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Wm. I Hunter & Associates 2220 Loma Vista Dr <br /> Registered Geologists Sacramento, CA 95825 <br /> etroleum & Mineral Appraisers (916} 972-7941 <br /> �' X (916) 972-1683 <br /> November 5, 1993 NOV ] 0 1993 <br /> Harlen Knoll, Sr. REHS ENVIRONMENTAL HEALTH <br /> San Joaquin Co. Public Health Service PERMIT/SERVICES <br /> Environmental Health Division <br /> 445 No. San Joaquin Street <br /> Stockton, CA 95202 <br /> Ref: SOIL, & GROUNDWATER INVESTIGATION WORKPLAN, 6215 TAM <br /> O'SHANTER DRIVE, STOCKTON, CA. SITE CODE 1258 <br /> Dear Harlen, <br /> I am enclosing a copy of the SAR & workplan for placing two (2) <br /> soil/groundwater test borings as agreed too during a meeting <br /> between Mr. Patrick Riddle, representing Normac and Hammertown <br /> Partners, Peter Voskes of Normac, Inc. , and your staff. One tebL <br /> boring will be located on Normac property, (APN 094-050-11 , ) and <br /> the other on the adjacent vacant land owned by Hammertown Part- <br /> ners, (APN 094-050-21 . ) Plates VII & VIII show uneir approximate <br /> locations, the actual sites may vary slightly_ <br /> This workplan replaces the one dated March 10, 1993, which was <br /> not implemented, and has been cancelled The drilling permits <br /> for that work were never approved, and have been returned to my <br /> of f iqe. <br /> I have attached two (2) new drilling permit applications for <br /> completing the work; (one for each parcel, ) with 2 checks in the <br /> amount of $89 00 each. Osterberg & Stewart will perform the <br /> drilling under my supervision. They have equipment capable of <br /> taking continuous cores as desired; I have used that system on a <br /> similar project and it worked quite well Such a technique will <br /> enable essentially all of the soil to be examined, screened, and <br /> preserved for analysis as needed- <br /> I have not yet determined which type of equipment will be used <br /> for obtaining a discreet water sample. The Hydropunch is the <br /> most commonly used due to it' s dependability, and I have used it <br /> successfully on a shallow project in the Tracy area The <br /> drilling contractors I have contacted are also quite familiar <br /> with its' use. The BAT system, while supposedly more definitive, <br /> is considerably less reliable, and often requires excessive <br /> reruns & rig time in order to obtain the desired result I am <br /> doing some research on that equipment in order to be more <br /> familiar with it. I will discuss this matter with you prior to <br /> starting the project. <br /> 1 <br />