N.H. Admin. Code § Env-A 4103.26
"General purpose degreaser" means any product designed to remove or dissolve grease, grime, oil, and other oil-based contaminants from a variety of substrates, including but not limited to automotive or miscellaneous metallic parts. The term does not include engine degreaser, general purpose cleaner, adhesive remover, electronic cleaner, electrical cleaner, energized electrical cleaner, metal polish/cleanser, oven or grill cleaner, products sold exclusively directly or through distributors to establishments that manufacture or construct goods or commodities and labeled "exclusively for use in the manufacturing process only", or products used exclusively in solvent cleaning tanks or related equipment, including but not limited to cold cleaners, vapor degreasers, conveyorized degreasers, film cleaning machines, or products designed to clean miscellaneous metallic parts by immersion in a container.
N.H. Admin. Code § Env-A 4103.26