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ENVIRtrNMENTAL HEALT i DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> Donna I{.Heran,RE.H.S. Unit Sgpervisors <br /> 304 East Weber Avenue, Third Floor Carl Borgatan,R.E.H.S. <br /> Director 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 /> • c-.. - Program Manager <br /> Foa� Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie Co .H.S. obert McClellan,R.E.H.S. <br /> Program <br /> Man R <br /> ram Manager Fax: (209)464-0138 Mark Barcellos,R.E.H.S. <br /> April 7, 2004 <br /> APR <br /> Comma,,, <br /> J4 <br /> TO: San Joaquin County ' <br /> Nai <br /> Community Development Department at ti416f04 <br /> FROM: San Joaquin County <br /> Environmental Health Department <br /> CONTACT PERSON: Raymond Borges, Lead Senior R.E.H.S., R.D.I. 1� <br /> PHONE NUMBER: (209) 468-3284 <br /> RE: PA-04-77 (GP,Pre-application),Attention: Jennifer Jolley <br /> 2684 East Junction Drive,Manteca <br /> The Environmental Health Department has the following concerns on this pre-application that <br /> need to be addressed: <br /> A. A qualified environmental professional shall prepare a surface and subsurface contamination <br /> report, identifying any potential source of surface or subsurface contamination caused by past <br /> or current land uses. The report shall include evaluation of non-point source of hazardous <br /> materials,including agricultural chemical residues, as well as potential point sources, such as <br /> fuel storage tanks, septic systems, or chemical storage areas. If the report indicates there is <br /> contamination, corrective action shall be taken, as recommended in the report and concurred <br /> with by Environmental Health prior to recordation of Parcel/Final Map (San Joaquin County <br /> Development Title, Section 9-905.12(a)(c)). <br /> B. Environmental Health Department requires a soil suitability/nitrate loading study indicating <br /> that the area is suitable for septic tank usage. This must be performed prior to submission of <br /> a General Plan Amendment (San Joaquin County Development Title, Section 9-1105.2(d)). <br /> A nitrate loading study is required, and a review fee of$465.00 must be paid at time of <br /> submittal to Environmental Health Department. <br /> The sewage disposal system shall comply with the on site sewage standards of San Joaquin <br /> County prior to approval. A percolation test that meets absorption rates of the manual of <br /> septic tank practice or E.P.A. Design Manual for onsite wastewater treatment and disposal <br /> system is required for each parcel. A permit fee of$93.00 per percolation hole is required. <br /> NOTE: The study shall include calculations for second unit dwelling for all parcels. <br />