Lab safety. Bulletin 202D addresses safety requirements and equipment for the laboratory. A bibliography of safety equipment literature and films is included. A full line of items is listed. Fisher Scientific 188
Moisture titrations. Bulletin No. 390A describes system that can titrate liquid, gas, or solid samples for moisture content in concentrations up to 100%. Automatic, highly reproducible. Fisher Scientific 192
Water treatment. Announcement invites subscriptions to Water Treatment Report, which reviews and abstracts hundreds of sources of information in the field. Afterwards, readers can dig further for what they really need. $88/y. Technical Communications Associates 189
Slow irrigation. Publicity releases describe Leaky Pipe, a flexible buried pipe system for underground drip irrigation system. TREK Services 193 Chromatography. Information available describes custom-synthesized high performance liquid chromatography (HPLC) phases and column packings. ES Industries 194
OSHA compliance. Brochure announces occupational exposure guide that keeps an affected company upto-date on OSHA regulatory requirements. Loose-leaf binding, with supplementation service available. Initial cost, $95. J. J. Keller & Associates 190
Incubators. Brochure describes Heraeus incubators with precision electronic control of temperature, CO2 and O2 content, humidity, pH, and other factors, allowing an approximation of in vivo conditions. Tekmar 195
Breathing apparatus. Brochure describes Bendix Air 30 self-contained breathing apparatus for respiratory and eye protection in toxic, oxygendeficient, or combustible environments. Bendix 191
Mass spectrometer. Announcement sets forth availability of Micromass 7070E mass spectrometer, exhibited at Pittsburgh Conference this year. VG Analytical Ltd., Tudor Rd., Altrincham, Cheshire WA14 5RZ, England (write direct)
Earth science agencies. 1981 edition, "Worldwide Directory of National Earth Science Organizations USGS Circular 834, by Wenonah Bergquist, et al., is available. Branch of Distribution, U.S. Geological Survey, 604 South Pickett St., Alexandria, Va. 22304 (write direct) Radioactivity standards. Release of Dec. 10, 1981, announces availability of Standard Reference Materials for measuring/monitoring low-level radioactivity. Office of Standard Reference Materials, National Bureau of Standards, Washington, D.C. 20234 (write direct) Geothermal maps. Geological maps show geothermal areas in state. Department of Natural Resources, Division of Geology and Earth Resources, Mail Stop PY-12, Olympia, Wash. 98504 (write direct) Vegetative filter standards. Said to be economical for smaller feedlots. A. G. Taylor, Agriculture Advisor, Illinois Environmental Protection Agency, 2200 Churchill Rd., Springfield, 111. 62706 (write direct)
PHENOLS AND AROMATIC AMINES? We're the specialists in liquid c h r o m a t o g raphy for trace organic determinations. Let us know your problem. We will provide detailed applications support and a selection of instrumentation which will do your job in the most cost effective manner. LC systems based on ultraviolet a n d / o r electrochemical detection are tailor made for environmental analysis. Temperature control, gradient elution, automated trace enrichment, and column switching are options which may be adapted to your needs. Circle the bingo card for general information, but if you want specific answers, write to our Environmental Services Department and tell them what you can about your samples.
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Environ. Sci. Technol., Vol. 16, No. 3, 1982
