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tow, `✓ <br /> San Joaquin County <br /> °"'" Environmental Health Department DIRECTOR <br /> Donna Heran,REHS <br /> 600 East Main Street <br /> t { Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> S M ti Robert McClellon,REHS <br /> • Jeff Carruesco,REHS,RDI <br /> cq ..�.•�;�° Website: www.Sjgov.org/ehd Kasey Foley, RENS <br /> L�F0R <br /> Phone: (209)468-3420 <br /> Fax: (209)464-0138 <br /> February 3, 2010 <br /> Tom Crashaw <br /> Masonite Corporation <br /> 1955 Powis Road <br /> West Chicago IL 60185 <br /> Subject: Premdor Site Code: 0001329 <br /> 433 West Scotts Avenue <br /> Stockton CA <br /> The San Joaquin County Environmental Health Department (EHD) has received and reviewed <br /> the January 12, 2010, Vapor Intrusion Investigation Work Plan (WP), that was prepared by your <br /> consultant, Advanced GeoEnvironmental Inc., for your above-referenced -site. `The WP <br /> proposes the collection of soil gas samples to evaluate if a potential vapor intrusion hazard <br /> exists to the adjacent apartment complex from residual contaminants released by your former <br /> under ground storage tank system (UST). <br /> The proposed sample collection consists of two samples collected approximately five feet below <br /> grade. One sample is to be collected near the apartment complex building in line with the <br /> former UST excavation. The second sample is to be collected adjacent to the former UST <br /> excavation. The samples will be analyzed using EPA Method TO-17 for total petroleum <br /> hydrocarbons quantified as gasoline (TPHg) and diesel (TPHd); benzene, toluene, <br /> ethylbenzene, and total xylenes (BTEX); and for the leak detector compound, isopropyl alcohol. <br /> The EHD review of the scope of work proposed in the WP found it to be adequate and <br /> necessary to satisfy the Health and Safety Code, Section 25296.10 (c) (3). The WP is approved <br /> by the EHD. The proposed work may begin once a completed permit application and fees for <br /> the borings are submitted to the EHD and the permit is issued. The EHD is to be notified 48 <br /> hours prior to the commencement of any field work. Contact Nuel Henderson at (209) 468-3436 <br /> for any questions you may have on this matter. <br /> Sincerely, <br /> Nuel Henderson, PG Adrienne Ellsaesser, REHS <br /> Engineering Geologist Acting Program Coordinator <br /> c:: James L. L. Barton, CVRWQCB, Underground Storage Tank Unit, 11020 Sun Center Drive <br /> #200, Rancho Cordova, CA 95670-6114 <br /> Tim Cuellar, AGE, 837 Shaw Road, Stockton, CA 95215 <br /> WP Approval Letter 0110 <br />