Laserfiche WebLink
10 November 1992 <br /> (GaeoAudit CV 30-34E3-1. 47) <br /> Page 2 of 3 <br /> relative water elevation for the monitoring wells was then <br /> calculated by subtracting the depth from the casing elevation. <br /> TABLE 1 --- GROUNDWATER DATA <br /> 23 October 1992* <br /> Relative Relative <br /> Casing Depth to Groundwater <br /> Well No. Elevation Water Elevation <br /> MW-1 98 . 16 61. 12 37_04 <br /> MW-3 97 .93 DRY <br /> MW-4 98. 30 61. 31 36. 99 <br /> MW-5 96. 78 60. 40 36. 38 <br /> * All mesurments in feet <br /> These results indicate that water levels have fallen in all wells <br /> ' since June 1992 . The greatest drop occurred in MW-5 (0. 82 ft) . <br /> However, the relative elevations have remained unchanged, and the <br /> level is still .moi er in. M-W-1 than in MW-4 or MW-5 . �s <br /> t e we o m� rt oti dw�a�tei �� �d ' py t reported in GeoA t' <br /> ,16 ;992 ; • ' Yi a As"se�s`sme-0t R�e;,,Q <br /> TPH as gasoline was detected in all three samples, and <br /> concentrations have risen in MW-4 and MW-5 since the June 1992 <br /> sampling event (Table 2) . Benzene and ethylbenzene were detected in <br /> both MW-1 and MW-4 , and toluene and xylenes were detected in all <br /> three samples. Neither toluene nor xylene were previously detected <br /> ' in MW-5. The laboratory report and chain of custody are attached. <br /> TABLE 2 -- LABORATORY RESULTS <br /> 23 October 1992* <br /> Well No. TP� H-g Benzene Toluene Ethylb_._ Xylene <br /> 1 <br /> ■ -�,. . ., ;; S r.,,4wn'404 <br /> , ;•- +;`"tea;r _: {`� <br /> � 0 ^7 G. 0®0 �8 0 6.. <br /> ,0,25 N10: .00: .6 <br /> r <br /> *All values in milligrams per 1iter klilr <br />