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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD SAN FRANCISCO BAY REGION ORDER NO. 88-087 SITE CLEANUP REQUIREMENTS FOR: Aratex Services, Inc. Mr. Hanley Murray 920 Chesnut Street San Jose, Santa Clara County The California Regional Water Quality Control Board, San Fran- cisco Bay Region (hereinafter called the Board) finds that: 1. Aratex Services, Inc. (Aratex) is the former owner of the property located at 920 Chesnut Street, San Jose (site). Aratex operated an industrial laundry business at the site from 1970 to 1982. Mr. Hanley Murray (Murray) purchased the property in 1983 and currently operates the site as a storage area for vehicle parts and abandoned and disabled vehicles impounded in connection with his towing business and leases a portion of the premises for use as an automobile shop. Aratex Services, Inc. and Mr. Hanley Murray are hereinafter referred to as dischargers. 2. Ten underground tanks were present at the site. From 1970 to 1980, gasoline was stored by Aratex in one 10,000 gallon tank for use in merchandise delivery vehicles. From about 1970 to October, 1982, seven 1,500 gallon and two 10,000 gallon storage tanks served as storage for the stoddard solvent and treatment oil used by Aratex for cleaning industrial gloves, dust and sweeping cloths and floor mops for rental and re-use. Three years after purchasing the subject property in 1983, Murray had all ten underground tanks removed. 3. Soil samples collected from beneath the gasoline tank after excavation contained up to 4400 milligrams per kilogram (mg/kg) gasoline at a depth of 23 feet. Soil samples collected from borings in the former stoddard solvent tank farm area contained up to 18,200 mg/kg stoddard solvent at a depth of 15 feet. 4. Groundwater investigations were initiated to define the horizontal and vertical extent of the groundwater pollution beneath the site. Ten shallow aquifer monitoring wells have been installed at the site. Groundwater samples collected beneath the former gasoline tank area from monitoring well No. 1 (MW-1) contained up to 990 parts per million (ppm) gasoline/hydrocarbon mix. Groundwater samples collected beneath the former stoddard solvent tank farm area from MW-3 1

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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARDSAN FRANCISCO BAY REGION

ORDER NO. 88-087

SITE CLEANUP REQUIREMENTS FOR:

Aratex Services, Inc. Mr. Hanley Murray920 Chesnut StreetSan Jose, Santa Clara County

The California Regional Water Quality Control Board, San Francisco Bay Region (hereinafter called the Board) finds that:

1. Aratex Services, Inc. (Aratex) is the former owner of theproperty located at 920 Chesnut Street, San Jose (site).Aratex operated an industrial laundry business at the sitefrom 1970 to 1982. Mr. Hanley Murray (Murray) purchased theproperty in 1983 and currently operates the site as astorage area for vehicle parts and abandoned and disabledvehicles impounded in connection with his towing businessand leases a portion of the premises for use as an automobile shop. Aratex Services, Inc. and Mr. Hanley Murrayare hereinafter referred to as dischargers.

2. Ten underground tanks were present at the site. From 1970to 1980, gasoline was stored by Aratex in one 10,000 gallontank for use in merchandise delivery vehicles. From about1970 to October, 1982, seven 1,500 gallon and two 10,000gallon storage tanks served as storage for the stoddardsolvent and treatment oil used by Aratex for cleaningindustrial gloves, dust and sweeping cloths and floor mopsfor rental and re-use. Three years after purchasing thesubject property in 1983, Murray had all ten undergroundtanks removed.

3. Soil samples collected from beneath the gasoline tank afterexcavation contained up to 4400 milligrams per kilogram(mg/kg) gasoline at a depth of 23 feet. Soil samplescollected from borings in the former stoddard solvent tankfarm area contained up to 18,200 mg/kg stoddard solvent at adepth of 15 feet.

4. Groundwater investigations were initiated to define thehorizontal and vertical extent of the groundwater pollutionbeneath the site. Ten shallow aquifer monitoring wells havebeen installed at the site. Groundwater samples collectedbeneath the former gasoline tank area from monitoring wellNo. 1 (MW-1) contained up to 990 parts per million (ppm)gasoline/hydrocarbon mix. Groundwater samples collectedbeneath the former stoddard solvent tank farm area from MW-3