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0 <br /> Brian piper <br /> Shields National Incorporated <br /> ° September 30, 1 <br /> Page 2 <br /> SAMPLIK CO E ON AND ANALYsis MET14ODS <br /> One gMb ash Sample (#201947)wits collected on May 16, 1992. The sample was <br /> submitted to American Environmental Laboratory (AEL) for analysis of metals <br /> and p . The ash sample wft axWy2ed for characteristics of corr®sivity, or pH, <br /> using EPA methods 9045 in accordance with 22 CCA Appendix III, Table 3. <br /> Total metals concentrations for the ash Sample was determined udtizing <br /> inductively-coupled argon PIASMI optical emission spectroscopy (EPA Method <br /> 6010)with the exception of arsenic(EPA Method 7060), mercury(EPA Method <br /> 7471), and selenium (P.PA Method 7740), which were analyzed by graphite <br /> furnace atomic absorption methods. Tie metal analysis- methods are in <br /> accordance with 22 CCR Appendix III, Table 3. <br /> An additional ash sample was collected for aquatic bioassay testing. Aquatic <br /> bloassays were performed on the waste samples in accordance with methods <br /> described in 22 CCA, Section 66261.24 (6). The ole was submitted to <br /> Western Bioassay tAboratories L) (formerly A la ay boratory) for <br /> an acute • i y testfathead. (PimephWat promeka). <br /> Both laboratories,AEL and WBI, are accredited by the California Department <br /> of Health Services. <br /> The waste characterization presented below is based on the data received by the <br /> testing laboratories. <br /> ANALYnCAL RESULTS <br /> A summary of the analytical chemistry results are presented in Fable 1 <br /> (Attachment A). Laboratory analytical chemistry and bioassay results are <br /> presented in Attachment B. <br /> The pH of the ash Sample was determined to be 10.3. <br /> Metals analysis for the ash Sample produced concentrations of arsenic at 0.80 <br /> milligrams per kilogram (mg/ICg), barium at 13.0 /Kg, and zinc at 30.0 <br /> ro� .rtrr <br /> s <br />