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PARTNER
<br />Engineering and Science, Inc.
<br />July 2, 2018
<br />San Joaquin County Environmental Health Department (SJCEHD)
<br />1868 HazeIton Avenue
<br />Stockton, California 95205-6232
<br />Subject: Work Plan for Phase II Subsurface Investigation
<br />1021 East HazeIton Avenue
<br />Stockton, California 95203
<br />Partner Proposal Number P18-219836.1
<br />Partner Engineering and Science, Inc. (Partner) is pleased to submit this work plan to perform environmental
<br />investigation activities at the above-referenced property.
<br />Project History
<br />Partner was provided with a Phase I Environmental Site Assessment Report (Phase I), dated June 15, 2018,
<br />prepared by Terracon Consultants, Inc. (Terracon) on behalf of MidFirst Bank. Based on the information
<br />reviewed therein, the subject property consists of one parcel of land comprising approximately 1.75 acres
<br />located on the north side of East HazeIton Avenue, west of South Union Street, within a mixed industrial,
<br />commercial, and residential area of San Joaquin County, California. The subject property is currently
<br />developed with four commercial warehouses, which are occupied by Morales Auto Repair, Kandyman Grillo
<br />Creations (body shop), Color Pro Paint & Auto Body, and Action Towing. On-site operations consist of
<br />automotive repair/body shop, short-term storage, and used automotive part collection and disposal
<br />services. In addition to the current buildings, the subject property is also improved with asphalt-paved
<br />parking areas, utilities, and limited landscaping.
<br />According to available historical sources reviewed by Terracon, the subject property formerly consisted of
<br />small residential dwellings from as early as 1895 to approximately 1915. The property was redeveloped for
<br />commercial use with a Holt Manufacturing Company tractor warehouse (with fuel tanks) and Peerless Mill
<br />(a barley and feed mill) by 1917. In 1950, the subject property continued to operate as a mill, as well as a
<br />beer warehouse, bottling works, automotive repair, milling company, grain warehouse, and sack cleaning
<br />and sewing. By the mid-1960s, several buildings were removed and the property continued to be used
<br />commercially as a beer warehouse, a gasoline and service station warehouse with oil at the south-central
<br />portion of the site, and truck repair at the southeast corner of the site by 1972. The fuel tanks, with a total
<br />capacity of 13,000 gallons, were present on the northwestern corner of the site from at least 1917 through
<br />1972. The west-adjacent property was developed with railroad tracks that were likely used to off-load fuel
<br />to the on-site fuel tanks. Additionally, the subject property has been used for automotive repair, automotive
<br />body repair, merchandise warehouse, distribution warehouse, truck repair, and vehicle storage from
<br />approximately 2003 to the present.
<br />The following recognized environmental conditions (RECs) were identified in the Terracon Phase I:
<br />Historical Automotive Maintenance/Body Shop/Tractor Repair Operations: Based on historical
<br />records, past tractor manufacturing, repair operations and long-term automotive maintenance and
<br />1017 22' Avenue, Suite 107, Oakland, CA 94606 0 Phone 510-323-4499 0 Fax 510-439-2659
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