SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

St. Francis Motel — UIC page 2 5708 N. Hwy 99 Frontage Stockton, CA. In addition to the soil samples proposed in the work plan, a soil sample is required every 20 linear feet of leach line discovered for this septic system and one from beneath the seepage pit, "60" Diameter Pit, 25'Deep (07/1993)", between 25 and 27 feet deep below the surface in native soil. The EPA Methodology included in the work plan is to be changed to include only the following: • Soil samples below the septic tank, D-box, leach lines, and seepage pit are to sampled for VOCs by EPA Method 8260B and TPH as gasoline and TPH as diesel by EPA Method "LUFT GC/MS" (as listed in Precision Enviro-Tech Analytical Laboratory sheets October 29, 2004, submitted to EHD from the previous UIC investigation by others)and, • The onsite water supply well is to be annually sampled for EPA Method 524.2 and the results submitted to, "EHD—PWS, attention Adrienne Ellsaesser, 304 E.Weber St, Stockton, 95202". EHD interprets the sensitive receptor survey within 250-foot radius of the site to be for the purpose of sampling the well in the adjacent parcel to the south noted in the EHD field inspection on April 4, 2005. EHD considers a survey as unnecessary at this time. If the soil sample from below the seepage pit(located closest to this well) detects VOCs or petroleum contamination, then access to this well should be obtained for a water sample. Additionally, EHD must visibly inspect the"1996-2000 gallon"septic tank for cracks and verify that it is in acceptable condition. Without an acceptable visual inspection, EHD cannot issue a letter stating the investigation/remediation of the UIC system was adequate and the site will remain on the UIC contaminated database. Please have the contents of the septic system remove so it is dry and easily assessable. The concrete lids must be removed for the inspection. In order to keep the tank dry, there must be no disposal of liquid waste into it. The water and waste produced by the cleaning must be disposed of properly. The septic tank contents are to be sampled and analyzed. The results of the analyses will determine if the contents may be disposed of at a municipal wastewater treatment plant or if another disposal action is required. A copy of the waste transport receipt that shows the facility receiving the waste is to be included in the SAR submitted to EHD at the end of the investigation. Thank you for your continued concern and cooperation. Please ensure that your consultant, Stephen Muir Consulting, is involved in all site activities so that they are documented. EHD must be onsite for all soil sampling collection. In order to minimize oversight charges by return visits for re-inspections, please ensure that the septic tank, lines, and pits are exposed and ready to sample when EHD is present and that the septic tank is dry. A boring permit and $89 fee is required for the GeoProbe soil sampling if you plan on continuing with this procedure and it should be submitted with any updates to the work plan. Please have your consultant contact Michael Infurna at (209)468-3454 to set the appointment dates and times for the required inspections or if he has any procedural questions. Donna Heran, REHS, Director Enviro mental Heal ep rt e t Michael J. Infurna Jr., rior EHS Margare agodo, RE UIC—Site Mitigation Unit IV Supervisor c: EHD-Unit V— Muniappa Naidu. c: EHD-Unit IV/ PWS—Adrienne Ellsaesser c: Stephen G. Muir—PO Box 152,Woodbridge, 95258 c: USEPA WTR-9—E. Janes, 75 Hawthorne St, San Francisco, 94105