work plan - surficial soil sampling at allendale school · and placed into a certified pre-cleaned...
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Memorandum
TO: Dean Tagliaferro, USEPAK.C. Mitkevicius, CENAE
cc: Holly Inglis, USEPA
FROM: Tom Czelusniak DATE: November 28,2005
PROJECT: PittsfieldSSERC-TO4 W.O.NO.: 20124.001.098SUBJECT: Work Plan - Surficial Soil Sampling at Allendale School
DCN GE-112805-ACZE
This memorandum has been prepared to serve as a Work Plan for surficial soil sampling atAllendale School. EPA has requested that WESTON collect soil samples in order to assess PCBconcentrations at depths of 0 to 3 inches at selected locations on the school grounds. This WorkPlan includes descriptions of the following:
• Objectives• Rationale for selection of sampling locations• Field sampling procedures and description• Laboratory analytical procedures
The activities described in this plan will be conducted in accordance with project-wide and areaspecific planning documents. These planning documents include the following:
• Project Field Sampling Plan• Project Quality Assurance Project Plan and Addendum (QAPP)• Project Health and Safety Plan (HASP)• Site Specific Health and Safety Plan
Objectives
The main objective of the proposed sampling is to assess PCB concentrations in surficial soils onportions of the Allendale School grounds remediated by GE in 1999.
G:\PROJECTS\TASK ORDER 4\Allendale School\surf soil sampling WP.doc
Rationale for Selection of Sampling Locations
Figure 1 depicts the final limits of the 1999 remediation. Figure 2 depicts the approximatelocations of the nineteen proposed soil sample locations on the Allendale School property.Sample locations were selected to provide broad coverage of the remediated portions of theAllendale School playground. Final sample locations will be selected by EPA at the time ofsampling.
Field Sampling and Analytical Procedures
Soil sampling will be conducted using dedicated disposable and certified pre-cleaned plasticscoops and bowls. At each location, a disposable scoop will be used to collect an aliquot of soilfrom 0 to 3 inches below grade. The soil will be placed into a disposable bowl, homogenized,and placed into a certified pre-cleaned 4 ounce amber sample jar for submission to the laboratory.Following collection, each sample location will be marked with a 2" x 2" flush to grade woodenhub stake and surveyed by a licensed surveyor.
All soil samples will be analyzed at the EPA New England Regional Laboratory for PCBs inaccordance with EPA Method 8082 with a reporting limit of 0.1 parts per million (ppm). QA/QCsamples will be obtained in accordance with the requirements outlined in the project QAPP andAddendum and will consist of one field duplicate and one matrix spike/matrix spike duplicate.
Weston will prepare a final report summarizing sample results which will include a figuredepicting final sample locations.
Schedule
Sampling will be initiated as soon as practical. The sampling is expected to be completed in onework day.
G:\PROJECTS\TASK ORDER 4\Allendale SchooIWf soil sampling WP.doc
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