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gaS01111L estv"cnatLti,—idd;MLs �� rL dCtLLtcd at 01 Ih0Nc tire, labor ttorN 'eportLd dc,tectron limit,, Ott any of the
<br /> suriaci, watcl ,amplts
<br /> On M,11Lh 26 1999 ( uMdot concluc,tcd Best quartel 1999 rnundwater end sautaLe water mon itottn(—, at [ILIman
<br /> & Elelen s Maiuia I aborator\ analytical iesults of the groundwater ,a1111)le5 collected dultrig the first quarter,
<br /> 1999 "nonitoi sag went were cnei all', consistent with histol teal quarterly groundwater analytical data
<br />' (rroundwatct elevation tricaSltlernents L01lei,ted at the site ort March 26, 1999 indicated that the avetage depth to
<br /> grounciwatcr Meas 1pptotttnatLl', S 5 feet below the monitoi well and ,tirtaLc water station measuring points Ihis
<br /> iveragc, dcptli to water is 0 1 lett ,teatei than the. 4n Lrage depth to Ovate: measured on Decembet 30 1995
<br /> (,ioundwattr �-Itvatinn utntours toi March 16 1999 indicated that the Groundwater gradient at the Site was
<br /> ,cncralls uinsistLI1t with the, hrstoriLal oroundwatei gradient
<br /> I aboratory an tlNtiLal r4sult1, of the ',ur taLL watts ,a111ple5 colleLted during the tirst quarter 1999 momturing
<br /> event were. gtneralk Lc7n,tstr.nt with 11IStoi tc,al stir tact watc,r anal)tical data for 1311~X and 1 PH (i M f BE
<br /> however was detected for the first tmie in the sample collc,cted trout IDC W (7 3 µg/l) M I BE was detected in
<br /> samples DDN ind DDS at signrfre.antly htghti tone,entrattons during the first quarter 1999 monitoring event
<br /> (980 and 3 500 p-d ltspettively) than in prior monitoring events Additional ly I AME was dLU Lted for the
<br /> first time tit samples DDN and UDS
<br /> On .lune 30 1999 ( ondor conducteds 9i t
<br /> ti
<br /> second quarter l )9 groundwater and Surface water monitoring at Heenan
<br /> & 11c;Ln s Marina I aboratory analytical results of the groundwater samples collected during the second quarter,
<br /> 1999 monitoring event wire generally LnnsiSttnt w rth historical quarterly groundwater analytical data
<br /> (,roundwatLI elevation nte,asurc.rrttnts e,ollected at rhe. site. on Jli11L 30 1999 indicated that the. averagi, depth to
<br /> groundwater was appriimmately 6 2 fLLt btlirw the inottitor wr_11 and surfaci. water station me.asurrrrg points TMs
<br /> average depth to water is 0 7 tett greater than the avc,rage depth to water measured on Marsh 26, 1999
<br /> (,roundwater elevation Lontours for June, 30 199) tndtcatLd that the, groundwater gradient at the. site is generally
<br /> conslsttnt with the. historical groundwater gradient
<br /> Laboratoty analytical results of the Surface water samples collected during the second quarter, 1999 monitoring
<br /> event were generally consistent with historical surface water analytical data MI BL was detected for the second
<br /> time in the, Sample. collected from 1D(`W (1 4 µg/l) IMTBE was detected in samples DIT and UDS at
<br /> ,igniticantly lower concentrations during the second quarter 1999 monitoring event (5 4 and 1 8 gg/l,
<br /> respetttvely) than in the dist quarter 1999 monitoring event Additionally I AML was not detected in any of
<br /> the Surface water sample during the, second quarter 1999 monitoring event
<br /> On September 23 1999 Condor conducted third quarter, 1999 groundwater and surface water monitoring at
<br /> Herman & lltlen s Martha Laboratory analytical results of the groundwater samples collected during the third
<br /> quartei, 1999, monitoring event were generally tonSisterit with historical quarterly groundwater analytical data
<br /> liowevet benzene and total xylenes were detected for the first time til the groundwater sample collected from
<br /> MW-3
<br /> Groundwater elevation measurements collected at the site on September 23 1999, indicated that the average
<br /> depth to groundwater was approximately 6 5 feet below the monitor well and surface water station measuring
<br /> points I his aver agt depth to water is 0 3 feet greater than the average depth to water measured on June 30,
<br /> 1999 Uoundwatet Llevation contours for September 23, 1999, indicated that the groundwater gradient at the
<br /> site was generally c.onSistent with the histol ical groundwater gradient
<br /> The labotatoiv analytical surface, water sample data for the third quarter, 1999, monitoring event were generally
<br /> representative of historical data, with the exception of the first quarter, 1999 data During the first quarter 1999,
<br />
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