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be placed around the well casing from the bentonite to the , <br /> surface. The pipe will be capped with a lock type cap and a <br /> "Christy type" or similar box placed around the wel ad <br /> and cemented in place, flush with the surface . AnarveomweliKki <br /> Q om 1 e a w'i 1 d{eve 1 o tah�e we 11 s b swT'ab�b ng <br /> WWW <br /> ra► b e i o s m s a ar e s 15 <br />' e a survey reference point, t h gh s d►e o she <br /> p otrud ng caIPA ^be M <br />' nU=Iae Qe olpe o era ons , be <br /> c^11 filectMed . n seal to eta c u s, o s e <br /> temp'orari y a _,�o�pAe_ y dis�po ed o •; the disposable <br /> procedure is dependent upon contamination found. Thi <br /> oce ure i 1 e ane � 0 1 •e used waste hef <br /> Groundwater will be sampled and tested after bailing at <br /> least 5 volumes of casing water from the well and the water <br />' level allowed to recover. This will be done by a contract <br /> service known to the EHD (possibly Del--Tech Geotechnical <br />' Services) and witnessed by WJH. An electric type water/ <br /> product level locater will be used. The sample water will <br /> also be tested for pH and the temperature measured as the <br /> wells are bailed About one month later water from the wells <br />' will be sampled and tested again, using the same procedures <br /> Cross contamination will be prevented by using sterile <br /> bailer equipment and on-site cleaning as necessary Water <br /> M samples collected will be placed in sterile containers <br /> supplied by the laboratory that will run the tests, pickled <br /> as necessary, and placed in an ice chest far tra sportation <br /> to the laboratory. a be een he orate same gs, <br />' t, e l aft e l e. a ' ons o he noW hed cas inq .tops •i l be <br /> surveyed. .. <br />' Properot quality control procedures, such as blank <br /> containers and laboratory spike tests will be run. <br />' Al 1 samples ori 11 be test�e'd for BTE•X TPH (G and TYPtH {D) .t° <br /> This testing program shou a sufficient to discover any <br /> Cr," hydrocarbon contaminants . Previous tests did not adequately <br /> d� cover the heavier components, that is the reason for using <br />' bath the TPH-G&D tests . "111es, wiil lbe ru-n to TPR: i , % <br /> R lona g�u,�deZ inesL. <br /> 4" casing is recommended in MW # 1 because an unknown amount <br />' of hydrocarbons leaked from the tanks prior to discovery and <br /> if found floating on the water table will have to be <br />' removed. A larger casing size will enable a larger pump to <br /> be used and lessen removal time . <br /> SAFETY PLAN <br />' A generalized safety plan is attached, which is site <br /> specific as to local health services . JTO, the hazardous <br /> AD <br />'D waste removal contractor, will administer the safety plan. <br />' 5 <br />