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4 <br /> will 111tc, !�c anlllymil for hcrtrcr,c, lulaenc, Ind xylene. by EPA Mcthtxl 11(120, The samples <br /> will he do.livered to I?ureka Anlllylleol. 1,11horutory Irl Srlcrimicitto within 48 hours of <br /> Volicellon. <br /> All drill Clrtllnus will tte cncapsuinled In 110h0hylr.nc plaslic on site pending laboratory <br /> rinalylleal results, <br /> QUALITY AS1,14114ANCE, PLAN <br /> The lumcdutcs of clic quulliy 11xs11It111j'r. 1111,11 for sample collection, identification, <br /> 1n111111111H, and analysts are described below, <br /> Sample Coiltwilon 111111 1111111fibrg <br /> Pioper collcction and handling ar 0smitilal to empro the quality of the sample. All <br /> sanlplce will he collected by experienced Mild IW8011110 using suitable cuotainers which <br /> have been preclenitcd at the laboratory. Tho contalners will be clearly marked and dated <br /> For Icicittifictlllon, All samples will he act)kJ and x1ored for analysis no longer than the <br /> 111axitnum allownble holding time, <br /> ,811111ple itlentirlcallan and Clio In•or•Crtytody,'Procedure~ <br /> Thm proecdtiro;t enauro stimple llltagrity� and document sample possession from the <br /> time or collectlion to it8 ultituato disposal. lia!'11 aanlpin containersubmitted for analysis <br /> will 1111V0 11 111M affixesl to idenlify the job '.n11nibCr, sampler, date of sample collection, <br /> and a sarnle number llnlque to that sarllpie, 11119 Infortnation, in addition to a description <br /> of the sample, field nlCnsurcnlCrtts, stlnlpling 111010(10108y, names of on-site personnel, and <br /> nrly other 1?ertlrlcnt 11Cld observations, will be: <br /> mcordcd on the boring log or in the field <br /> records. <br /> A chain•of•custotly cart, (Figill0 2) will bio ux:d to record possession of the sample 3 <br /> from time of collection to Its arrival at lite lal`toratory. The sample control officer at the <br /> labnrntory will vCrifv Maniple Integrity and c4;,tlfirin Ihat It was collected in the proper <br /> conlallter, preserved cormcily, and drat there IN 1111 adequutc volume for analysis. If these <br /> cuntlituns tire ttlet, tile sttnlplo will Iso usxlgu;rcl a unigttc log number for identification <br /> throughout imalysis and reltorthlll, '1110 satztpI�n demuription, date received, client's name, <br /> and tiny ulnar relevant infor11u1tioll will also be mcordcci• <br /> i?cctlttplrttlnalinn Procedures <br /> To prevent cru8s•cor11i1minatt0n, 1111 8011 Na111pling equipment will be washed with <br /> laboralory•grada detergent and rinsed with tap Willer b0forc sampling. Downhole drilling <br /> -- --- �— ---------CSlltillnlpnt-.wlEi-.11o-acs"at11•L1ClIrICti-bcforo-Uec--In c11�11-11c1rebSllc.-_ -- — ----------- ---- <br /> l <br />