AO issued 11/20/2002. Respondent failed to maintain a copy of the approved Plan on site, as required by Part I.A.2 of the Permit. Respondent failed to properly operate and maintain all facilities and systems of treatment and control in accordance with Part I.C.2 and Part Ii.C.1 of the Permit. Respondent failed to maintain records that must be kept as part of the permit and available upon inspection of facility by an authorized representive, in violation of Part I.B.3. of the Permit and Part II.D.5.b of the Permi