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Ms. 1Vlary lbieays: <br /> May:24..1.994 <br /> Page 3- <br /> The._three.borings located within-buildings:will be drilled=and continuously <br /> logged using a hollow stem auger rig:equipped with-a split spoon sampler. . - <br /> Samples will be-collected-at five foot increments (4:5=.to 5 feet�bgs,v9 5 to_10 feet <br /> t _ <br /> and-14°5 #0=15 feet-bgs) until the_I5-foot total:-depth: s:encountered: -This <br /> sampling.strategy will':be'modified if.eviden— f T' affected soils.is.-observed_ <br /> at intervals other than.the above-noted sampling intervals;-'in this-case, the <br /> -judgment of field personnel will be'used to select at least one sample: that <br /> _appears to exhibit elevated TPH._-concentrations. ~In any case, an attempt will-be- - _- <br /> -made. to collect samples tha#.-reflect arange'of lifho'logies and.concentrations- <br /> and to:sufficiently characterize.the.vertical:concentration profile. A maximum <br /> of three.sampleswill_berollected:at=a-given-boringAocation. <br /> ERIVI,West"s internal Standard Operating�Procedures.(SOPs) for soil sampling <br /> will-be followed;as.summarized:below.' <br /> Sample Collection -.Samples wilLbe collected:using soil=samplers-with. inner <br /> diners.-._Upon retrieval of the sampler, the ffiers:_will-be-removed from the <br /> = :.-sampl7. er.and placed ort a-flat surface lot:-evaluation._.The ends of:each liner <br /> containing:soilIo-be-subthitfed-for-analysis will: be-covered with-Teflon film <br /> before being_covered with plastic caps: - <br />!, <br /> - Sample-Labeling_ Each-sample submitted for-=analysis will:be labeled with.the. <br /> following information - <br /> f _ _ <br /> --- _ Project number-- <br /> i .. -Site/I? ct-iname... _ <br /> • °Sarnple number <br /> • Boring-number and-depth- <br /> • Sainpler's.-=name ..".. <br /> •. Date:-and tme'of_sample=collection <br /> Sample description._ = <br /> • Preservatives;, .arid _-- -- - <br /> • Parameters for analysis:.'- <br /> : Sample'Storaeg and Handling_ The labeled=_liners;will be.�placed in self=sealing_ <br /> plastic bags_in-a cooler with ice=or--frozen•ice packs for storage unhl_they_are <br /> delivered to the"-anal tical'laborafor. Each- coole_will contain a_Chafn of <br /> Custody-(COO form. The individual responsible-for collecting the saiiiple-will <br /> --:sign Ihe--COC form-and°will be-responsible:for completely filling out..-the .forim <br />