ON OCTOBER 18, 2000, AT 5:45 PM, THE ELCO CORPORATION HAD 79 POUND RELEASE OF CHLORINE INTO THE ATMOSPHERE. THE REPORT- ABLE QUANTITY FOR CHLORINE UNDER CERCLA IS 10 POUNDS. THE FACILITY CALLED THE NATIONAL RESPONSE CENTER ON OCTOBER 19, 2000, AT 8:37 AM THE STATE EMERGENCY RESPONSE COMMISSION ON OCTOBER 19, 2000, AT 9:04 AM, AND THE LOCAL EMERGENCY PLAN- NING COMMITTEE ON OCTOBER 19, 2000, AT 9:16 AM. THE FACILI- TY PROVIDED A WRITTEN FOLLOW-UP REPORT TO THE PROPER AUTHORI TIES ON NOVEMBER 17, 2000.