published biannually. The Spark Arrester Guide is used by field inspectors and consumers to verify product certification status. Manufacturers pursuing spark arrester qualification in the United States should consult the USDA Forest Service's "Manufacturer's Submission Procedure" for both general purpose and small engine spark arresters. See also Flame arrester Notes External links Off-Highway Vehicle Spark Arresters Tech Tip (USDA Forest Service) General Purpose Spark Arresters Tech Tip (USDA Forest Service) Spark Arrester Law - State of California Passive fire protection