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M M Mir M <br /> TABLE 1 <br /> LIQUID LEVEL DATA <br /> 13M EAST YOSEMITE,MANTECA,CALIFORNIA <br /> (All measurements m feet) <br /> Reference Product Depth to Depth to Groundwater Well <br /> Well No Date Elevation Thickness Groundwater' Product' Elevation2 Depth <br /> (top of casing)' <br /> MW-1B*** 07/22/91 40 04** 2589 --- 1415 — <br /> 08/30/91 2498 -- 1506 — <br /> 09/24/91 2468 --- 1536 --- <br /> 10/21/91 2438 --- 1566 -- <br /> 11/21/91 2335 --- 1669 -- <br /> 12/19/91 2334 --- 1670 <br /> 01/17/92 2331 --- 1673 3189 <br /> 02/26/92 <0 01++ 2220 — 1784 — <br /> 03/24/92 2237 --- 1767 -- <br /> 04/09/92 <0 01++ 2432 --- 1572 --- <br /> 07/27/92 <0 01++ 2481 — 1523 — <br /> 10/21/92 <0 01++ 2381 — 1623 — <br /> MW-2 07/22/91 40 74** 2661 --- 1413 --- <br /> 08/30/91 2569 --- 1505 --- <br /> 09/24/91 2541 --- 1533 --- <br /> 10/21/91 2509 — 1565 --- <br /> 11/21/91 2407 --- 1667 --- <br /> 12/19/91 2408 --- 1666 -- <br /> 01/17/92 24.03 --- 1671 33.90 <br /> 02/26/92 2292 --- 1782 3389 <br /> 03/24/92 2314 — 1760 3392 <br /> 04/09/92 2507 --- 1567 3381 <br /> 07/27/92 2556 — 1518 33 90 <br /> 10/21/92 2461 --- 1613 3389 <br /> NOTES " = Top of PVC casing(feet above mean sea level) as surveyed by Aegis <br /> ++ = Sheen of free product observed In well <br /> MW-1 B Constructed In June 1991 by over-conng MW-1 A <br /> 1 = Measurement and reference elevation taken from mark on top north side of well casing <br /> 2 = Elevation referenced to mean sea level <br /> — = Not measured/not observed <br /> Well Depth = Measurement from top of casing to bottom of well <br /> Aegis Envifonmental !nc <br /> 90-098/December 8 1992 <br />