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F Fugitive Emissions (Sampling localion i31 Detonator To Remote Firing System Fugitive Emissions Electrical capture (Sampling Location ea) �b— Vacuum wmb emissions Vacuum Meter Feed-Thru / lugitiva,Ir antasbns to Monitor LOW r Filtered Air Pressure Zone NEPA Fume " Electric System Exhaust Valve it\Blower Delonalor Fresh "M Wlra Ash"111140`-r'—J line, and Codon Coliectbn Hlgh Ehklency chromium VI, and ....- Port w .0 . Suspension Detonation Unit gill,: 30 gal. Ash One Way released with the LimValve C Blower 99.95 % of these particulates that are sustosi)here. ded in the gases / Vessel Temperature and the detonation process, such as ash and spent fi ters, will be Pressure Monitor Vassal Temperature Pressure Monitors to Electric Remote Operating j \ Valve 92 Location Waste One Way LX -14 Valve 82 Air Flow Filtered Alt,, Explosive Monitor (Sampling "A — — O _� Localon r2) Ash ^I Residu Vessel _ Location91l Ash"111140`-r'—J line, and Figure 2: Closed Vessel Coliectbn Hlgh Ehklency chromium VI, and ....- Port w .0 . Filtration System Detonation Unit gill,: 30 gal. Ash With Internal 1()00 released with the Collection Drum C Blower 99.95 % of these particulates that are sustosi)here. ded in the gases that are released to the fir the detonation process, such as ash and spent fi ters, will be detonator, wire, cotton suspension line, and explosives binders. Pa iculates may consist of ash, lead, cadmium, chromium VI, and copper. While most of tie particulates will settle to the bottom of t e CVD, some will be suspended in the air and released with the gases as the vessel is purged. The HEPA filter is designed to remove 99.95 % of these particulates that are sustosi)here. ded in the gases that are released to the Wastes generated from Currently, the CVD is being used to conduct detonation tests of explosive products. If DTSC issues Primex a Hazardous Waste Facility Permit, the CV would serve the dual purpose of treating hazardous wastes and also testing explosives. Up to 10 pounds of waste LX -14 will be allowed per detonation. Primex estimates detonating approximately 200 pounds of waste explosives per month. Wastes generated from the detonation process, such as ash and spent fi ters, will be ce: : n- ::: tel 11ehaz r: Otis or nc�n-'rl�ra,rdous and be disposed of acco dingly. IV. Permitting and Enforcement History Permitting Prior to January 1997, Primex was doing business as Physics International Company (PI). For historical purposes, Primex will be referred to as PI for activities occurring prior to January 1997. On April 6, 1981, DTSC issued PI an Interim Status Dociiment (ISD) that allowed both open detonation and open burning of waste explosives. On November 8, 1989, PI submitted a Part A and Part B Application for a permit that would replace their ISD, if approved. On June 7, 1991, in the middle of the permitting process, PI withdrew their application. Instead, PI closed their open burn unit and open detonation pit according to DTSC approved closure plans. DTSC certified the clean closure of these sites on June 30. 1994. _ ?\I:;rch 1997 P. c 3 N