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nkle & Boys Flying Service _ 2 _ 14 April 1992 Ispection Report to report anything. We stressed the importance of communicating, so that such misunderstandings do not develop. We inspected the mixing, loading, and washing area. It was in poor condition in that the concrete pad was very badly cracked, and the submersible pump located in the sump was out of order. Mr. Boys stated that the accumulation of dirt and grit was hard on the pump. Water was ponded in and around the sump. There was little pesticide odor, and a medium amount of staining on the tarmac and concrete pad. The poly tank was placed on a bed of gravel and was surrounded by a concrete secondary containment wall , which was undersized. I'm not sure if a concrete floor was part of the containment structure. The inlet to the tank consisted of a flexible hose that attached to the lower inlet 1ine coming from the washpad and wrapped around the outside of the tank so that it discharged into the tank through a manhole-sized port at the top. This hole was left open to promote evaporation. We observed an outlet valve near the bottom of the tank, so the capability exists to draw from it by gravity flow. The discharger stated that they had just submitted their waste management plan, and that it was essentially the same plan that Patterson Flying Service and Atwood Flying Service were using. Plans for complying with the waiver include repairing and extending the concrete pad south over the runway approach area, installing a mixing/loading area with secondary containment, and moving the pump out from the sump and closer to the rinse/wash rater holding tank. Eric Trinkle stated that area-wide residential development plans are being made which may impact them, and that they may not be there in five years; this seems plausible. He said that they may not want to install an expensive permanent system in light of the possible development. SUMMARY: There was no evidence or indication that the complaint of dumping pesticide solutions into the New Jerusalem Drainage District's the drain line 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. The concrete pad is badly cracked, and the sump pump which moves wash water to the poly tank is out of order. Moderate staining and little odor were detected. They have submitted an acceptable waste management plan for meeting waiver conditions, however, they were a few days late with this submittal . INSPECTOR SIGNATURE & DATE E C E A VE RPR l 11�g2 SAN JUHk�viiv DEPT, OF AGR. —TRACY,