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20 May 1999 <br /> AGE-NC Project.No. 98-0466 ' <br /> Page 5 of 7 <br /> 4.1. SOIL AND GROUNDWATER INVESTIGATION <br /> Samples will be procured for the additional soil and round water investigation-utilizing a.van--. . <br /> mounted Geoprobe probing unit{direct push.technology: DPT} equipped with 1.125-inch diameter <br /> rods and.the appropriate sampling assemble, as described below..,Proposed probe boring locations <br /> are depicted on Figure 2, but may be modified as wary ed by site conditions. Sampling equipment <br /> ` will be decontaminated in an Alconox solution.and rim,ed with water prior to each sampling run. <br /> 4.2. . PREPARATIONS FOR FIELD WORK <br /> Prior to,conducting field work, the following activities will be conducted: <br /> 1. Obtain permits for the soil`borings. _ <br /> 2. Mark boring locations a minimum of 48 hours prior to field work. <br /> 3. Notify Underground Utilities Alert 48 hoursprior to field work to get clearances for boring <br /> locations. <br /> 4.. Notify American Moulding,and. Millwork, In . 48 hours .prior to fieldWork to. obtain <br /> clearances for boring locations.regarding underground structures or utility lines. <br /> 5. Notify_PHS-EHD 48 hours prior to commencernent of.ficld work to schedule inspection. ' <br /> 4.3. COLLECTION OF SOIL SAMPLES = <br /> To preserve soil samples for laboratory analysis and re ord field data: " <br /> 1. Utilize a 2.15-inch diameter soil sampling'asseint ly loaded with four pre=cleaned.1..125-inich . <br /> by 6=inch brass sleeves to collect the samples. <br /> i <br /> 2:: Obtain discrete soil samples at depths designate above. <br /> 3. Upon retrieval of the soil sampler,preserve the sol sample in the.second leading brass sleeve <br /> by,covering both ends with Teflon sheets and pI 3stic end caps, and sealing with tape. <br /> -4� Label -each preserved sample with location, b -ring designation, depth, date, .time and <br /> sampler's initials:. <br /> .5. Store the sannples under ice pending transport u der.chain-of-custody in a chilled ice chest <br /> to a DHS,-certified laboratory for analysis.. <br /> 6. Screen soil sample duplicates for the presence of volatile organic compounds using a photo <br /> Advanced GeoEnvironm'entnl,Inc., <br />