Riverside_Conoco_Final_Phase_I_ESA_12132022

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Phase I Environmental Site Assessment Riverside Conoco 1350 Myers Avenue Batesville, Arkansas Riverside Conoco (Subject Property) The subject property was identified in the RST database. A review of Arkansas Energy and Environment's Division of Environmental Quality (DEQ) database information indicated that the property operates subject to a regulated storage tank permit (32001640) and has received Arkansas Facility Identification Number 32-00292 due to the operation of two (2) underground storage tanks (USTs). The USTs each have a capacity of 10,000 gallons, are composite construction, contain gasoline, and were installed in 1999. The UST system utilizes pressure piping constructed of fiberglass-reinforced plastic. Release detection methods include tank and line tightness testing, automatic leak detection, and inventory controls with an automatic tank gauge. Overflow protection includes spill catchment basins and an automatic high-level alarm. No releases have been reported from the UST system. Two (2) violations were noted in an October 2022 compliance evaluation: (1) failure to provide documentation for release detection for UST system, (2) failure to pay tank fees. In addition to the violations, DEQ noted that the facility had been abandoned and therefore, the tanks should be emptied and placed in temporary closure. Tank #1 had 8" of product and Tank #2 had 9" of product at that time. A review of available information, based on distance, apparent topographic gradient, and/or regulatory status, revealed that the remaining facilities identified in the databases do not present an environmental concern for the subject property at this time. 4.2 EDR Historical High-Risk Facilities EDR searches business directories and provides a listing of high-risk historical facilities (historical auto stations, historical cleaners, and manufactured gas plants) located within the recommended ASTM search radii. The information is provided in the EDR regulatory report presented as Appendix D. The subject property is listed as a gasoline service station for the years of 2003-2014. 4.3 Historical Records Review The historical records review revealed that the subject property was first developed as a dirt lot some time between 1942 and 1963. Around 2000, the present-day convenience store and gasoline service station were constructed. Surrounding properties have been commercial/office in use, with two (2) bank buildings and a coffee shop to the north, a VFW constructed around 2000 to the east, and a florist/bait shop to the west. 10