Notes that with the introduction of hydrofluorocarbon refrigerants there has been a move away from conventional mineral oil basestocks to refrigerant lubricants based on polyol esters. As with all new applications the onus is on responsible manufacturers to provide competent advice on the use and disposal of these new substances. Presents an overview of this area. Deals with storage and logistical issues, handling of polyol ester basestocks, addivated oils and disposal and reuse.

KEYWORDS: year 1995, Refrigeration, lubricants