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4.0 PROPOSED SCOPE OF WORK <br /> 4.1 SITE HEALTH AND 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 A/C and composite sampled. <br /> 4.3 MATION 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 state certified lab, under chain-of-custody. <br /> 4.4 SAMPLE ANALYSIS <br /> 4.4.1 EnviroSearch will analyze for total petroleum hydrocarbons (TPH as gasoline, <br /> benzene, toluene, xylene, and ethyl benzene (BTX&E) 8015, 8020). <br /> 4.5 EXCAVATION BACKFILL <br /> 4.5.1 EnviroSearch will back fill excavation with clean imported backfill after <br /> excavation is determined to be free of contamination <br /> co,,ntamination based on laboratory test <br /> results. U0 \011I �Wl \10 I. <br /> 4.6 STOCKPILED SOIL REMEDIATION <br /> 4.6.1 Upon receipt of stockpile soils analysis a remediation plan will be <br /> implemented if results received are an acceptable level. <br /> �' II <br />