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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Unit Supervisors <br /> Donna K.Heran,R.E.H.S. <br /> 304 East Weber Avenue, Third Floor <br /> Director Carl Borgman,R.E.H.S. <br /> Mike Huggins,R.E.H.S.,R.D.I. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> • cq:.. .= a�P• Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> r F o e Laurie A.Cotulla,R.E.H.S. Robert McClellon,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Mark Barcellos,R.E.H.S. <br /> CATHERINE TREVOR MAR U d 400 <br /> JOSEPHINE PEREZ ETAL <br /> 525 CLOUDVIEW DR <br /> WATSONVILLE CA 95076 <br /> RE: Residential Structure / Septic System Complaint#: C019929 <br /> 519 N. Patton Ave ROM 1556 <br /> Stockton, CA. 95215 PR#: 0522351 <br /> San Joaquin County Environmental Health Department (EHD) Local Agency <br /> Groundwater Protection/Underground Injection Control (UIC) Program staff has <br /> reviewed Limited Site Assessment Work Plan dated February 9, 2004 as submitted by <br /> Advanced GeoEnvironmental Inc (AGE) and has the following comments. <br /> '— The plan calls for immediate pumping of the septic tank and containerizing the contents <br /> onsite for treatment to remove the biological hazard. After the contents have been <br /> biologically decontaminated, the remaining chemical liquid/sludge waste will be <br /> transported as Hazardous Waste to an approved treatment facility. EHD approves this <br /> procedure. <br /> .r Also included in the proposal was the washing and rinsing of the septic tank in <br /> preparation for the required EHD inspection. The rinseate for this procedure will be <br /> added to the previously collected chemical waste. EHD approves this procedure. <br /> Please provide EHD with 48-working hour notice for the tank inspection. <br /> To verify the extent of the contamination introduced into the septic tank, soil borings will <br /> be advanced into the native soil for soil sample collection. The samples are to be <br /> collected 1 to 2-feet below the septic tank, the distribution box (d-box), and every 20 <br /> linear feet of each leach line by GeoProbe push-point equipment. Soil samples are to be <br /> analyzed for Total Petroleum Hydrocarbons as gasoline, diesel, oil & grease (TPHg, <br /> TPHd, TPHo&g) by EPA Method 8015m and Total Recoverable Petroleum <br /> Hydrocarbons (TRPH) by EPA Method 418.1. Additionally, Volatile Organics by EPA <br /> Method 8260b (full scan, report all peaks) and pH by EPA Method 150.1 will be <br /> analyzed. <br /> EHD approves the proposal with the following inclusion. Methamphetamine by EPA <br /> Method "HPLC-UV by USP #24" is to be added to the laboratory analyses for the <br /> following soil samples. EHD will require the septic tank and D-box soil samples and the <br /> first and last soil sample of each leach line to include this test. <br /> i <br />