GENERAL DYNAMICS OPERATES AIR FORCE PLANT #4 IN FT WORTH, TX WHICH IS OWNED BY THE US AIR FORCE. AS THE FACILITY CON- TRACTOR, GD ASSEMBLES AND PAINTS THE F-16, A SINGLE-ENGINE FIGHTER AIRCRAFT. GD ALSO PERFORMS RENOVATION WORK ON F111'S, WHICH INCLUDES UPGRADING THE AIRCRAFT'S AVIONICS SYSTEMS AND ELECTRONIC WARFARE CAPABILITIES. PLANT OPERA- TIONS SUBJECT GD TO TEXAS STATE IMPLEMENTATION PLAN REGULA- TIONS, WHICH RESTRICT THE CONCENTRATION OF THE VOLATILE OR- GANIC COMPOUNDS ALLOWED TO BE CONTAINED IN COATING USED FOR MISCELLANEOUS METAL PARTS (REGULATION V, RULE 115.191(9). THESE REGULATIONS WERE INCORPORATED INTO THE TX SIP UNDER REQUIREMENTS OF SUBPART D OF THE CAA. THE FOLLOWING EXTREME PERFORMANCE COATINGS HAVE BEEN DISCOVERED TO BE IN VIOLATION OF THE SIP LIMITS. * * SIP LIMIT VOC CONTENT * GD COATING (LBS/GALLON) (LBS/GALLON) * ADHESIVE PRIMER 3.5 6.5 ADHESIVE TOUCH-UP 3.5 6.3 PRC PRIMER (SOLVENT-BSD) 3.5 4.9 MASKANT 3.5 6.6 * THE VIOLATIONS OF THE SIP LIMITS IN THE OPERATION OF THE PRC PRIMER (HIGH-SOLVENT PRIMERS) AND MA