SITE INFORMATION AND CORRESPONDENCE

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Statement of Facts Lodi Airpark Page 2 IV. Details On January 12 , 1981 , DHS, Waste Management Specialist Cody Begley conducted an onsite inspection of Lodi Airport Corporation. During the inspection, Mr. Begley learned that pesticide sprayers wash down their planes and equipment at the airport. The contaminated water is allowed to remain standing on the asphalt until it evaporates. On October 28, 1982, Waste Management Specialist, Judy Henley inspected the facility. During the course of inspection, Ms. Henley discovered an area that appeared contaminated with various chemicals and refuse. Upon inspection cf the contaminated area, Ms. Henley noticed an oily substance in the soil and dead vegetation Soil samples were taken of the contaminated area and around the washdown facility. Lab analysis revealed high levels of toxaphene. On July 31, 1984, this case was referred to me for further investigation. On September 25, 1984, DHS, Waste Management Specialist, Chuck McLaughlin , Debbie Small , Supervising Investigator Janett Haeling and myself conducted an inspection of Lodi Airport. We inspected the rinse water/rinse facility located on the northeast corner of the airport. We noted evidence of heavy soil contamination. Additionally, we noticed a container storage area with several containers in it which belonged to Northcoast Helicopters. Soil contamination was visible and the area possessed a strong pesticide odor. Several oil and lubricant drums were also noticed. Ms. Small and Mr. McLaughlin took several soil samples for lab analysis. On September 25, 1984, Mr. McLaughlin attempted to interview John Kupka (who was representing Robert Kupka). Mr. Kupka stated that he had nothing to say except that he felt our visit was a waste of taxpayers money. Mr. McLaughlin and I interviewed Martin Clark of Northeast Helicopter which has a facility located on Lodi Airport' s facility. Mr. Clark stated their primary function is agricultural spraying,dusting, fertilizing, and frost control . All chemicals are delivered to the work area where they are mixed and loaded in the planes. All canisters are rinsed and the water is applied to the field. The washdown of the planes also occurs at the site. Plane maintenance is conducted at the airport. Waste oil is picked up by a buyer, who pumps it out and pays by the gallon. The empty pesticide containers are stored in the storage area and disposed of approximately four times a year after the county inspects them. They are then taken to Harding Lane Dump. Additionally Mr. Clark stated that Ag-Flight and Precissi mix their chemicals on the field at the end of the runway. On March 18, 1985, I received the lab results from Mr. McLaughlin. According to sample results, various areas of the airport have pesticide contamination above the allowable limits permitted by the State of California laws and regulations. Additionally, Mr. McLaughlin informed me that the site was placed on the super-fund list, number. 34.