Page 164 - Praxair - Specialty Gases and Equipment Reference Guide

Environmental

Zero Gases and Customer Service

Zero Gases for Environmental Applications Industry Leading Customer Support
Setting New Standards of Purity North America Technical Support Center
The U.S. Environmental Protection Agency (EPA) regulations Praxair takes your productivity to the next level by giving
40 CFR Parts 50, 58, 60, 75 and 266, state that the zero you easy access to industry-leading technical support. By
grade air or zero grade nitrogen used for Continuous making a simple call to 1-877-PRAXAIR (1-877-772-9247),
Emission Monitoring (CEM) must contain no detectable you can quickly discuss technical questions or needs with
concentration of the pollutant of interest. Furthermore, one of our trained experts.
the zero gas should contain no contaminants that cause Offers detailed support across Praxair’s full line of specialty
a detectable response to the analyzer or that suppress or gases and equipment Praxair experts are ready to help with
enhance the analyzer’s response. If the zero gas is not all of your technical needs, including:
certified to be free of critical contaminants, it could be out ■ Application support
of compliance.
■ Valve selection guidelines
The Purity and Reliability You Need ■ Custom safety data sheets
Praxair’s CEM Zero Air and CEM Zero Nitrogen are ■ Mixture feasibility review
developed to meet the stringent requirements of the ■ Regulatory compliance inquiries
U.S. EPA 40 CFR Parts 50, 58, 60, 75 and 266. Our ■ Safety guidance
manufacturing and certification specifications meet ■ Up-to-date catalog information
industry standards as well as federal, provincial, state
and local regulations. Customer Care Center
Provides a single point of contact for all the information
Clean, Convenient Packaging you need about your account. Your dedicated account
Praxair’s CEM Zero Air and CEM Zero Nitrogen are manager is available to answer any questions you may
packaged in aluminum cylinders. This standard size have, including:
cylinder (AS) holds 145 ft of air and 143 ft of nitrogen. ■ Account set-up
3
3
Larger and smaller containers are also available. ■ Product pricing and quotations
■ Order tracking
Features
■ Meets all U.S. EPA zero and calibration gas standards. ■ Custom specifications
■ Stocking programs available. ■ Delivery inquiries
■ Immediate delivery via Praxair truck to most locations Our commitment to helping you build your productivity
■ Over 400 distribution locations nationwide to serve you. goes beyond just high-quality products and knowledgeable Environmental
■ Available in light-weight aluminum cylinders. staff – Praxair offers technical service and support,
Complete specifications for additional grades of air and designed to connect you to the breadth and depth of
nitrogen can be found on page B•24 (Air) and page B•66 Praxair’s expertise acquired over the century we have
(Nitrogen). been in the specialty gas business. The bottom line? No
matter what you’re looking for, 1-877-PRAXAIR is your
right call, first time, every time.

Product Specifications 1-877-PRAXAIR is available Monday through Friday,
7:30 a.m. to 6:30 p.m. Eastern time. Prefer email,
CEM Zero CEM Zero drop us a line at specialtygases@praxair.com
Air Nitrogen
Part Number AI 0.0CE NI 5.5CE
H 2 O < 2 ppm < 2 ppm
CO 2 < 1 ppm < 1 ppm
CO < 0.5 ppm < 0.5 ppm
O 2 19.9 - 21.9% < 0.5 ppm
THC < 0.1 ppm < 0.1 ppm
NOx < 0.1 ppm < 0.1 ppm
SO 2 < 0.1 ppm < 0.1 ppm

1-877-PRAXAIR www.praxairdirect.com D•163