993 Page 4 4 <br /> TABLE 2 SUMMARY OF TEST RESULTS: Sparger Sample AC19258 <br /> A. PERCENT SURVIVAL DURING TEST EXPOSURE PERIOD <br /> CONCENTRATION 24 Hours48.Hours 72 Hours' 96 Hours <br /> Lab Control 100 100 100 100 <br /> 250 mg/I 100 100 100 100 <br /> 500 mg/I '` * 95 <br /> 750 mg/I * 100 <br /> B STATISTICAL EVALUATION OF SURV VAL RESULTS <br /> LC50 Value 95%C:)nfidence Limits Statistical Method . . <br /> >750 mg/l Not applicable Direct observation <br /> C. SUMMARY OF WATER QUALITY RAN3ES DURING THE TEST EXPOSURE PERIOD <br /> CONCENTRATION 'REP. Dissol,red Oxygen: pH_ Temperature <br /> 1mg11} <br /> Lab Control A 8.7 - 9.1 7,78 - 7.99 20.3 - 20.5 <br /> B 8.7 . 9.2 7.81 - 8.02 20.3- 20.5 <br /> 250 mg/I A 87 - 9.2 7.86- 8.06 20.3. 20.8 <br /> 8 37 - 9.2 7.89- 8.04 20.3 - 20.8 <br /> 500 mg/I A 87 - 9.2 7.92. 8.27 20.3- 2 0.7 <br /> 1 B 87 . 9.2 7.93- 8.35 20.3-20.8 <br /> 750 mg/1 A 8 7 - 9.1 7.95- 8.36 20.4 - 20.8 <br /> B 8 7 - 9.1 7.96 - 8.36 20.5- 20.8 <br /> D. WATER QUALITY PARAMETERS ME/,SURED AT START OF TEST <br /> CONCENTRATION Alkalinity Hardness: ::Conductivity <br /> mg/I as CaCC3 mg/1 as:CaCO3' : :umhcs/cm. <br /> Lab Control 30 42 142 <br /> 750 mg/1 32 a6 150 <br /> • Tco murky to count survival. <br /> This report IS applicable only to thr;t:ampl•received by the leborator• The uabtIity of the tsboratory is fimIldO to the amount paid for this report-t,,s reoorl is fpr the <br /> exctCs ve ase ci the cacnt to whom rt 5 acoretseC snC jpon the cer aa,on that the Client assumes;lie llabdlty for the further Cistnoutton of the recon or rt5 conienq. <br />