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tr> _ <br /> 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, Telephone 925-798-1620 Fax 925 798-1622 <br /> Website www mccampbell corn E mail main@Tnccampbell corn <br /> Advanced GeoEnvironmental,Inc Client Project ID West Clay-Ozone BST Date Sampled 04/01/05 <br /> 837 Shaw Road Date Received 04/05/05 <br /> Client Contact Bill Little Date Extracted 04/05/05 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 04/07/05-04/18/05 <br /> TTLC Metals* <br /> Extraction Method SW3050B Analytical Method 6020A Work Order 0504049 <br /> Lab ID 0504049-OOIA 0504049-008A <br /> Client ID Soil Initial Soil Final** Reporting Limit for <br /> DF=1 <br /> Matrix S S <br /> DF 1 1 S W <br /> Compound Concentration mg/Kg pg/L <br /> Aluminum 24,000 25,000 50 NA <br /> Antimony ND ND<O 60 05 NA <br /> Arsenic 59 58 05 NA <br /> Barium 280 270 50 NA <br /> Beryllium 055 0 70 0 5 NA <br /> Cadmium 034 0 33 025 NA <br /> Calcium 5600 6300 100 NA <br /> Chromium 55 53 05 NA <br /> Cobalt 13 12 05 NA <br /> Copper 82 47 05 NA <br /> Iron 30 000 29,000 20 NA <br /> Lead 68 64 05 NA <br /> Magnesium 6900 7100 20 NA <br /> Manganese 390 360 20 NA <br /> Mercury ND ND<O 060 005 NA <br /> Molybdenum ND 064 0 5 NA <br /> Nickel 42 40 0 5 NA <br /> Potassium 1800 1900 20 NA <br /> Selenium ND ND<O 60 05 NA <br /> Silver ND ND<O 60 05 NA <br /> Sodium 980 1200 20 NA <br /> Thallium ND ND<O 60 05 NA <br /> Tungsten ND ND<O 60 05 NA <br /> Vanadium 63 1 62 05 NA <br /> Zinc 78 1 67 J5 0 NA <br /> Surrogate Recoveries <br /> %SS 110 113 <br /> Comments <br /> *water samples are reported in pg/L,product/oWrion-aqueous liquid samples and all TCLP/STLC/DISTLC/SPLP extracts are reported in mg/L, <br /> soil/sludge/solid samples in mg/kg,wipe samples in pg/wipe,filter samples in jig/filter <br /> **Soil final results are based on 17%water content relative to Soil initial <br /> #means surrogate diluted out of range,ND means not detected above the reporting limit,NIA means not applicable to this sample or instrument <br /> i)aqueous sample containing greater than—1 vol %sediment,for DISSOLVED metals,this sample has been preserved prior to filtration,for TTLC <br /> metals,a representative sediment-water mixture was digested,j)reporting limit raised due to insufficient sample amount,k)reporting limit raised due to <br /> matrix interference,m)estimated value due to low/high surrrogate recovery,caused by matrix interference,n)results are reported on a dry weight basis, <br /> see attached narrative <br /> DHS Certification No 1644 Q, C, &/Angela Rydelius, Lab Manager <br />