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(K�LENF-ELDER <br /> 9nght'_P".Right Solutions. <br /> ATTACHMENT C <br /> TYPICAL KLEINFELDER FIELD PROTOCOL <br /> 1 FIELD PREPARATION <br /> Before performing work in the field, environmental staff reviews the scope of work, <br /> prepares a health and safety plan, coordinates the work to be done with their <br /> supervisor, assembles the necessary sample collection equipment, appropriate <br /> containers, and checks, calibrates and cleans equipment to be used in the field. <br /> Underground Services Alert (USA) is also contacted (when appropriate) prior to field <br /> work and is apprised of the marked probe locations and the scheduled date/s of <br /> operation. In addition, a private utility locating firm is sometimes employed to check the <br /> probe locations in the event that USA cannot mark the site (e.g., private property) or an <br /> added level of utility awareness is warranted. <br /> 2 SUBSURFACE SOIL AND WATER SAMPLING <br /> 2.1 Geoprobe and Soil Sampling Procedures <br /> Geoprobes/soil probes (probes) are driven and sampled by a subcontractor to <br /> Kleinfelder. The probes are continuously advanced, generally in 4 to 5-foot intervals. <br /> During advancement of the probes, Kleinfelder collects soil samples for logging purposes, <br /> field screening, and potential chemical analysis. The probes are pneumatically and/or <br /> hydraulically advanced using a core barrel. Soil samples are continuously collected by <br /> inserting a new acetate liner into the core barrel prior to each sampling interval. <br /> Soil samples obtained for potential chemical analyses are collected at desired intervals <br /> by removing the acetate liner and cutting out the desired section. The acetate soil <br /> sample containers are then sealed on each end with Teflon sheeting and tight-fitting <br /> plastic end caps. <br /> 112884.1/ST010R366R Page i of iii October 1, 2010 <br /> Copyright 2010 Kleinfelder Revision 1, dated November 22,2010 <br />