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a 'qARR ASSOCIATES 1.0 INTRODUCTION Farr Associates and ICF Kaiser Engineers, Inc. (ICF Kaiser) have prepared this work plan to collect confirmation samples of drummed soil and water stored at the Former Union Ice Facility at 425 North Union Street, Stockton, California. This Scope of Work in Section 3 of the work plan outlines the proposed sampling, analysis, and disposal of 41 drums and drummed. materials. A brief report will be prepared and delivered to the San Joaquin Public Health Service, Environmental Health Division (PHS/EBD) and the Union Ice Limited Partnership summarizing the results of the confirmation samples and disposal of the drums and drummed materials. 2.0 BACKGROUND The former Union Ice facility (the Site) is located at 425 North Union Street, Stockton, California. The Site is situated north of Lindsey Street, east of the Union Pacific Rail Lines, south of a vacant lot, and west of Union Street. The Union Ice Company owned and operated an ice manufacturing plant on the site for over 100 years. In 1989, Arctic Ice purchased the facility from Union Ice. Four single-wall steel underground storage tanks (USTs) were located on the site. The USTs reportedly contained gasoline, diesel and fuel oil. The tanks and associated piping were removed from the site by SEMCO in September of 1989. Various soil and groundwater investigation activities have been conducted at the site since that time. In October 1994, a monitoring well and two borings were installed by ICF Kaiser as part of a soil and groundwater investigation at the site. The soil cuttings and decon water were contained in drums (14 total) and stored on site. Purge water from subsequent groundwater sampling of the monitoring wells was also contained in drums and stored onsite. Drums of material are also stored onsite as a result of prior investigations at the site by other contractors. Due to the low to moderate degree of soil and groundwater contamination encountered at the site, and the length of time that has past since these materials were first stored onsite, the drummed materials are expected to be non-hazardous. On September 10, 1996, a survey of the drums was completed. A total of 41 drums were identified on the property at 425 North Union Street, Stockton. Two of the drums are apparently empty. Of the remaining 39 drums at the site, 7 drums are known to contain soil cuttings, 10 drums are known to contain water, and one drum was labeled as "Recyclable Plastic Only". Of the 10 drums known to contain water, 2 drums contain purge water from well sampling at the site in August 1996. The remaining 8 drums were less than two-thirds full. The contents of an additional twenty-one drums require characterization prior to disposal. Eighteen of these drums are believed to contain soil cuttings, and 3 drums are believed to contain decon water. z un i oni c e/p roposal.do c