NO CARCINOGENIC RESIDUE. We provide All Natural Products in four categories: All naturally derived Insecticides under the RestAssured (TM) label, All naturally derived Rat Repellant RatX (TM), EPA Bio-Preferred Green Janitorials labeled as GreenlinE (TM) and a line of U.S.D.A Bio-Preferred industrial products that have been proven world wide. We are typically a Business to Business Sales Organization however we always keep our products available to individual users. Particularly the insecticides and RatX are both available in single canisters.