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<cgs onw taw Reti4yesifin Vn,1 i ,%:, S tk dm Jreararaienf MA a �ss€._sstr��^nt, � nderLrebnd Stt[�t e " ank lic ata­,q_w br�rll k�eeBr�'s�id�:ti�arro <br />Services, ��rlrnrM><; r Sieve's Ma'oralhon Service Station F acpdidx in South 1kn d. In dilla'aa 1"LoPage 6 <br />federal agency. All site activities will be done in accordance to the SAP and HASP designed for <br />the project. <br />Prior to investigation activities, Heartland will contact the appropriate utility companies to locate <br />and mark site underground utility conduits/lines. Off -site utilities will also be located if <br />determined necessary. For purposes of this investigation it is not anticipated that the services of a <br />private utility locater will be necessary. <br />Heartland will provide oversight for the advancement of up to eight (8) soil borings on the <br />property. Specific soil boring locations will be determined after consultation with IBP staff and <br />will be outlined in Heartland's SAP submitted prior to initiation of site activities. <br />Soil borings will be advanced using a direct push technology rig. During soil boring installation, <br />soils will be continuously sampled in 2-foot intervals to the base of each boring. Each soil <br />interval will be screened for total photo -ionizable vapors (TPVs) using a pre -calibrated PID <br />equipped with a 10.2 eV lamp. Additionally, each soil interval will be inspected for indications <br />of potential impacts, such as staining, hydrocarbon or solvent odors, and elevated soil gas <br />readings. Observations and soil screening results will be recorded on Heartland boring logs. Prior <br />to sampling, each of the soil borings will be surveyed and located with global positioning system <br />(GPS) coordinates. <br />During soil boring advancement, strict decontamination procedures will be followed to reduce <br />the potential for cross -contamination. All drilling and down -hole sampling equipment will be <br />decontaminated prior to first use onsite, and thereafter between uses. Decontamination will occur <br />utilizing a high-pressure spray washer coupled with wash in an Alconox solution, followed by <br />distilled water rinse. <br />Two soil samples will be collected from each soil boring, at the first encountered subsurface soil <br />interval and at the interval exhibiting the highest field screening results or at the interval <br />immediately above the first -encountered groundwater saturated zone. Soil samples will be <br />submitted for laboratory analysis of VOCs using USEPA SW-846 Method 8260, PAHs using <br />USEPA SW-846 Method 8270SIM and lead using USEPA SW-846 Method 6010B. Laboratory <br />QA/QC samples will be collected for this sampling event. <br />In addition to soil samples, groundwater samples will be collected from temporary 1-inch <br />diameter piezometers installed in each soil boring advanced. Groundwater samples will be <br />submitted for analysis of VOCs using USEPA SW-846 Method 8260, PAHs using USEPA SW- <br />846 Method 8270SIM, lead using USEPA SW-846 Method 6010B and lead scavengers using <br />USEPA SW-846 Method 8011. After collection of the groundwater samples, each of the <br />piezometers will be abandoned and finished to grade. <br />Please note, that for budgetary purposes sampling of soil and groundwater for PAHs and lead has <br />been included in this proposal. However, sampling of PAHs in soil and groundwater as part of <br />the subsurface investigation may be eliminated if, after review of soil confirmation samples <br />