Designed to repel water and water-based solutions, absorbing only oil-based fluids Designed for use in tight spaces, under valves or under machinery lifted off the floor, pillows provide the greatest absorbency per square inch White absorbents pick up petroleum-based fluids, paints and non-water soluble chemicals while repelling water - great for indoor and outdoor use Oil Only absorbents are unaffected by temperature and impervious to rot and mildew Floats indefinitely even when saturated with oil Compliance OSHA 29 CFR 1910.22(a)(2); EPA 40 CFR 112.7(c)(1)(vii); OSHA 29 CFR 1910,120(j)(1)(vii).