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Health hazard evaluation report: HETA-93-040-2315, Anchorage Fire Department, Anchorage, Alaska.

Authors
Lenhart-SW; Burroughs-GE; Pfirman-DM
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, HETA 93-040-2315, 1993 May; :1-20
NIOSHTIC No.
00215689
Abstract
In response to a request from the Fire Chief of the Anchorage Fire Department (SIC-9224), Anchorage, Alaska, an investigation was begun into possible hazards associated with irritant smoke used for fit testing of self contained breathing apparatus (SCBA). Four of 186 fire fighters had reported experiencing either skin irritation or eye irritation resulting from qualitative fit tests using irritant smoke from air flow indicator tubes containing stannic-chloride. Particle size analysis of the smoke emitted from air flow indicator tubes was conducted, and the concentration of hydrogen-chloride (7647010) produced by these tubes was measured. Count median diameters of the smoke ranged from 0.33 to 0.63 micrometers with geometric standard deviations ranging from 1.35 to 2.13. Concentrations of hydrogen-chloride measured without a hood in place on a day with low relative humidity ranged from less than 1 part per million (ppm) to 2,700ppm. Similar measurements on a day with high relative humidity ranged from 100ppm to 11,900ppm. The authors conclude that exposure to the fume from the smoke tubes should be considered a health risk due to the high concentrations of hydrogen- chloride. The authors recommend that fit tests be conducted with the full facepiece air purifying versions of the facepieces used with the SCBAs.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-93-040-2315; Hazard-Confirmed; Region-10; Firemen; Respiratory-protective-equipment; Respiratory-irritants;
CAS No.
7647-01-0
Publication Date
19930501
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1993
NTIS Accession No.
PB94-108172
NTIS Price
A03
Identifying No.
HETA-93-040-2315
NIOSH Division
DSHEFS
SIC Code
9224
Source Name
National Institute for Occupational Safety and Health
State
AK; OH
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