'tql , :ARI r k i ' r. - A r. ' `,r r -I -, '• 4 ,1 r v '' F x ''.
<br /> - _� � .(.;����IEt � Irr I 9 , ! i , I� f '�. ,.•�I v ° I t + i '$II f' 1tid •,.t
<br /> Quarte 4'S
<br /> + •Lr1Y eport 1Vlarch andJul
<br /> p OI CLEANERS '; ; : ,: „•
<br /> 40 Rard ''ig,
<br /> R�•15 Y �`€ , ,;j µ; ;3 SWCk ln Way
<br /> x
<br /> StOClCtpn�,L'all�Of'II13
<br /> .'�
<br /> ,+ �I INT
<br /> s�, ,i R4DUCTION,AND;SCOPE 4F
<br /> At the r 4
<br /> WORK
<br /> { quest afMr.'Fet
<br /> ter Wallace'
<br /> P
<br /> Prepared this�Quarterly Report de r4pertY.owner,Advance, Ged$nviroimient
<br /> f" California(the'site), Ming field activities at'348 �V aI, Inc, (AGE)has
<br /> est. HardingWaYp Stacicton,
<br /> i The scope of work was to
<br /> sunaundin monitor current•grai,Ind water co'
<br /> sho gs are illustrated izI Fi editions at the site.
<br /> are wn'in,Fi gure''1 -Locarron The site loc4a on,and
<br /> �" '' _• gore 2 -Site' rF 1YIap.�Strucfbres
<br /> plan. and monitoring weI1
<br /> ocatians
<br /> Field'activities at :'the site ,
<br /> Mvestigat on dunde� '` were in accordance k
<br /> Water ground story a with 'guidelines for;'the subsurface ,
<br /> nviro�uality.Control Board(CVRWQ)and h saes established by the Central Valle Regional
<br /> ental-Health DD' Y the San Jaaquin'Co � Y g oval
<br /> rvision(PHS-EHD). " unry Public Health Services
<br /> ::,2.0.' PROCEDURES ;
<br /> };
<br /> -2.41 MONITO 3
<br /> RING,WELL PURGE PROCEDURES
<br /> On 30 March 1998 and 01 Jui ;
<br /> ground water'in 3` I 998;a Solinsf'water Level meter was used.to m
<br /> each relative to the tops of the well casing s.' measure the'deptri to '
<br />,�,•. -'in each well and hydra �
<br /> hY ,aulic gradient were determined from these data(Table
<br /> F� ground water elevation
<br /> .,.After�ground water 1).
<br /> r -
<br /> pure well MW-I dep were measured, a pre-cleaned two-
<br /> g, s .MW
<br /> -2� MW-3I�, MW-4 and MW-S stage submersible pump was used to, '
<br /> During'fi?e,March s
<br /> `volumes) were remov pling event,:approXirrmately I`2. allo
<br /> ed from each well. Temperature, ns of water a' um of three'well
<br /> gallon intervals p ( minim
<br /> g an ICIvI water.arial } P .and conductivity were measwed at 2-
<br /> drams on Monitoring well stabilizat on data and
<br /> water was stored in SS-gallon DOT-a
<br /> and field data sheets'are included i pPmved
<br /> :During the July sam ling.. n APPendi' 'A
<br /> t volumes) were Temaved
<br /> event,, approXirnately.I5 gallons of"i�, r
<br /> we11
<br /> gallon intervals i�sing'an'I MmW each'well Temperature; p aril attlC(a minimum Of three `
<br /> anal H coed we
<br /> dnuns on-site:.IVloriito titer yzer, Purged.tvater tivity re measured at z' '
<br /> rig well stabiIiza osi was.,stored in'SS-gall n ,
<br /> y 1 F{ data and{feld'data sheets�are included DOT=approved
<br /> in'Appen&13,
<br /> = t 4dvQo-ced Geol;nvroumeatal,Ire r
<br />
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