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ES&T PRODUCTS AIR POLLUTION Low NO x burner. The ATLAS sys­ tem delivers ΝΟΛ. reductions; N O , levels below the EPA s t a n d a r d of 0.5 lb/MBtu have been achieved on a long-term basis. Phoenix Combus­ tion 100 Continuous emissions monitor. This monitor uses an array of sen­ sors to measure oxides of nitrogen, carbon monoxide, a n d oxygen, and a single electronics package for sig­ nal p r o c e s s i n g a n d c o m m u n i c a ­ tions. Entire system can be m o u n t e d on an exhaust system and exposed to the weather. Catalytica 101

Solid-phase extraction. Spec 3ML and Spec 6ML provide fast, accu­ rate, and reproducible sample prep­ aration. Ansys 107

u m n technology to p r o v i d e high­ s p e e d a n a l y s i s t h a t is six t i m e s faster t h a n t r a d i t i o n a l p a c k e d or capillary columns. MSA 111

UV hazard meter. T h e Model 6D UV hazard meter indicates hazards to skin and eyes from ultraviolet ra­ d i a t i o n present in i n d u s t r i a l pro­ cesses s u c h as u l t r a v i o l e t c u r i n g a n d w e l d i n g , a n d in a p p l i c a t i o n s w h e r e h i g h - i n t e n s i t y l a m p s are used. Solar Light 108

W e a t h e r i n g tester. T h e UVCON F l u o r e s c e n t UV C o n d e n s a t i o n Weathering Device is used for ex­ posing materials to light, moisture, a n d t e m p e r a t u r e c o n d i t i o n s . Atlas Electric Devices 112

Vapor lock. Ultra Vapor Lock traps v a p o r s and e l i m i n a t e s or r e d u c e s the escape of volatile organic com­ p o u n d s . It is said to meet pending EPA closed-container regulations. UltraTech International 102

Filter membrane. Cyclopore mem­ branes are used in air monitoring; n u c l e i c acid s t u d i e s ; blood filtra­ tion for analysis of red blood cells; a n d wet c h e m i c a l , s p e c t r o s c o p i c , microscopic, a n d microbial analy­ ses. W h a t m a n 113

Scrubbers. Waterweb scrubbers are cart mounted and can be used for many applications including labo­ ratory hoods, gas cabinet venting, acid digestion, c h e m i c a l reaction and process vessels, and odor con­ trol. Misonix 103 Stack sampler. The Universal stack sampler is designed to sample gas s t r e a m effluents isokinetically in a c c o r d a n c e with EPA p r o c e d u r e s . Graseby Anderson 104

HAZARDOUS WASTE Marking system. Biocide is a finger­ printing method that can be used to label any bulk product and to trace the source of effluents and to iden­ tify and track leaking storage facili­ ties. Biocode 105

INSTRUMENTS Microscope. Useful in the field of health care, materials science, elec­ tronics, agriculture, and food prepa­ ration. Olympus America 106 Need more information about any items? You can now contact the manu­ facturer directly by phone or fax by us­ ing the new 'Έβ&Τ Information Ex­ press" page (p. 404A). The phone numbers and names of customer ser­ vice representatives are also listed for advertisers.

Lab shaker. A medium-size shaker handles loads u p to 16.5 lb, with or­ bital or r e c i p r o c a t i n g m o v e m e n t . IKA-Works 114 Stirrer motor. T h e Model RW 16 stirrer motor features a speed range of 4 0 - 1 2 0 0 rpm, steplessly adjust­ able without switching gears. IKAWorks 115

Desorbers furnace. A sample tube furnace on the Tekmar AEROTrap series a c c e p t s air-sampling tubes. The furnace has a desorb tempera­ ture of u p to 420 °C making it com­ patible with any adsorbent material. AERO's c a n i s t e r - b a s e interface is useful w i t h the thermal desorber. Tekmar 109

A u t o s a m p l e r . T h e A S - 7 1 is for graphite furnace atomic absorption (AA) spectrometers and the AS-91 is for flame and flow injection AA. Perkin-Elmer 116

Autosampler for HPLC. T h e Star 9300 HPLC AutoSampler improves laboratory productivity by calculat­ ing r u n n i n g times, and minimizes t h e v o l u m e of s a m p l e n e e d e d to a c h i e v e p r e c i s e loop-valve injec­ tions. Varian Analytical Instru­ ments 110

ICP. A bench-top inductively cou­ p l e d plasma mass spectrometer is used for the determination of trace metals in the environmental, chem­ ical, geological, semiconductor, nu­ clear, a n d b i o m e d i c a l i n d u s t r i e s . Hewlett Packard 117

PUBLICATIONS

High-speed GC. The Ekho Gas Chromatograph uses an innovative colCompanies interested in a listing in this department should send their re­ lease directly to Environmental Science & Technology, Attn: Products, 1155 16th St., N.W., Washington, DC 20036.

Product catalog. Products from ATI Orion and ATI Cahn are listed in­ cluding pH, ISE, D.O., and conduc­ tivity probes a n d meters, microbal­ ances, titrators, Sage p u m p s , and a w i d e range of laboratory accesso­ ries. Orion Research 118

Environ. Sci. Technol., Vol. 28, No. 9, 1994 447 A