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...r..ta --- 1-11 , , 1 "- . . . r.. ..- ....t.1 .\'. ......e r.. .at._.1... .-1. .r... .r..... e E a ."I .s <br />JAN -25-1999 11:37 IT & ASSOCIATES P.02/08 <br />TW FN{rr 1W. <br />r_ 1 - t' il' Y Ii. f a i' <br />%-M- <br />[*-I,st Office Box 388 <br />StocktM California 95201-0388 <br />SUBJECT: WORNPLAN TO PERFORM A SM ASSESSMENT AT SAN JOAQUIN <br />COtTSW MOTOR POOL FACELITYLOCATED AT 1810 EAST <br />. ' O N THE <br />CITY i) \.: is ' i ' <br />3 Ir <br />Y.if •1..i •,. 1 f a % i I.I f. •.. i:' f `.'11 t : :: <br />1 t 1�a: ► 1:..■ 1 1"r: 1 ■ r'1 � •':1 ■ •-a..• C.::. Ifr:1 <br />For purposes of identifIcation, the above referenced project will be separated into four (4) <br />areas of concern. Area I represents Tank # 3, a gasoluix underground storage tank (UST) <br />removed in 1995, Area 2 represents the tank replacement activities that occurred in November <br />1998 from Tanks # 1, 2. Area 3 represents Tanks # 6 through 8, which were removed prior to <br />1979. <br />. . represents1... . . a waste f <br />il UST. <br />• r'i t 1 1 t E' ! U i •. r/ ::- t is f r. - f' <br />additionalgroundwater is detected. if groundwater is identified, the boringwill be advanced an <br />t ;.)'. - Y i of monitoring ■and W <br />Y boring i t p. <br />1 tii •d to cored • changes i t F. i" lsampling will occur <br />, tf" <br />intervals. A mobile lab will be used to run the analysis of the soil samples. See Figure 1. <br />AREA 2 <br />TEM proposes to advance one (1) boring by Tank # 1 until 20 feet of uncontarninated soil is <br />encountered or groundwater is detected. If groundwater is identified, the boring will be <br />?dvanced an additional 15 feet for the installation of a monitoring well. Soil samples wilbas <br />taken at five-foot intervals. A mobile lab will be used to analyze the soil smples. <br />Othat Laubaw San Diego,OoncofO,Sammealm - <br />