WESLOCK MANUFACTURES LOCKS IN ITS LOS ANGELES, CA FACILI- TY. IT IS LOCATED IN A NONATTAINMENT AREA FOR OZONE WHICH HAS RECEIVED AN EXTENSION FOR COMPLIANCE UNTIL 1987. WESLOCK VIOLATED THE CALIFORNIA STATE IMPLEMENTATION PLAN IN THAT THE COATINGS USED ON ITS LOCKS CONTAIN MORE VOLATILE ORGANIC COMPOUNDS THAN ALLOWED BY SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT (SCAQMD) RULE 1107. A JOINT EPA AND SCAQMD INSPECTION OF THE WESLOCK FACILITY ON 12/6/84 FOUND THE CORP TO BE IN VIOL OF RULE 1107. EPA ISSUED WESLOCK A NOV ON 9/19/85. WESLOCK'S BEEN LISTED BY CDS AS SIGNIF VIOL TOR. WESLOCK HAS SUBMITTED TO REGION 9 A PROPOSED COMPLIANCE PLAN THAT WOULD BRING THE COMPANY'S FACILITY INTO COMPLIANCE BY THE END OF 1986. COMPLIANCE WILL BE ACHIEVED EITHER BY CONVERSION OF THE COMPANY'S COATING PROCESSES TO LOW VOC COATINGS OR BY INSTALLATION OF ADD-ON EMISSIONS CONTROL TECHNOLOGY. WESLOCK FABRICATES, CLEAR COATS, AND ASSEMBLES METAL PARTS FOR DOOR LOCKS AND ASSOCIATED FITTINGS AT ITS FACILITY LOCATED AT 13344 SOUTH MAIN STREET, LOS ANGELES, CA, WHERE IT OPERATES FOUR COATING LINES. METAL PARTS ARE COATED ON THREE CONVEYORIZED LINES USING AUTOMATIC ELECTROSTATIC SPRAY DISCS. THE COATED PARTS ARE CURED IN AN OVEN AT 325' F BEFORE ASSEMBLY. ON A FOURTH MANUAL LINE, PARTS ARE PLACED ON A TRAY AND COATED BY HAND USING AN AIR SPRAY GUN WHICH DOES NOT