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FILA COPY <br /> ENVIRONMENTAL HEALTH DEPART <br /> MENT <br /> SAN JOAQUIN COUNTY <br /> r; Donna K.Heran,R.E.H.S. Unit Supervisors <br /> ` Director 304 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S.,R.D.I. <br /> Program Manager Telephone: (209) 468-3420 Douglas W.Wilson,R.E.H.S, <br /> Laurie A.cotulla,R.E.H.S. Margaret Lagorio,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert MCCIeIton,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> JOE J MACHADO AUG 2 0 2003 <br /> 24916 S MANTECA RD <br /> MANTECA CA 95336 <br /> RE: Septic System-Drug Lab (UIC) Site Code: PR#0521730 <br /> 20333120329 S. Airport Way FA0014759 <br /> Manteca, CA. 95336 <br /> The above referenced site was placed in the San Joaquin County Environmental <br /> Health Department (EHD) Local Agency Groundwater Protection/Underground <br /> Injection Control Program (UIC) after confirmation that disposal of a chemical <br /> waste to a septic system had occurred. Investigation for the chemical waste <br /> disposed to the septic system has been performed since that discovery. <br /> EHD has reviewed Limited Site Assessment Report (Septic Tank Area) dated <br /> July 1, 2003 submitted by your consultant, Advanced GeoEnvironmental (AGE) <br /> on July 31, 2003 and has the following comments. <br /> The report documented soil and groundwater sampling under and near the <br /> domestic septic tank, distribution box, and leach lines at the above referenced <br /> property. <br /> The laboratory data indicates that no chemicals associated with the drug lab <br /> waste have significantly impacted the soil or groundwater. An inspection of the <br /> septic tank indicated that no cracks or other conditions that would allow leakage <br /> were present. The tank appeared watertight and with the repair of the leach lines <br /> and distribution box, EHD considers the system capable of returning to service. <br /> Based on information in the above-referenced file and with the provision that the . <br /> information provided to this agency was accurate and representative of site <br /> conditions, no further action related to the chemical disposal to that septic system <br /> is required. <br /> Please be advised that this letter does not relieve you of any liability for pollution <br /> not discovered during this investigation. Nor does it relieve you of the <br /> responsibility to clean up existing, additional or previously unidentified conditions <br /> at the site from past, present or future operations which cause or threaten to <br /> cause pollution or nuisance or otherwise pose a threat to water quality or public <br /> health. <br />