WORK PLANS - Laserfiche WebLink

Home Browse Search

soil samples collected at the on-site location and an off-site location where excavated soil was transported,the primary constituent was total petroleum hydrocarbons as diesel(TPH- d). Five-foot deep soil gas samples will be collected at two of the four inferred locations of the petroleum hydrocarbon release. • Based on the statements within Partner's December 9, 2015 Phase I Environmental Site Assessment(ESA)report,the Site was formerly developed as agricultural land(circa 1937- 1957)then developed with a farming operation and possible residences(circa 1963-1980s), and in consideration of obtaining a NFA from the DTSC, soil samples will be collected for analysis of environmentally persistent agricultural pesticides. 1.4 Site Characterization Data Quality Objectives Partner will utilize qualitative and quantitative analytical data quality objectives(DQOs)to support decisions for Site characterization activities.The DQOs related to laboratory activities are included in the QA/QC Plan and DQOs with respect to the field work are included in the SAP. 2.0 SITE HISTORY AND BACKGROUND The description and history of the Site are provided below. 2.1 Site Description Partner completed a Phase I ESA report on December 9, 2014 for the Site. The Tracy Corners Shopping Center encompasses 8.3 acres with 86,180 square feet of single story commercial tenants located at the southwest corner of the intersection of North Tracy Boulevard and Clover Road within a mixed commercial and residential area of San Joaquin County. A Site vicinity map is shown on Figure 1. The shopping center is currently occupied by retail commercial establishments including a super market, restaurants, nail and hair salons, insurance and financial outlets, an automobile parts store, and various professional services. Refer to Figure 2 for a Site plan of the shopping center. The construction of the shopping center structures reportedly includes slab-on- grade foundation; and silty sand was observed underlying the slab associated with the Quality Cleaners during December 2014 sub-slab sampling. In June 2015, SLP provided Partner with a 2005 ALTA Survey map. The ALTA map indicates a sanitary sewer lateral inferred to be connected to the Quality Cleaners traverses west and beneath the building slab and extends to the west of the building slab footprint. The sewer lateral is aligned beneath the asphalt concrete paved-parking areas along the western exterior of the shopping center structure and traverses north to Clover Road where it most likely connects to a municipal sewer line. As shown on Figure 2, the total alignment of the sewer lateral beneath the parking areas is approximately 660 feet. Sampling and Analysis Workplan Tracy Corners Shopping Center 3225 North Tracy Boulevard Tracy,California 95376 Partner Project Number SM14-129814 Docket Number HAS-VCA 14/15-108 August 15,2016 Page 3