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C� <br />Harprit S. Mattu [EH] <br />From: William Little <wlittle@advgeoenv.com> <br />Sent: Tuesday, October 27, 2015 4:28 PM <br />To: Robert McClellon [EH]; Harprit S. Mattu [EH] <br />Subject: Waste Pile Analysis - Murphy Parkway <br />Attachments: AE509153 btex-report.pdf; AE509153 STLC&TCLP.pdf <br />Robert: <br />The Stockpile pile samples were analyzed for hydrocarbons and CAM17 metals (as presented) and <br />most samples have low values for lead and metals. Most lead (Pb) values were less than 100 mg/kg <br />and only 1 of the sample were above 100 mg/kg. The average waste characterization value for lead is <br />69 mg/kg. AGE additionally analyzed the sample with elevated total copper for STLC and six samples <br />for STLC/TCLP lead. The analysis was conducted to prove the point of contamination did not exceed <br />standards for waste characterization. The STLC values for the samples were 1.47 milligrams per liter <br />for copper and the average of 4.9 mg/I for lead; while the average TCLP for lead was 0.83 mg/I. <br />The work scope now proposed is to dispose the waste pile at the Forward Landfill. <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 />wliftle@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 <br />and privileged information. Any unauthorized review, use, disclosure or distribution of this email/fax is <br />prohibited. If you are not the intended recipient, please contact the sender by email/fax and destroy <br />all paper and electronic copies of the original message. <br />