These gas mixtures are used for the
calibration and audit of Continuous Emission Monitors (CEMs).
GTS-Welco's Protocols are NIST traceable with a +/- 1%
accuracy, produced in accordance with the latest EPA
specifications.
EPA Protocol gas mixtures are required for the monitoring of
emissions from stationary sources. The specifications
include:
» Certified analytical accuracy of +/- 1% NIST traceable for
reliable analyzer, certification, calibration, and audit.
» Standards are labeled and supplied with the complete and
required documentation to help ensure you are in compliance.
» Cylinder treatment process ensures maximum allowed shelf
life within the stated analytical uncertainty.
» Praxair maintains a complete range of NIST Standard
Reference Materials (SRMs) and NIST Traceable Reference
Materials (NTRMs).
Clean, Convenient Packaging
GTS-Welco's EPA Protocols are packaged in aluminum
cylinders. The 265 cubic foot size is the standard. Other
cylinder sizes and materials (e.g., steel) may be available.