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SOP No. 240 <br /> Page 1 of 3 <br /> STANDARD OPERATING PROCEDURE NO. 240 <br /> DIRECT PUSH SOIL SAMPLING <br /> 1. INTRODUCTION <br /> 1.1 Overview <br /> This Standard Operating Procedure (SOP) was prepared to direct field personnel in the <br /> methods for conducting direct push technology (DPT) soil sampling activities. <br /> This SOP will be implemented in accordance with the following governing documents: <br /> • R1/FS Work Plan, which provides an overview of the site background and <br /> conceptual model and describes the overall investigative goals and scope of <br /> work for the RI/FS; <br /> • Health and Safety Plan (HASP), which identifies all physical, chemical, and <br /> biological hazards relevant to each field task and provides hazard mitigators to <br /> address these hazards; <br /> • Field Sampling Plan (FSP), which provides details for field sampling locations <br /> and procedures and which will be most frequently used by field staff on-site; <br /> and <br /> • Quality Assurance Project Plan (QAPP), which is written to establish protocols <br /> necessary to ensure that the data generated are of a quality sufficient to ensure <br /> that valid conclusions are drawn from the site characterization. <br /> 1.2 Objective <br /> The objective of DPT soil sampling is to collect subsurface soil samples at depth- <br /> discrete intervals. <br />