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Industrial Hygiene Survey Report of Seattle Metro, Ryerson Base, Seattle, Washington, Report No. IWS-163-2-01.

Authors
Piacitelli-G
Source
NIOSH 1990 Aug:23 pages
Link
NIOSHTIC No.
00197971
Abstract
In an effort to evaluate worker exposure, personal protective equipment and engineering controls during the refueling, repairing, and operating methanol (67561) powered transit buses, a visit was made to the Seattle Metro Ryerson Base (SIC-4111) located in Seattle, Washington. The worst case 8 hour time weighted average was estimated to be only 5 parts per million (ppm). Instantaneous measurements occasionally indicated concentrations up to 2200ppm while draining fuel lines and up to 1400ppm during refueling. No quantifiable methanol vapors were found in the passenger compartment of an operating bus nor were any combustion products detected except in the immediate exhaust stream. Improvements in personal protection and work practices were suggested which included the regular wearing of safety goggles and impermeable elbow length gloves when fueling or opening fuel lines, modifying work practices, regular inspection and immediate repair of fuel line fittings, utilizing engineering controls which minimize the release of methanol liquid or vapors, and developing a plan of action between all responsible parties and providing the appropriate training in the event of a methanol spill or fire.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; IWS-163-2-01; Region-10; Bus-drivers; Maintenance-workers; Automobile-repair-shops; Fuels; Organic-vapors; Alcohols;
CAS No.
67-56-1;
Publication Date
19900810
Document Type
Industry Wide;
Fiscal Year
1990
NTIS Accession No.
PB91-189019
NTIS Price
A03
Identifying No.
IWS-163-2-01
NIOSH Division
DSHEFS;
SIC Code
4111;
Source Name
Division of Surveillance, Hazard Evaluations and Field Studies, NIOSH, Cincinnati, Ohio, Report No. IWS-163-2-01, 23 pages, 36 references
State
WA; OH;
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