Laserfiche WebLink
_s;, i .. - ,..t1.:.21.•.tS ,„..a. '"7S,r1':,ai. z......-ct..�...._Jc._ss.�'5.:..�a..:.. .. . 'r, .,..... ,. ...4. ...,. ....-. ..., :u,. .... . <br /> Advanced <br /> * GeoEnvironmenta, Inc. -0:- <br /> 29 October 1999 <br /> AGE-NC Project No. 98-0520 Zt Ld <br /> 1 <br /> NOV 8 1999 <br /> Ms.Carol Oz <br /> SAN JOAQUIN COUNTY PHS-EHD ENVIRONMENTAL HEALTH <br /> 304 East Weber Avenue, 31 Floor PERMIT/SERVICES <br /> Stockton, CA 95201 --�– _—� <br /> :-- T At7'H.TXVI nN-�_ <br /> Subject: Additional Site Assessment Work Plan Ad en :304 L' ��12n��'Ave' Third Floor <br /> ] . Box 388, Stoclqpn CA 95201-0388 <br /> BOB'S MUFFLER SHOP Approved <br /> r 466 Moffat Road,Manteca, California Cenied ©: <br /> Conditions <br /> Dear Ms. Oz: 1 . � <br /> Pursuant to your letter dated 16 August 1999,this work plan addendum provides s 1[4 the rigm-phase' <br /> ' of investigation, installation of ground water monitoring wells,as described in,Preliminary Site Assessment <br /> Work Plan dated 30 November 1998 and Preliminary Site Assessment Work Plan Addendum dated 07 <br /> December 1998, both prepared by Advanced GeoEnvironmental, Inc. (AGE). Additionally,this addendum <br /> addresses San Joaquin. County Public Health Services - Environmental Health Division (PHS-EHD) <br /> comments to AGE's Preliminary Investigation and Evaluation Report dated 10 August 1999. The additions <br /> to the Work Plan include the following: <br /> • Basing well locations on the data collected during the Preliminary Site Assessment,AGE proposes <br /> ' to proceed with the second phase of investigation - installation of five ground water monitoring <br /> wells as described in the above referenced, PHS-EHD approved work plan. A site map indicating <br /> the proposed monitoring well locations is attached (See Figure 1). <br /> • Quarterly mo ' orung of all wells,which will commence upon completion and development and will <br /> continue until further directed by the PHS-EHD. In addition to the analytes listed in the approved <br /> ' work plans, ground water samples will be analyzed for 1,2-dichloroethane (1,2-DCA) by EPA <br /> Method 8260 as directed by the PHS-EHD. <br /> WELL SURVEY <br /> ' A well survey was performed to identify city, domestic, irrigation or monitoring water v.,ells and septic tanks <br /> located within a 2,000-foot radius of the subject site. The following is a summary of the findings of the well <br /> survey: <br /> • The City of Manteca Public Works Department (CMPWD) was contacted to identify and locate <br /> ' potential receptors within a 2,000-foot radius of the subject site. According to the CMPWD,there <br /> are three City of Manteca Wells in the proximity of the subject site, City Wells#7, 413, and 419. <br /> 4005 North Wilson Way, Stockton, California 95205 <br /> Telephone(209) 467-1006 FAX(209)467-1118 <br />