Search Results for the EPA National Library Catalog

Items Found: 5

Showing: Items 1 - 5

Your Search: (SUBJECT=Certified reference materials)


Select Item Title Year Published
A procedure for establishing traceability of gas mixtures to certain National Bureau of Standards standard reference materials / 1981
Demonstration of a long-range atmospheric tracer system using perfluorocarbons / 1981
NBS/EPA (National Bureau of Standards/Environmental Protection Agency) Certified Reference Material Performance Audit Program: Status Report 1. 1985
Performance Audit Program for Gaseous Certified Reference Materials. 1983
Two New Gas Standards Programs at the National Institute of Standards and Technology. 1993

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