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4.0 PROPOSED SCOPE OF .WORK <br /> 4.1 SITE HEALTH ANIS SAFETY PLAN <br /> 4.1.1 EnviroSearch ,will prepare a Site Health and Safety Plan. . <br /> 4.2 SITE EXCAVATION <br /> 4.2.1 EnviroSearch will excavate both laterally .and vertically until all visual and <br /> P.I.D. readings of contamination have' been -removed. . <br /> 4.2.2 Excavated. soils will be stockpiled on /C, nd composite sampled. <br /> 4.3 CONFORMATION SAMPLING <br /> 4.3.1 EnviroSearch will collect five (5) discrete confirmation samples. -One (1)'from <br /> bottom of excavation and one (1) from each side wall one foot off bottom of, <br /> excavation. <br /> 4.3.2 Samples will be collected.; in brass tubes from excavator bucket. . Tubes will <br /> be sealed-, with teflon end caps and placed on ice for delivery to F.G.L. <br /> Laboratories, a statecertified lab, under_ chain-of-custody. <br /> 4.4 SAMPLE ANALYSIS j <br /> I 4.4.1 EnviroSearch will analyze for total petroleum hydrocarbons .(TPH as gasoline, <br /> Iw benzene, toluene, xylene., and ethyl benzene -(BTX&E). 8015, 8020). <br /> 4.5 EXCAVATION BACKFILL <br /> 4.5.1 EnviroSearch will back fill excavation- withcleanimported backfill after <br /> excavation is determined,..to'be free.of contamination based on laboratory test <br /> results., <br /> . 4.6 STOCKPILED SOIL. REMEDIATION <br /> 4.6.1 Upon receipt of ,stdckpile. soils. analysis a-' remediation plan 'will;; be <br /> implemented if results. received are an :acceptable level. <br />