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*E1 <br /> LIQUID LEVEL DATA <br /> SHELL SERVICE STATION <br /> 6131 PACIFIC AVENUE,STOCKTON CALIFORNIA <br /> (Measurements in feet) <br /> Depth to <br /> Reference Floatcng Thickness of <br /> Monitoring Elevation Depth to Liquid Groundwater Floating Liquid Well <br /> Well Date (top of casing)' Groundwater' Hydrocarbons' Elevation Hydrocarbons Depth <br /> MW-1 02/26/92** 101 59 5475 --- 4684 -- 6460 <br /> 05/12/92** 5598 --- 4561 --- 6470 <br /> 07/08/92** l Dd j 5669 --- -44-90 t3� -- 6460 <br /> 10/15/92** 5789 --- 470 y1 .4. --- 6460 <br /> 01/11/93**t 5589 -- --45-70 --- 6462 <br /> yY, ;- <br /> MW-2 02/26/92** 10033 5439 -- 4594 --- 6480 <br /> 05/12/92** 5560 4473 6490 <br /> 07/08/92** 5634 -- 4399 --- 6480 <br /> 10/15/92** 5754 --- 4279 -- 6480 <br /> 01/11/93**" 5554 --- 4479 — 6477 <br /> MW-3 02/26/92** 101 65 5565 5564 46 01* 001 --- <br /> 05/12/92** 5695 5694 44 71* 001 --- <br /> 07/08/92** 5768 5767 43 98* 001 --- <br /> 10/15/92** 5995 5849 42 80* 146 -- <br /> 01/11/93***# FLH FLH FLH FLH <br /> I <br /> NOTES = Measurement and reference elevation taken from notch/mark on top north side of well casing <br /> ` = Elevation referenced to an arbitrary benchmark <br /> Not measured <br /> = Corrected groundwater elevation CDTW= DTW (SP G x LHT) <br /> CDTW= Corrected depth to water <br /> DTW= Measured depth to water <br /> SP G =Specific gravity unweathered gasoline=0 75 diesel=0 80 <br /> LHT=Measured liquid hydrocarbon thickness <br /> ** = Data collected by Emcon Associatesof Sacramento California <br /> '*' = Data collected by Blaine Tech Services, Inc,of San Jose,California <br /> # = Floating liquid hydrocarbon skimmer installed in well on December 4, 1992 <br /> FLH = Floating liquid hydrocarbons <br /> Well Depth = Measurement from top of casing to bottom of well <br /> Aegis Fnvuonmcniaf Inc <br /> 90 020/March 10 1993 <br />