1) On 4/23/03, an inspector from the Nassau County Department of Health observed faiclity personnel power washing a car engine, with its wastewater injection into an on-site exterior drywell. This well, a stormwater drainage well, a 5D2, was in use a motor vehicle waste disposal well, a 5X28. This well is no authorized by rule or permit, in violation of 40 CFR 144.11. A public water supply wellfield exists approximately 600 feet west of the faiclity. 2) 40 CFR 144.12(a) prohibits movement of fluid containing any contaminant into USDW's, if the presence of that contaminant may cause the violation of an MCL.