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r <br /> i <br /> 3Sgl <br /> k r <br /> 11 November 1996 . " <br /> v <br /> r <br /> AGE-NC Pioject Na §6,-0235 <br />{ Page 2 of 3 <br /> 3 2 EQUIPMENT DECONTAMINATION' <br /> All probing rods, sampling tools and sample,liners used for sample collection will be thoroughly <br /> -rinsed,with clean water after washing with a solution of Alco6ox 'F '` '' " J <br /> ' 3 3 r LABORATORY ANALYSIS <br /> h j � <br /> Selected soil samples will be analyzed far Total petroleum hydrocarbons quantified as gasoline'dnd <br /> diesel (TPH=g, TPH-d), volatile aromatics (benzene. toluene, ethylbenzene and xylenes, BTE&X) , <br /> with methyl,tertiaiy,butyl ether(1V1 FBE) and oil and grease in accordance Nkith EPA methods 8015m, <br /> „ 8020/602 ,and 418""1, respectively ',The- laboratory-report, testing methods,'-laboratory`quality <br /> T assurance/quality control (QA/QC) reports and sample chain-of-custody documentation will be <br /> presented in a report with the findings and recon-iniendation's <br /> I +fi r 3 ! <br /> 4 0` , PROCEDURES <br /> A <br /> i4 1 ' SOIL PROBE BORING INSTALLATION AND SAMPLING V <br /> , <br /> The following pioceduies wifl be performed for the installation of probings ' r <br /> 1 Notifv the PHS-EHD at,leas`t 48 hours prior to commencement of any, work <br /> 2 Advance four (4) soil probe boiings at the site to a�pth of approximately 35 feet using a <br /> van-mounted Geoprobe pi,obing unit equipped with 1 25-inch diameter rods The propo56dr 4 <br /> probe boinig locations are depicted on Figure 2 <br /> 3 Decontaminate sampling egi.up hent inion Alconox solution and rinse;with'water prior to r ' <br /> each'sampliaig run' ' <br /> 4 Obtain soil samples at five°foot intervals Samples will be collected using a Geoprobe soil <br /> sampling assembly pre-Ioaded with four 1 125-inch by 6-inch.brass,sleeves - <br /> � 1 , 1 , `1' ,� 1., Ik 3' 11 1 � , + �_ F+.``1... 7 ' •, 1 { ' ♦�t <br /> F ' 5 Preserve soil samples in'the second brass sleeve by coveringr both ends with-Teflon sheets, ' <br /> icapping, andrsealiiig'with tape <br /> 1, ' ` F. <br /> 6 , Label'and log samples on a chaui,of-custody form's'„ <br /> a , ! <br /> i 7 Store samples in a chilled container and transport to,a',State-certified laboratory for analysis <br /> F r F , <br /> Selected soil samples"will be analyzed for'TPH-g,,TPH=d,BTE&X,`MTBE rand oil-and <br /> grease in accordance,with EPA methods 8015m, 8020'and 5520D&F, respectively <br /> ' <br /> S-rY }��p q <br /> ' 1 <br />