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Regulatory compliance. The CAS. Surveyor: Regulatory Compliance is a convenient CD-ROM version of chemicals regulated by EPA, Envi ronment Canada ...
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is discussed in this catalog. All equipment is CFC free; models have temperature ranges from —30 °C to + 200 °C with accuracy of ±0.01 °C and come with a choice of program­ mable, digital, standard, or analog controllers. PolyScience 115

EC 1000 pH/ORP Process Monitoring Systems

Capillary electrophoresis. Two publication notes discuss the analy­ sis of inorganic cations and free metals in solution by capillary elec­ trophoresis. Application Note 91 covers the analysis of inorganic cat­ ions; Technical Note 35 covers the analysis of free metals in solution. These notes include sections on useful equipment, conditions, solu­ tions, and reagents. Dionex 116

Forget g r a b sampling! If y o u ' r e looking for a w a y to improve treat­ ment performance, c o n t r o l corrosion or g a u g e the efficiency of your d i s i n f e c t i o n processes, there's no substitute for contin­ uous on-line monitor­ ing w i t h EClOOO Process pH and Process O R P systems. For m o r e i n f o r m a t i o n , call 1 - 8 0 0 - 2 2 7 - 4 2 2 4 .

HACH

HACH COMPANY P.O. Box 389 Loveland, CO 80539

S-A273 REFER TO KEY NO. 9

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Soil vapor extraction system. A 4-page brochure describes VACPAC, a technique for the re­ moval of hydrocarbon contami­ nants through the creation of a vac­ uum. Bisco Environmental 117

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Environmental testing supplies. A 40-page catalog discusses mem­ branes for water microbiology, me­ dia for the detection of total coliforms and E. coli, a m e m b r a n e filtration method for monitoring drinking water, hazardous waste equipment, and test kits for lab and on-site analysis of environmental contaminants. Millipore 118

ACS

Regulatory compliance. The CAS Surveyor: Regulatory Compliance is a convenient CD-ROM version of chemicals regulated by EPA, Envi­ ronment Canada, and the European Commission. This is a useful source for compliance information. Call (800) 753-4227. Chemical Abstracts Service 119

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Environ. Sci. Technol., Vol. 28, No. 12, 1994

543 A