COMPARING SUBSTITUTES FOR CR AND CU, TO PREVENT POLLUTION

The following information should be considered as the opinion of the a uthor, based on experience and discussions with individuals he conside rs ''in the know.'' Because there are many suppliers of some of the pr ocesses under discussion, it is likely that a problem mentioned for th e type of processes in general may not apply to a specific process fro m a specific supplier. Additional caution should be taken, because eac h metal finishing plant is unique enough that there will often be majo r exceptions as to the applicability, benefits, or disadvantages for a specific application.