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TABLE 1 <br /> LIQUID LEVEL "4 <br /> 1399 FAST YOSEMITE MANTECA,CALtrORNIA <br /> (All measurements to feet) <br /> rR�terence Product Depth to Depth to Groundwater Well <br /> Well No Date '� Elevation Thickness Groundwater' Product Elevation Depth <br /> (top casing)' <br /> MW-IB"** ,07/22/91 4004** 2589 14 15 <br /> 08/30/91 y 2498 1506 <br /> 09/24/9 i �' 2468 1536 <br /> -'10/21/91 / 2438 1566 <br /> 11/21/91 2335 1669 <br /> 12/19/91 2334 1670 <br /> 01117/92 2331 1673 31 89 <br /> 02/26/92 <0 01++ 2220 2220 1784 --- <br /> 03/24/92 2237 1767 --- <br /> 04/09/92 <0 01++ 2432 2432 1572 --- <br /> 07/27/92 <0 01++ 2481 2481 1523 --- <br /> MW-2 07/22/91 40 74** 2661 1413 <br /> 08/30/91 2569 15 05 <br /> 09/24/91 2541 1533 <br /> 10121/91 2509 15 65 <br /> 11/21/91 2407 1667 <br /> 12/19/91 2408 1666 <br /> 01/17/92 2403 16.71 3390 <br /> 02/26/92 2292 1782 3389 <br /> 03/24/92 23 14 1760 3392 <br /> 04/09/92 2507 1567 3381 <br /> 07/27/92 <br /> 2556 15 18 3390 <br /> 101rr - Corrected groundwater elevation CDTW= DTW (SPG x LHT) <br /> COTW= Cormcled depth to water <br /> DTW- Measured depth to waler <br /> SI'G = Specific grav,ly unwealhered gasoline= 0 75 diesel=0 00 <br /> LHT= Measured liquid hydrocarbon thickness <br /> '• - Top of PVC casing(feet above mean sea level) as surveyed by Aegis <br /> Sheen of free product observed in well <br /> '•• MW t0 Constructed in June 1991 by over conng MW 1A <br /> 1 - Measurement and reference elevation taken Irom mark on top north side of well casing <br /> 7 - Elevation referenced to mean sea level <br /> Will Dollih - Measinemenl from top of casing to bollom of well <br /> ti <br />