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0 <br /> Within the waste handling area trenching has been established and soil samples collected under the waste media, into <br /> native soil (waste free).Additional retrenching and resampling will be conducted to analyze for the full suite of <br /> requested chemicals. <br /> As the site examination is proceeding and finalizing, a questions has developed.To what depth within native below the <br /> waste, does the investigation need to proceed? How many feet under the layer of glass/waste is needed to be <br /> investigated,once native soil types are observed? <br /> AGE has the LEA inspecting each trenching location. <br /> William Little <br /> California Professional Geologist#7473 <br /> Advanced GeoEnvironmental, Inc. <br /> Environmental . Industrial Hygiene . Geotechnical . Contracting <br /> Phone: 800-511-9300 <br /> Fax:888-445-8786 <br /> wlittle@advgeoenv.com <br /> www.advgeoenv.com <br /> This email/fax message is for the sole use of the intended recipient(s) and may contain confidential and privileged <br /> information.Any unauthorized review, use, disclosure or distribution of this email/fax is prohibited. If you are not the <br /> intended recipient, please contact the sender by email/fax and destroy all paper and electronic copies of the original <br /> message. <br /> -----Original Message----- <br /> From: Robert McClellon [EH] [mailto:RMcClellon@sjcehd.com] <br /> Sent:Tuesday,July 21, 2015 3:44 P <br /> To:William Little <br /> Cc: Harprit S. Mattu [EH];Young, Glenn@CalRecycle;Sabra.Ambrose@CalRecycle.ca.gov <br /> Subject: RE: Pilkington Facility, Lathrop, CA <br /> Bill, looking at the drawing this well is not going meet T27CCR 20925 (see below). The well needs to be drilled.The <br /> drawing seems to indicate that it would be installed with push type rig. Robert <br /> 27 CCR 20925: <br /> Monitoring Well Construction <br /> (1) Monitoring wells shall be drilled by a licensed drilling contractor or by a drilling crew under the supervision of the <br /> design engineer or engineering geologist.Wells shall be logged during drilling by a geologist or geotechnical engineer. <br /> Soils shall be described using the ASTM Designation: D2488-84 method for visual classification,Standard Practice for <br /> Description and Identification of Soils(Visual Manual Procedure),which is incorporated by reference. Rock units shall be <br /> described in a manner appropriate for geologic investigation. <br /> (2)A record of each monitoring well shall be maintained by the operator and submitted to the EA upon request.The <br /> record shall include: <br /> 3 <br />