Abstract: An effective, environmentally, friendly insecticide and method of application are described herein. The conventional insecticide d-limonene is combined with diacetone alcohol to enhance its lethal properties. An emulsion concentrate is first prepared using d-limonene, diacetone alcohol, polyglycol ether and methyl soyate. This concentrated emulsion mixture can then be stored for use as needed. When needed this concentrated emulsion is mixed at a ratio of 10 parts by weight emulsion and 90 parts by weight of water to form an effective mixture for spraying in a modified manual garden sprayer having two spray wands.

Abstract: A method of maintaining and servicing air conditioning systems and compositions therefor are provided whereby newer, more environmentally friendly R-134a refrigerant gas is substituted for the older R-12 and R-22 types. In addition, a method of flushing and internal lubrication of the system is presented, along with a new flush solvent and a new lubricant composition for use with an R-134a refrigerant gas.

Abstract: Novel sunscreening formulations containing halocarbon oil of the formula--(CF.sub.2 CFCl).sub.n --. Such formulations show superior shelf life and ability to withstand immersion in water while maintaining their sunscreening properties.