ARCHIVED REPORTS_XR0006958 - Laserfiche WebLink

Home Browse Search

' Blaeis Environmental Management Inc 2nd Qtr 2005 Groundwater Monuonng Report 002-70950-04 U-Haul#709-50 ' 2 0 SITE BACKGROUND 1 2 1 SITE DESCRIPTION ' Amerco/U-Haul owns and occupies the property and currently uses the site as a U-Haul vehicle and equipment rental and repair shop The site is situated on a 106 acre parcel and includes two single-story ' buildings (sharing a common wall) The buildings include a former service station building and garage, which was added to the onginal building Site features are shown on Figure 2 ' The site was formerly used as a gasoline storage and retail facility According to a 1994 SOTA Environmental Technology, Inc (SOTA) work plan, the site was used as a gasoline retail facility from approximately 1950 until 1976 In 1976, the site was listed in the Polk directory as "Stockton Moving Center" From 1976 until 1990,the site was apparently used as a moving equipment rental facility Since 1990,U-Haul has used the site in its current capacity 2 2 DETECTION OF HYDROCARBON RELEASE ' According to a 1990 ETS Environmental & Assoc (ETS) report, four underground storage tanks (USTs) • and associated fuel dispensers were removed from the site in 1990 Three of the four UST's included gasoline and diesel fuel tanks with capacities of 10,000, 8,000, and 6,000 gallons The fourth UST was a 1 waste-oil tank with a 250 gallon capacity The tanks were orientated approximately east-west and located in the area labeled"Former UST Location" (Figure 2) The tanks were not replaced upon removal According to ETS, the analytical results from samples collected beneath the former USTs and associated product lines indicated detectable concentrations of petroleum hydrocarbons in the soil Based on the results of soil ' samples collected during the UST removal,the hydrocarbon release areas were concluded to be 1)the UST area and 2)the product piping areas(Figure 2) 1 2 3 GROUNDWATER WELLS AT THE SITE As requested by the SJCEHD, Blaes Environmental conducted additional site characterization activities in January 2000 The additional site characterization activities included, in part, the installation of eight ' new monitor wells screened across two depth intervals to accommodate the higher groundwater levels 3