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11/02/2001 10:47 9166813631 GEOFON INC PAGE 10 <br />MEqMUM VFRMCATION LXBORATORY ANALYSIS <br />OXYGENATES <br />P14 -D BTX & CL HC TOTAL MTBE (MTB6- MUALS PCB <br />TANK TANK TPII-G T TBA.DIPR. ICRP/ 8270 <br /># CONTENTS 8015 <KI 5:k 8020--, 8010 LEAD 8020 ME. AES <br />8260 8260 <10):, 8240 74-20 8260 TAME) or 8080 <br />8260 7421 3260 AA <br />LEADED GAS X X X__X <br />UNL GAS X X X <br />DIESEL X X <br />KEROSENE X X <br />UNK FUEL X Al X X X <br />PROD, OIL X X <br />CHLOR. X <br />-SOLVENTS X X <br />NONCHLOR X <br />SOLVENTS X X <br />WASTE\ x <br />USED OIL X X <br />I 111� LLLLL <br />All analysis methods are the designated EPA methods described In EPA SW 946, Third Edition. Those methods not found in <br />SW 846 are specifically noted below. Refer to the "SWRCB LUFT Field Manual", Appendix D (B), Table 3-5 on page A20 for <br />minimum detection limits for motor vehicle fuel (gasoline and diesel). Refer to "Tri -Regional Board Staff Recommendations for <br />Initial Evaluation and Investigation of UST's" for the waste and motor oil minimum detection limits. <br />Detection Limits that remain below the MCL, STLC or Allowable Limit of the contaminant in question will be accepted, <br />however laboratory shall utilize the most conservative method. <br />LA130P,ATORY ANALYSES TERMINOLOGY; <br />TPH-G Total Petroleum Hydrocarbon. Gasoline. GC/FID (5030) 8015 mod or GC/MS 8260 <br />TPH-D Total Petroleum Hydrocarbon, Diesel, GCIFID (3550), 8015 mod or GUMS 8260 <br />BTX & E Benzene, Toluene, Xylem & Ethyl BeAzene, OCIPID 8020 or GCJMS 8260 <br />CL HC Chlorinated Hydrocarbon, GCfHSD 8010, GCIMS 8240 or 8260 <br />TOTAL LEAD Total lead. AA 7420, AA 7421 or ICP -AES 6010 .8020) <br />OXYGENATES MTBE, ETRE, TAME, DIPS, & TBA GC/MS 8260 (For MTBE screen only you may use <br />METALS ICA? or AA Inductively Coupled Plasma Atomic Emission Spectrometry 6010 or Atomic Absorption Spectrometry 7000. <br />Metals: Cadmium, Chromium III and VI, Lead, Zinc and Nickel. <br />PCB Polychlorinated Biphenyls, GCNS 8270 or 8080 <br />45C -FID Gas Chromatography, Flame Ionization Detection <br />Method 3050 Acid digestion <br />Method 3540 Soxhle, sample preparation <br />Method 3550 50riiCadon sample preparation, extraction method <br />Method 5030 Purge and trap sample preparation <br />QA/QC Quality Assurance/Quality Control <br />Notes: To avoid false positive detection of benzene, benzene -free solvents are to be used. Fused capillary columns are preferred to packed <br />columns; a packed column may be used as a "first cut" with "dirty' samples or once the hydrocarbons have been characterized and proper <br />QA/QC is followed_ <br />Fordrinking water sources. EPA recommends that the 500 series for volatile organic should be used in preference to the 600 series because the <br />detection limits are lower and the QA/QC is better. Samples exhibiting any level of heavy metal contamination may require further analysis. <br />PHS-EHD recommends holding those samples until disposal is indicated_ <br />BH23046 (Revised 08/13199) Page 8 <br />