SITE INFORMATION AND CORRESPONDENCE_PRE 2019

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miles from the site. The Calaveras River flows into the San Joaquin Delta, approximately 7 miles from the site. There are no drinking-water intakes within 15 miles downstream of the site. Although there are fisheries and sensitive environments within 15 miles downstream of the site, none is in the site vicinity. (16,17,18) 3.4 Soil Exposure and Air Pathway Hazardous substances used and wastes generated on site are stored in drums on a paved area. A majority of the site is covered by buildings or pavement, and the site is surrounded either by a fence or a wall. No schools or daycare centers are on site. (7) 4.0 EMERGENCY RESPONSE CONSIDERATIONS The National Contingency Plan [40 CFR 300.415 (b) (2)] authorizes the EPA to consider emergency response actions at sites that pose an imminent threat to human health or the environment. For the following reasons, a referral to Region IX's Emergency Response Section does not appear to be necessary: Hazardous substances stored on site are limited to two 55-gallon drums and approximately 15 gallons of solvent wastes stored on a paved area on site. The site is surrounded either by a fence or a wall. 5.0 SUMMARY The Marlowe Property site is located in an industrial area of Stockton, San Joaquin County, Calif. The approximately 9-acre site is bordered on the north by Waterloo Road, on the east and south predominantly by open fields, and on the west by open fields and California Cedar Products. The site contains numerous warehouse buildings and offices. A residence is located inside a fenced area at the southern end of the site. A majority of the site is covered by buildings or pavement, and the site is surrounded either by a fence or a wall. The property was originally owned and developed by Ronald and Mamie Grimes in 1966. The Grimes' sold the property to James Hunter in approximately 1977. Melvin Marlowe, the current owner, purchased the property from James Hunter in 1979 and has owned it since that time. Since 1966, various portions of the Marlowe Property site have been leased by several businesses. Currently, various portions of the site are leased by the following businesses: MPI Label Systems, Inc., Lambert's Dental Instruments, A-1 Flooring, G&J Allen Electric Inc., Sweets Tinware, Precision Painting, Boyd & Boyd, Natural Concrete Co., Pacific Woodwork, Iron Works, and Pioneer Pallet. Since 1988, the San Joaquin County Environmental Health Division (EHD) has been actively involved with activities on site related to the removal of four underground storage tanks (USTs) containing gasoline. Post-removal sampling and analyses indicated the presence of petroleum hydrocarbons in subsurface soil in the vicinity of the USTs. At the time of the site visit, hazardous substances stored on site consisted of two 55-gallon drums containing solvent wastes stored at the PA Marlowe Property-SS • 6/95 7 Printed on 50% recycled paper.