ENVIRONMENTAL SCIENCE & TECHNOLOGY
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Matheson® U The premiere research publication in the environmental field. Environmental science continues to be one of the fastest growing fields. And ES&T has grown right along with it! ES&T continues to give you the practical, hard facts you need on this science... covering research, techniques, feasibility, products and services. Essential reading for environmental scientists both in the business and academic world . . . ES&T has increased its emphasis on peerreviewed research dealing with water, air, and waste chemistry in addition to adding critical reviews of important environmental science issues—all relevant to understanding the management of our natural environment. Also included are discussions on environmental analyses, governmental regulations, current environmental lab activities, and much more! For rate information, and to subscribe, call toll free:
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nbreakable, durable stainless steel flasks with high vacuum insulation. Six sizes are available, from 0.5 liters to 6.0 liters. Use these flasks for cold traps, cold baths or for storage and transport of liquid oxygen, nitrogen and other low temperature gases. Also suitable for use with high temperature materials and for high temperature baths. For specifications, evaporation rates, performance comparison and prices, use the Reader Service Number or contact:
M a t h e s o n Gas Products 30 Seaview Drive Secaucus, NJ 07096-1587 CIRCLE 95 ON READER SERVICE CARD..
