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1`c-~2-~? ]1:;i6bi FF01! 5.~6 K. DENVER !:': <br />aTEGFEN q(]PFg7.pN AND KIRS"EN <br />I-?r. I-iiloe YWtaS <br />December 7, 1993 <br />Pate 2 <br />Sample AC 32/31 and AC 33/53 represent soil liner raatarinl ohtsind from Acre 32 and 33 at <br />BAT tu.ld perrnabillty test No. S2 and 33 loeattans, respectively. Following removal of the <br />plus 'ii-iaeh mltbtrial flora the bulk samples, tba specimens wens pcep~ared ro duplicate the <br />mt~surod field density at the sample location. Sample AC 32/52 exhibited BAT pernuabiliry <br />of 1.2 x 1fJ° em and an average laboratory permeability of 2.4 x 10° em/sec. Sample AC 33!53 <br />sxhibited a BAT permeability of 2.0 x 10~ cm/sec and an average laboratory permeability of 9.4 <br />x lo-'' cw/sec. Comparison of the laboratory and field permeability measurements for these <br />98mplss eanfirms that the BAT apparatus has obtained accurate results for this type of material. <br />If you have any questions or cototncnta regarding these test results. please feel free to give me <br />a call as always. <br />Sincerely, <br />STEPPflN ROBERTSQN AND uiRCTFN (U.S.), INC. <br />~~`~l <br />David Hallman <br />Project Manager <br />DH:Ip <br />Attachments <br />