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Development of a low cost ethylene oxide detector, phase II final report.

Authors
Hyatt-D; Stewart-R; Butz-J
Source
ADA Technologies, Inc., Englewood, Colorado 1992 Aug; :1-83
Link
NIOSHTIC No.
00211764
Abstract
An effort was made to design, test and build a prototype ethylene- oxide (75218) (EtO) monitor for use in hospitals where exposure to EtO is possible during the sterilization of equipment. In the model, room air serves as the carrier gas. The device operated continuously as a direct reading instrument and consisted of a combustibles trap and a dryer, a Teflon gas chromatography column, a solid state gas sensor and a programmable microcontroller to control various items throughout the cycle. EtO could be detected at a concentration of 0.2 parts per million (ppm). A digital concentration reading was updated every 2 minutes. Values of EtO concentration were computed and stored for 15 minutes and for determinations of the 8 hour time weighted average readings. It was anticipated that the commercial cost of the instrument would not exceed 5,000 dollars. It was also expected that this device would overcome the shortfalls of some of the commercial instruments now available in the area of interferences from other compounds.
Keywords
NIOSH-Grant; Grants-other; Health-care-facilities; Air-quality-monitoring; Air-sampling-equipment; Gas-detectors; Chromatographic-analysis
CAS No.
75-21-8
Publication Date
19920831
Document Type
Final Grant Report
Funding Amount
396315
Funding Type
Grant
Fiscal Year
1992
NTIS Accession No.
PB93-159366
NTIS Price
A06
Identifying No.
Grant-Number-R44-OH-02662
NIOSH Division
OEP
Priority Area
Other Occupational Concerns; Grants-other
Source Name
ADA Technologies, Inc., Englewood, Colorado
State
CO
Performing Organization
Ada Technologies, Inc 304 Inverness Way South Englewood, CO 80112
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