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ANSI/ISEA 104-1998 (R2015)
American National Standard for Air Sampling Devices – Diffusive Type for Gases and Vapors in Working Environments

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ANSI/ISEA 104-1998 (R2015)
American National Standard for Air Sampling Devices – Diffusive Type for Gases and Vapors in Working Environments

(NOTE: This is available as a digital download)

This standard seeks to provide manufacturers and end users of diffusive samplers with guidance concerning the tests to be used in evaluating samplers for various air sampling applications.  It includes evaluation parameters which are used to characterize diffusive samplers with respect to their ability to determine the concentrations of gases and vapors in working environments.

The reporting and labeling requirements will permit informed users to properly select and use the subject devices in measuring time-weighted-average workplace exposures in compliance with exposure limit values (ELVs) and for other purposes. The standard is not intended as a means of sampler classification, nor as a means by which the performance of different samplers can be strictly compared.