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MEMORANDUM . <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD . CENTRAL VALLEY REGION <br /> 3443 Routier Road, Suite A Phone: (916) <br /> 255-3000 w , <br /> Sacramento, CA 95827-3098 CALNET: 8-494-3000 <br /> TO: GORDON L. BOGGS a FROM: ELIZABETH A. .T, " <br /> F <br /> UGT Program Coordinator Associate Engineer;*'-, <br /> DATE: 17 November 1994 , "� h '` SIGNATURE: <br /> SUBJECT: _DIAMOND LUMBER, 120 EAST LOGKEFORD ST. (AKA 224 NORTH <br /> MAIN ST.), LODI, SAN JOAQUIN COUNTY.- d <br /> Ar <br /> i` In a letter, dated 1 July 1994, to the Board, San Joaquin County staff recommended that the <br /> Diamond Lumber site in Lodi be closed and requested our concurrence. ;I have reviewed <br /> the file for Diamond Lumber in Lodi. We concur in the San Joaquin Coun1y, staff's <br /> recommendation. , <br /> This site is located on the south side'ofL.East Lockeford Street between Stockton Street on <br /> `the east and Main Street on the west.-. Railroad tracks run between East Lockeford and.the, <br /> site. In February 1985, a diesel tank (size not reported)4nd a 500 gallon gasoline tank were. <br /> removed. The gasoline tank had a hole in the bottom,.approximately 11%2 by 1/4 inches, and <br /> was renorted'Ito be leaking product during tank removal; Soil was excavated to about 13 feet. <br /> and disposed. off site. Clean fill,was placed in the.excavati.on: <br /> M F <br /> Also in February 1985, a boring was drilled to a depth of 21 feet adjacenttto the tank pit.. <br /> Gr-oundat6r- Groundwater was not encountered, <br /> .Axsoil sample-collected at 15 feet§was non-detect for benzene toluene and giene <br /> at a detection limit of 1.0 ppm._ Other non BXT peaks were quantitated as,7 ppm usin the <br /> benzene standard as a reference. A. second boring was drilled through the tank pit to`a <br /> depth of 20;1 feet. Odor was ,.tint r-e reported"in ;samples from .431and 17,feet. <br /> Jri ' <br /> However, no contamination was detected ; <br /> { ... a.. 155,.` <br /> In March 1985, a temporary well point was installed south of the pit. Ata depth of 17,feet, <br /> 3 ppal My!-- and 23-ppm benzene were deteeted fuld at 25 feet, 6 ppfiia b ni!eee wete <br /> defeeted _ the sample was non-detect for benzene and toluene at 10 pom and had <br /> PPM Milene. non-BXeaks wereported as 23 ppm, titated against <br /> &benzene standard. A water sample collected from g the,temporary well id art* ee�•��'~ <br /> deieetab a BTX, however, the was non-detect for BTX at a detection limit of 20 ppb. r <br /> LAMAIN,Doc:94158.1-2/99296.1 <br />