Oregon OSHA has published their PSM NEP which focuses on processes with Ammonia, Chlorine, and Formaldehyde. The NEP also EXEMPTS VPP sites from any inspections under their Emphasis Program. To make the most effective use of its limited resources, OR-OSHA will use annual data gathered by the Oregon Office of State Fire Marshal (OSFM) Hazardous Substance Information System (HSIS) to generate PSM inspection scheduling lists. The most current HSIS database will be sorted to generate a list of all employers who reported having chemicals stored at their facilities in excess of the PSM Threshold Quantities (PSM-TQ). The majority of PSM employers have threshold quantities of ammonia, chlorine, or formaldehyde. Oregon OSHA will divide the list into four groups: