GAUGE USED TO MEASURE GASOLINE STORED IN 3 USTS (2-15,000 GALLON TANKS, 1-10,000 GALLON TANKS) CANNOT ACCURATELY MEASURE GASOLINE WITHIN 1/8TH OF AN INCH, AS REQUIRED BY THE INVENTORY METHOD OF RELEASE DETECTION. RESPONDENT NOTIFIED OF THIS FACT VIA THREE SEPARATE COMMUNICATIONS BY EPA.