Personal Atmospheric Gas Sampler with Critical Orifice. Part I. Development and Evaluation.

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Abstract:

A small, lightweight, portable personal sampler designed for collecting time-integrated air samples has been developed. This device uses the critical orifice concept with an evacuated container. Thus the sampling interval is dictated by the size of the orifice and volume of the sampler container. Through proper selection of orifices, this technique is capable of detecting concentration transients or will sample constantly for intervals up to 8 hours with a 100-cc container shirt-pocket sampler. The personal sampler has been used to evaluate atmospheres containing the contaminants CO, CH4, CO2, CF2Cl2, CFCl3, C2H6, CH2CHCl, CH2CCl2, C6H14, and C6H6. Author

Author(s):
Eaton, H. G. ; Stone, J. P. ; Williams, F. W.
Author Organization(s):
NAVAL RESEARCH LAB WASHINGTON D C
Descriptive Note:
Interim rept.,
Pagination:
0015

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
NRL-7963
Project Number(s):
NRL-C08-40
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*AIR POLLUTION, *SAMPLERS, TRANSIENTS, DETECTORS, GAS ANALYSIS, HYDROCARBONS, LIGHTWEIGHT, CONTAINERS, FLOW, CARBON MONOXIDE, CARBON DIOXIDE, MANPORTABLE EQUIPMENT, HALOGENATED HYDROCARBONS, CONCENTRATION(CHEMISTRY), GAS CHROMATOGRAPHY, ORIFICES, OCCUPATIONAL DISEASES
Field(s)/Group(s):
Air Pollution and Control
Keyword(s):
Gas samplers, *Air pollution sampling
Report Date:
1976 Feb 13