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11/30/2004 11:53 2094683433 FIFTH FLOOR PAGE 08 MINIMUM VERIFICATION LABORATORY ANALYSIS OXYGEN TANK TANK TPH-G TPH-D BTX&E CL HC TOTAL MTBE ATES METAL PCB CONTENTS 8015 8015 800 8010 LEAD 8020 (KME, ICRP/ 8270 8260 8260 8260 8240 7420 8260 TRADIPE. AES or 8080 $260 7421 ETBF- AA TAME) 8260 LEADED GAS X X X X LJNL GAS X X X DIESEL X X KEROSENE X X X UNK FUEL X X X X X PROD, OIL X X X CHLOR. X SOLVENTS X X NONCHLOR X SOLVENTS X X NVASTE\ USED OIL X X X X X X X All analysis methods are the designated EPA methods&wnbed in SW 946,Third Edition. Those methods not found in SW 846 are specifically noted below. Refer to the"SNMCB LLTFT Field Manual",Appendix D(B),Table 3-5 on page A20 for minimumdetection limits for motor vehicle fuel (gasoline and diesel). Refer to -Tri-Regional Board Staff Recommendations for Initial Evaluation and Investigation of UST's"for the waste and motor oil mininiun detection bruits. Detection Limits that remain below the MCI,,STLC or Allowable Lintit pf the contaminant in question will be accepted,however taborqtory shall utilize the most conservative method. LABORATORY ANALYSES TERMINOLOGY: TPH-G Total Petroleum Hydrocarbon,Gasoline,GCIFID(5030)9015 mod orGC(MS 8260 TPH-D Total Petroleum Hydrocarbon,Diesel,CYCIFID(3550),8015 mod orGCJMS 8260 BTX&E Benzene,Toluene,Xylene&Ethyl Benzene,GC(Pll)8020 or ODMS 8260 CL HC Chlorinated Hydrocarbon,GC(HSDBOIO,GCfMS8240or8260 TOTAL LEAD Total lead,A.A.7420, AA 7421 or ICP-AES 6010 OX-yagNATES MTBE,ETBE,TAME,DIPS,&TBA GC/MS 8260(For MTBE screen only you may use 8020) METALS ICRP or AA Inductively Coupled Plasma Atomic Emission Spectranxtry 6010 or Atomic Absorption Spectrometry 7000. Metals: Cadminn4 Chromium III and VI,Lead,Zine and Nidwl. pcZ Polychlorinated Biphenyls,GC/MS 9270 or 8080 GC-FID Gas Chromatography,Flame Ionization Detection Method 3050 Acid digestion Method 3540 Soxhlet sample preparation Method 3550 Sonication sample preparation,extraction method Method 5030 Purge and trap sample preparation QA/QC Quality Assurance/Quality Control Notes: To avoid false positive detection of benzene,benzene-fret solvents are to be used. Fused capillary columns at preferred to packed columns;a packed column may be used as a"first cut"with"dirty"samples or once the hydrocarbons have bccn characterized and proper QAJQC is followed. For drinking water sources,EPA recommends that the 500 series for volatile organic should be used in preference to the 600 series because the detection limits are lower and the QA/QC is better. Samples exhibiting any level otheavy metal contamination may require ffirther analysis.PHS-EHD recommends holding those samples until disposal is indicated. EH 23 046 (Revised 05/09/00)