Examples of such suspending materials include, but are not limited to, polycarbohydrates such as cellulose derivatives, starch and starch derivatives, xanthan gum, carageenan, locust bean gum, and the like, wetting agents such as sodium laurel sulfate and alkyl polyoxyethylene sulfates; sulfonates such as quaternary ammonium compounds; nonionic materials such as polyoxyethylene fatty alcohol ether