Laserfiche WebLink
'Quarterly Report - April 1999 <br /> „ WELDON,CHURCH PROPERTY <br /> . .104 West Beverly iPlacd V _ <br /> Tracy, Califomia <br /> rl 0. )<NTRODUCTION <br /> In,accordance with'the request'of'Mr. Weldon Church" Adti�anced GeoEnviroiuitentaF' Inc' (AGE) _. <br />' has prepared the enclosed Quarterly Report for the site at 104-WestBeverly Place; Tracy; California <br /> ' (the.site)., The scope of Work included.monitoring and' sampling six wells,.obtaining:laboratory <br /> ' analyses of the samples,"and preparation of this report:The site and its-surroundings are illustrated <br /> on Figure 1.•--Location-Map:Locations of structures and-monitoring wells-on the site are illustrated ' <br /> on Figure 2 =Site Plan.. <br /> The -work was.performed, in accordance with San Joaquin ,Comity, Public Health Services <br /> Environmehial:Health,';Division(PHS-EHD) and.CeiitralValley'Region'al Water'Quality;Control- ` <br /> Board guidelines for investigation of iindergraund storage tank•(UST) sites.' ` <br /> Site history and findings from previous investigations and previous monitoring e',ents`at the site"are <br />' detailed inthe Pf;elil7i.inary,Ini,estigatiol7 and:Evaluation,Report-` September 1996 (PIER) prepared <br /> LL _ •by .AGE. These,d.etails were reviewed;for the proposed reconimendations'listed iii,this.quarterly. <br /> report. <br /> 2.0. PROCEDURES ;. <br /> 2.1.. MONITORING.WELL PURGE PROCEDURES <br /> On'06 Aprii.1998, a�Solinst wa r <br /> ter level meter was used to measure the depth to gro' u' nd water,in each" <br /> s;• _Y well relative to,the top of the well casings.'After•grourid-water, depth measurementswerc collected, - " <br /> each monitoring.,well was,purged using'a,two-stage su>ri ersible'pump:'App' oxima'ely 10,gallons <br /> of water were evacuated,,from monitoring;well MW-4';'8 gallons.from m.oiaitoring wells;MWr2'alyd <br /> lower MW-6; 6 gall'ons,from monitoringwells MW-Farad MW,-3,'an&4''gallorns from'MW=5•arid <br /> y <br /> Upper MW-6.-Each of,these volumes:of purge'water area minimum' three well`casing,volumes.far' <br /> a each well.. <br /> Temperature;pH'and conductivlty'were measured at,l+-gallon or 2-galloia Intervals, as appropriate <br /> for each well;using ail,IQM iriodel'52200 water analyzer to`'monitor stabilization".of these ground <br /> -'.water parameters:,Stab iIizat on'data and.fr'eld logs are included in Ap'pendik-A.-Purged'water was ? <br /> temporaiily stored on=site in.•55-gallon''drulrls. <br /> {. <br /> -Advanced-GeoEnvironmental, Inc.' <br /> I" I l • '1 ,• 1, •' 4• _ ', .. ' ' • ' ,• r 1. <br />'sem a" •' , •y (r .. •' -.. <br />