LITERATURE Boiler sludge control. Data Sheet ΙΟ­Ι 40 describes a formulation used to prevent scale and sludge accumulation in steam boilers. Calgon 151

Valves for chlorine. Data bulletins PDD-8, PDBF-3A, and PDB-5B fea­ture valves usable in chlorine systems. These valves can withstand the reac­tivity and toxicity of chlorine. Hills-McCanna 152

Analytical services. Brochure sets forth a full range of analytical services for environmental, industrial, engineering, and goverment organizations. State-of-the-art techniques are used. Gam-bridge Analytical Associates 153

Lagoon liners. Technical literature describes polymeric leakproof liners for ponds, lagoons, and landfills. Dif­ferent types of polymers available. Sarnafil (U.S.) 154

Fluid handling valves. Brochure de­scribes two- and three-way flow con­trol solenoid valves of Teflon, used for critical fluid handling applications. Cryogenics, and water and wastewater sampling are among applications. Fluorocarbon 155

Leak control. Brochure, "Wasted Water Can Cost You a Fortune," features instruments and techniques for leak detection, prevention, and control, and shows how an undetected water leak can cost as much as $16 000/year. Jerman 156

Drum lids. Catalog sheet describes lids that can fit even old drums, and protect contents against rain, ice, snow, fumes, and other contamination sources. 45-and 60-mL polyethylene; can stand pal­letized stacking. CDF 157

Gases. 1982 General Catalog No. 91 presents a full line of pure and research gases, gas mixtures, and electronic gases, with guides to selecting proper regulators, and the like. Scientific Gas Products 158

Need more information about any items? If so, just circle the appropriate numbers on one of the reader service cards bound into this issue and mail in the card. No stamp is necessary.

Air analyzers. "Short-Form Catalog" describes basic analyzers and cali­bration instruments and standards for S0 2 , H2S, NO, N 0 2 , ozone, and hy­drocarbons. Columbia Scientific In­dustries 159

Inorganic chemicals. Catalog JJ-15 lists more than 250 ACS- and re­agent-grade inorganic chemicals for use by analytical chemists. Hazards and special handling codes are in­cluded. Eastman Kodak 160

Biological wwt. Brochure describes Biomass engineering approach for solving biological wastewater treat­ment (wwt) problems and cleaning up organic hazardous wastes. Polybac

161

Liquid chromatography. March 1982 issue of TECHSCAN features in­strument hardware and software for liquid chromatography (and other applications) brought out at the "Pittsburgh Conference." Du Pont

162

Pipette cleaner. Brochure sets forth Models 25 and 25X Ultrasonic Pipette Cleaners that can clean without pre-rinsing or acid preparations. Works even for normally inaccessible areas. Heat Systems-Ultrasonics 163

Solar simulators. Brochure describes simulators of solar energy, with ap­plications for photovoltaics, solar cell response, materials lifetimes, sun­screen formulating, etc. Kratos 164

Microbiocide. Bulletin 11-144 de­scribes a liquid broad-spectrum mi­crobiocide for controlling algae, fungi, and bacteria in cooling air and water systems. Calgon 165

Water management service. Bulletin 672 describes Point-of-Feed service by which (for water management) only the actual amount of chemical needed is supplied. BETZ Laboratories 166

Thermoplastic piping. 1982 Mail Order Catalog announces a whole line of thermoplastic piping, valves, and controls for waste treatment, and many other applications needing cor­rosion-resistant products. Utilities Supply 167

Maintenance hose. Brochure describes maintenance hose with new type of construction offering light weight, re­sistance to chemicals and ozone dete­rioration, toughness, and easy cleaning. Angus Fire Armour 168

Spectrofluorometers. Brochure fea­tures SPEX FLUOROLOG Series 111C-222 spectrofluorometer for various research requirements and budget limitations. Can be configured to meet individual needs. Computer control. SPEX Industries 169

pH meters. Brochure lists whole line of pH meters and electrodes that are ion-selective. Orion Research 170

Laboratory equipment. 1982 Winter Catalog lists pH meters, conductivity analyzers, dissolved-Oxygen meters, many other accessories and items. Markson Science 171

Purge-and-trap. Paper describes the use of EPA Method 602, purge-and-trap, to analyze industrial wastewater for toxic residue from volatile aro-matics. Tests highly sensitive and definite. Varian Instruments 172

Animal behavior studies. Brochure explains how Apple-II computer can be used for animal behavior studies. Could have behavioral toxicology ap­plications. Columbus Instruments In­ternational 173

Sludge drying. Application report tells how steam from incineration process can transfer heat to indirectly heated Porcupine sludge dryers and gain many advantages. The Bethlehem Corporation 174

Pressure gauges. Bulletin A-30S lists pressure gauges (differential) from 0-30 to 0-100 psig, and even one that can show 500 psig. Dwyer Instruments

175

Companies interested in a listing in this department should send their releases directly to Environmental Science & Technology, Attn: Literature, 1155 16th St., N.W., Washington, DC. 20036

300A Environ. Sci. Technol., Vol. 16, No. 5, 1982

ES&T

pH meters. Brochure describes ion-selective and pH meters and elec­trodes. Included are 1,3 meters, 26 pH electrodes, 32 ion-selective electrodes, four reference electrodes. Orion Re­search 176

Environmental analysis. Brochure ex­plains the role of gas chromatogra-phy/mass spectrometry (GC/MS) in environmental analysis, and the use of GC/MS to analyze for priority pollu­tants, and other materials. Finnigan MAT 177

Analytical services. List of analytical services is set forth in 1982 Analytical Laboratories Services Fees Schedule Catalog. Many tests available. Crip-pen Laboratories 178

Water quality services. Brochure lists line of hydrographie and water quality services, and geohydrological investi­gations that company can handle. Environmental Resources Manage­ment 179

Centrifugal sifter. Literature No. CS-81 describes versatile centrifugal sifter for use with chemicals, resins, biologicals, and a wide variety of powders and granular materials. Kason 180

Gel permeation chromatography. Re­lease announces VISTA gel perme­ation chromatography (GPC) soft­ware package for fast calculation of molecular weight averages and distri­butions. Can be used with Apple II microcomputer. Varian 181

Precious metal recovery. Bulletin 556 describes full line of method to recover gold, silver, rhodium, palladium, and other precious metal ions from rinse water. Ion charge and pH-indepen-dent. Sethco 182

Laboratory supplies. 1982 catalog lists laboratory supplies for many needs, and features a "no-hassle" way to place orders by telephone. Interex

183

Lubricants. Catalog lists whole line of lubricants and anti-seize compounds for metal parts on all sorts of industrial metal equipment. Among uses are chemical, wastewater treatment, other plants. Bostik/Never-Seez 184

Chemical catalog. Large catalog lists chemicals for chromatography, HPLC, isotope "tagging" with deute­rium, high-purity solvents, other needs. Crescent Chemical 185

Temperature, pressure. Catalog lists instrumentation for measuring tem­perature, pressure, humidity, and other such parameters with very sensitive sensors. Yellow Springs Instrument

186

Clarification. Technical bulletin de­scribes CycloSpray filter for clarifying liquids with solids content as high as 2000 ppm. Features low pressure drop and long-period unattended operation. Ronningen-Petter 187

Warning control. Bulletin 1008 de­scribes a warning control device that can be placed in a system to warn that a certain function was not performed by the system within the preset time frame. Vac-U-Max 188

Pumps. Bulletin NRP-1 describes use of high-volume axial and mixed flow pumps for an irrigation project for raising crop yields along the Nile River in Egypt. Project will irrigate 150 000 acres. Patterson Pump 189

Hazardous material detection. Form P-103 describes POLLULERT for detecting liquid hydrocarbon, and hazardous material leaks and spills.

Features continuous monitoring, early detection, low cost, proof in field. Pollulert Systems 190

Ultrasonic flowmeters. Catalog de­scribes company's diverse clamp-on ultrasonic flowmeters for use with clean or "dirty" liquids, high pres­sure/temperature situations, other applications. Controlotron 191

Meteorological equipment. Catalog lists and describes hundreds of high-quality weather monitoring instru­ments for air pollution, alternative energy, many other uses. Weather-Measure 192

Waste management. Brochure de-' scribes company's services in waste management, with emphasis on RCRA/Superfund compliance, many other needs. Shannon & Wilson

193

Heat reuse. Catalog VXC-93 lists VENT-X-CHANGER for recovering and reusing heat from exhaust air to preheat incoming fresh air. Only one major connection required. The Wing Company 194

THE LANGUAGE OF GEOLOGY... IN NO UNCERTAIN TERMS. Glossary of Geo logy Second Edi t ion Robert L. Bates and Jul ia A. Jackson

The vocabulary of the geosciences complete in one volume. The Glossary of Geology contains 36,000 entries and represents the work of over 150 leaders in the field. The most authoritative guide to the earth and planetary sciences available today .. and a mainstay for any professional library.

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Chromatography. Supelco Reporter, first edition, contains interesting arti­cles on GC, HPLC, and chemical standards. Contains article on myco-toxin quantification; other topics fea­tured. Supelco 195

Soil analysis. "Chemical Analysis of Polluted Soils," EPA Publication No. 139, November 1981, Quote 80/1107. Standardizes methods. Information Services Branch. Environment Pro­tection Authority, 240 Victoria Pa­rade, East Melbourne, Vic. 3002, Australia (write direct)

Food waste disposal. "Disposing of Food Service Disposables" tells how to do so properly. Environment & Health Committee of the Single Service In­stitute, 1025 Connecticut Ave., N.W., Washington, D.C. 20036 (write di­rect)

Hydrogen sulfide. CGA Pamphlet G-12-1981 (price, $6.50) explains sources, safe uses, and properties of hydrogen sulfide. Compressed Gas Association, Inc., 1235 Jefferson Davis Highway, Arlington, Va. 22202 (write direct)

Oil/gas pollution. Publication, "They Are Drilling on the Back Forty! What Do I Do Now?" gives step-by-step in­structions on reporting pollution inci­dents. Oklahoma State Department of Health, P.O. Box 53551, Oklahoma City, Okla. 73152 (write direct)

SO2 emission/control. Report No. 1/82, "S0 2 Emission Trends and Control Options in Western Europe." CONCAWE, Babylon-Kantoren A, Koningin Julianaplein 30-9, 2595 AA Den Haag, the Netherlands (write direct)

Vapor recovery. Publication, "Are These Nozzles Really Worth It?" gives instructions for proper nozzle operation at service stations, other such places. Bay Area Air Quality Management District, 939 Ellis St., San Francisco, Calif. 94109 (write direct)

Pollution assessment. Study assesses industrial change and environmental pollution in England's West Midlands. Joint Unit for Research on the Urban Environment, University of Aston in Birmingham, Gosta Green, Birming­ham B4 7 ET, England (write direct)

Environmental balance. Report: "The Chemical/Environmental Balance: Where Does America Stand?" looks at chemical industry's work for environ­mental protection. Thomas J. Gilroy, Chemical Manufacturers Association, 2501 M St., N.W., Washington, D.C. 20037 (write direct)

Engineering assurance. Brochure lists engineering inspection and testing services. The Unit Inspection Com­pany Ltd., 35-37 Grosvenor Square, London SW1W OBS, England (write direct)

Chemical health/safety. Information concerning membership in the Division of Chemical Health & Safety of American Chemical Society. D. Hedberg, c/o Lab Safety Supply Company, P.O. Box 1368, Janesville, Wis. 53547 (write direct)

Ozone congress. Release announces availability of proceedings of Fifth Ozone World Congress (Berlin, West Germany) of 1981. Cost is $75. The International Ozone Association, Tower Suite 510, 301 Maple Ave. W., Vienna, Va. 22180 (write direct)

Bibliography and Index of Geology

60,000 References Say Wfefe the Best. Now, for the l ibrarian who takes pride in fielding the most arcane earth-science in­quir ies f r om professionals, researchers and students, the most comprehens ive, accurate and up to date earth science ref­erence ever available . . . the Bibl iography and Index of Geology. FOR JUST $925 ADD AN INSTANT GEOSCIENCE WING TO YOUR LIBRARY! The equivalent of thousands of serials, hun­dreds and hundreds of books, a plethora of U.S.G.S open-fi le reports and mounta ins of maps and theses (and required stack space), 60 ,000 reference entries are mas­terfully condensed into one compact knowl­

edge source that for professor or pupi l , geologist or researcher stands alone as the one definitive earth science reference. UP-TO-DATE .. . EASY TO USE .. . INDISPENSABLE Subscr ibers to the Bibl iography receive 12 monthly issues (5,000 references each), plus a set of ha rdbound cumulat ive vol­umes for the year. Extensive c ross -referencing makes it easy for newcomers and professionals alike in the var ious interfacing disciplines to maximize usage benefits. It's no wonder geoscientists and librarians call the Bibl iography and Index of Geology the essential cornerston any complete earth-science library

SUBSCRIBE NOW! To order the Bibliography, just complete the form and mail it to the American Geological Institute. Or call us toll-free at 800/336-4764. D I would like subschption(s) to the

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