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TABLE 9 <br /> SUMMARY OF GROUNDWATER MONITORING AND ANALYTICAL RESULTS <br /> Gardner Property,Thornton,CA <br /> Page 6 of 7 <br /> measured in feet MSL (Reported in ug/1) <br /> Well ID Date Wellhead Depth to G W Benzene Toluene Ethyl Xylenes TPWg MTBE Fuel Dissoved <br /> Elev Water Elev Benzene EPA 8020 Oxvgenates Oxygen <br /> MW6 10/29/91 1389 1630 -241 <0 30 <0 30 <0 30 <0 30 <30 -- <br /> 03/04/92 1389 1430 -041 <0 5 <0 5 <0 5 <0 5 <50 — -- <br /> 03/13/92 1389 1397 -008 -- — — -- -- — <br /> 09/01/92 1389 1708 -319 <05 <0 5 <05 <0 5 <50 <br /> 12/03/92 1389 1606 -217 <0 5 <05 <05 <05 <50 — - <br /> 03/24/93 1389 1070 319 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 07l23193 1389 1249 140 <0 50 <0 50 <0 50 <0 50 <50 -- <br /> 12/27/93 1389 1332 0 57 — — -- -- -- - - <br /> 03/30/94 1389 1232 1 57 -- — -- -- <br /> 06/24/94 1389 1358 0 31 -- -- — — - - <br /> 09/16/94 1389 1590 -201 <0 50 <0 50 <0 50 <0 50 <50 - <br /> 12/21/94 1389 1468 -079 — — — -- -- — — <br /> 03/30/95 1389 930 4 63 <0 50 <0 50 <0 50 <0 50 <50 <br /> 06/30/95 1389 1048 341 — — — — -- <br /> 09/29/95 1389 1370 019 <0 50 <0 50 <0 50 <0 50 <50 <br /> 12/29/95 1389 1299 0 90 — -- -- -- — <br /> 03129/96 1389 867 522 <0 5 <0 5 <0 5 <0 5 <50 - - <br /> 06/28/96 1389 11 25 2 64 -- -- -- -- -- <br /> 09/30/96 1389 1444 0 55 <0 50 <0 50 <0 50 <0 50 <50 — <br /> 12/17195 1389 1340 049 -- -- -- -- -- _ <br /> 03/25/97 1389 828 561 <0 50 <0 50 <0 50 <0 50 <50 — <br /> 06/25/97 1389 1214 1 75 -- — — -- -- — — <br /> 09/18/97 1389 1526 -1 37 <0 5 <0 5 <05 <0 5 <50 — <MDLs <br /> 12/16/97 1389 14 30 -041 — — -- — -- -- <br /> 03/20/98 1389 773 616 <0 5 <0 5 <0 5 <2 <50 <5 <br /> 06/30/98 1389 977 4 12 -- — — -- — -- — <br /> 09/29/98 1389 1477 -088 <0 50 <0 50 <0 50 <050 <50 — <1 000 <br /> I <br /> 12123198 1389 1375 014 — — — -- -- -- — — <br /> 04/05199 1389 1199 1 90 <0 50 <0 50 <0 50 <0 50 <50 <5 <br /> 07/09/99 1389 1356 0 33 -- -- — -- — -- _ - <br /> 10/07/99 1389 1540 -1 51 <0 500 <0 500 <0 500 <0 500 <50 0 — <br /> 12/28/99 1389 1458 -069 -- — — — — -- — <br /> 03/21/00 1389 11 93 1 96 <0 500 <0 500 <0 500 <0 500 <50 0 <2 50 — <br /> 07l13100 1389 1355 034 - -- -- - — -- <br /> 09/27100 1389 1495 -1 06 <0 5 <0 5 <0 5 <0 5 <50 — MTBE=2 2 - <br /> 12/20/00 1389 14 78 089 -- — — -- -- <br /> 03/29101 1389 1379 0 10 <0 5 <05 <0 5 <0 5 <50 <5 0 — <br /> 06/18/01 1389 1498 -1 09 — -- — — - -- <br /> 09/24/01 1389 1609 -2 20 <0 5 <0 5 <05 <0 5 <50 <5 0 <br /> 01/15/02 1389 1473 084 -- -- — -- -- — _ <br /> 04103102 1 13 891 1405 1 -016 1 <0 5 1 <05 I <0 5 1 <1 0 1 <50 1 <50 <br /> W\62582NTA8LES\TA8LEGW As[8/21/2062) <br />