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Trinkle & Boys case is closed and that the duplicate listing on GeoTracker is an artifact of having information from two programs feed into the GeoTracker system; she indicated that she will work to have the second listing changed to a status of "closed." Ms. Terrell stated that the assessment conducted demonstrated that no environmental concerns are present on the Site now. She stated that the passage of time and the planting of crops on the Site may have served to remove contaminants. Ms. Terrell indicated that the Regional Water Quality Control Board requires sites to be cleaned up to residential standards; Trinkle & Boys has met that requirement based on the results of the assessment, she said. 6.0 SITE DOCUMENTS 6.1 Environmental Health Department Records The San Joaquin County Environmental Health Department was contacted regarding the Site address of 31199 South Koster Road, as well as the address of the once-contiguous Trinkle & Boys property, 31244 South Highway 33. Records were reviewed at the San Joaquin County Environmental Health Department office on March 3, 2015. The following documents contained in the file (all for the address of 31244) appear pertinent to the current investigation.. • 1987 Abandoned Site Program Information System report stating that sample results indicate the "presence of pesticides in shallow GW" and "contamination confirmed by sampling." • 1990 and 1988 Underground Storage Tank Program Permit Application for Trinkle & Boys indicating two 6,000-gallon aviation gasoline tanks, one 6,000-gallon leaded gasoline tank, one 1,000-gallon leaded gasoline tank. • April 1992 inspection letter from California Regional Water Quality Control Board, Central Valley Region. The inspection was to "investigate the complaint that pesticide solutions were being dumped into the New Jerusalem Drainage District's the drain line; review and discuss the prior contamination situation with the discharger and ascertain the reason for their not reporting on rinse and wash water storage and use; inspect the operations area, assess current practices, and determine the reason for their not submitting a waste management plan by the due date." The letter ended by summarizing that "there was no evidence to indicate that the complaint of dumping pesticide solutions... was founded, however, this type of illegal activity is difficult to trace. The discharger is out of compliance with our programs, but seems willing to cooperate..." Based on discussion of past activities in the letter, it appears that a Monitoring Order was issued by the California Regional Water Quality Control Board, LOGE 1506 5