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Science Inventory
This is an older EPA product. It may be available from EPA's National Service Center for Environmental Publications (NSCEP) and it should be available from the National Technical Information Service (NTIS).
- Search the NSCEP publications database
- Search the National Technical Information Service online database
Reference:
A PROCEDURE FOR ESTABLISHING TRACEABILITY OF GAS MIXTURES TO CERTAIN NATIONAL BUREAU OF STANDARDS STANDARD REFERENCE MATERIALS (EPA600781010)