本文讨论了金属加工液的类型、相应的功能以及在整个工业中的应用。介绍了与正确使用此类液体有关的各种安全、健康和环境问题的信息。主要关注特定的流体管理和回收技术，以提高冷却液的清洁度和维护。向读者提供基线信息，以帮助他们建立自己的内部冷却液管理/废物最小化计划。这些信息有助于延长溶液寿命，并最大限度地减少相关废物。

THIS PAPER DISCUSSES THE TYPES OF METAL WORKING FLUIDS, THEIR CORRESPONDING FUNCTION, AND USES THROUGHOUT INDUSTRY. INFORMATION IS PRESENTED CONCERNING THE VARIOUS SAFETY, HEALTH, AND ENVIRONMENTAL ISSUES RELATING TO THE PROPER USE OF SUCH FLUIDS. PRIMARY FOCUS IS ON SPECIFIC FLUID MANAGEMENT AND RECOVERY TECHNIQUES TO IMPROVE COOLANT CLEANLINESS AND MAINTENANCE. THE READER IS PROVIDED WITH BASELINE INFORMATION TO AID IN SETTING UP AN IN-HOUSE COOLANT MANAGEMENT/WASTE MINIMIZATION PROGRAM OF THEIR OWN. THIS INFORMATION CAN SUBSEQUENTLY HELP IN PROLONGING SOLUTION LIFE AND MINIMIZE RELATED WASTE PRODUCTS.