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I <br /> r <br /> GROUND ZERO ANALYSIS,INC. <br /> 1714 Moir Street <br /> FMIM CU1ilorrVa'95= <br /> Twepbolm s209i a <br /> Facgknik:`M1 RECEIVED <br /> JUN 14 3999 <br /> June 14,1999 MARONMENTAL HEALTH <br /> PERMkT I SER\"CES <br /> Mr,Nfichad Infi m <br /> San Joaquin County Public Health Services <br /> Emronmental Health Division <br /> 304 Fast Weber Avenue,Third Floor <br /> Stockton,CA 95202 <br /> Subject: Workplan for Subsurface Investigation <br /> 330 E.Kettkeman Lin,Lodi,California <br /> Site Code.2267 <br /> Dear Mt.Irdi rna: <br /> This letter report is submitted to prescm a proposed workplan to conduct a subsurface investigation at the <br /> subjea sine(FW=1)in woordance with correspondence from your office dared April 19,1999. <br /> The general scope of work will consist of drilling and sampling two sod borings in the vicinity of the <br /> former fuel dispenser (UM to utvrstigate the vertical and lataecarni of residual soil <br /> contammtioq and preparing a technicd repon that summarizes the methods and results of tate <br /> investigation. <br /> BACKGROUND a <br /> l <br /> The site is currewly operg ed as a lour Bus facility. The facility previously utilized one 10,000- <br /> gallon UST acrd one 12,000-gallon UST for storage of diesel fuel. The USTs and associated <br /> hardware were removed under permit from San Joaquin Courcy Public Heahh Services, <br /> Enviromnental Health Division(PHSIERD)on November 12, 1998. Soil samples collected beneath <br /> the ranks contained no hydrocarbon constiments above laboratory detection limits, except for the <br /> sample collected from beneath the west side of Tank 1 at 14 feet below ground surface(bgs),which <br /> contained 30 para par million(ppb)total petroieum hydrocarbons as diesel(TPHd). However,soil <br /> samples collected beneath the fuel TPHd at 13,000 parts per million(ppm)and xylenes at 3.1 ppm. dJi; 'j-0 lV 0tj {rOU l y <br /> Analytical results arc su rtmarized in'Fable 1. ENVIRONMENTAL HEALTH DIVISION <br /> 304 E. Weber Ave, Third Floor <br /> ti +a P.0. Box 388, Stockton, CA 95201-0388 <br /> Phone: (209)468-3420 <br /> Approved <br /> approved with changes: See Remarks <br /> ❑Disappr ed: See Remarks <br /> Re arks <br /> Date 6- BOtt—7y <br /> Approval of these puns exten s only to that <br /> which is shown and described hereon but <br /> does not authorize or approve any omission <br /> or deviation of requirements of State laws or <br /> Local Ordinances. <br />