SITE INFORMATION AND CORRESPONDENCE

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V CD i O W P7 r L- f3 V 1 R V f'1 1', IN 1 P7 L- r i w R -. ' ED F E® 2 2 19§3 ENVIRONMENTAL HEALTH PERMIT/SERVICES 19 August 1992 Mike Burns Doug Enos Petrig Seeds 5413 C :, d liana CA 95304 Tear sirs: At your request, '%M'has reviewed the:analytical data obtained by Pxrsar, Drilling, We understand that the Petrig Seed sic was undergoing a geophysical roves Ligation, when the driller observed discolored soils and hydrocarbon odors in one of the Gore holes. The lab results indicate that gasoline contaminadoa has occunrd in Boring 3 (&3) nm the corner of the site, It is also our understanding that there was a gasoline pump at the corner of 20 to 30 ye= ago, and that is a possible source of the contamin- ation. WHIG has spoken with Paul Pierson, of Pierson Drilling, regarding this site. Mr. Pierson informs us that groundwater is enemntered approximately 12' below the gmund surFace, therdom, indicating that groundwater has beam impacted. WHF advises you to contact the Regional water(duality Control Byard, in U-cramemo, to advise them of the situation. 'Cite letter should be sent to DVI., Cwdo}, Boggs, with a courtesy copy to Seth 'Thayer, at the Regional Board, and a copy to. Diane Hinson, of the San Joaquin County Environmental Health Department. Mie Petrig brothers, who are the former owners, have mored me that the,tank was removed years ago. Since no tank exists, the site Ms under the jurisdiction of the Regional Board; however, any drilling, or excavation activities require permits and notification to San loagiuin County Environmental Health Department. There is not enough information available for us to give you a quote on what the tntai cm of the clew up might be_ However, T will be happy to meet with you to eiz- cuss your options, as veil as your potential Costs.