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A survey of health hazard control systems for formaldehyde production facilities, report no. CT-114-04.

Authors
Dunn-DW; Hedley-WH; Johnson-ML; Toy-HD; Wright-AJ; Barrett-GJ
Source
NIOSH 1984 Sep; :1-60
NIOSHTIC No.
00206120
Abstract
The principal objective of this study was to survey the health hazard control systems used in the formaldehyde production industry. Preliminary visits were made to 11 formaldehyde production facilities. One week on/site visits were made to four facilities. All of the personal and area air quality samples taken indicated that the operators were exposed to formaldehyde (50000) at lower concentrations than the OSHA permissible exposure limit (PEL) of 3 parts per million. It was noted that the operator exposure when loading a rail car or tank truck where loading is not provided with local exhaust ventilation control could exceed OSHA limits, depending on weather conditions such as wind direction and speed. Methanol (67561) exposures also did not exceed the PEL of 200 parts per million. The following engineering controls were found to be effective: double or single mechanical seals on pumps; reuse of absorber emissions; purge collection systems; water scrubber on storage tank emissions; water scrubber on loading ventilation system; automatic loading; condensing loop on methanol storage tank emissions; and enclosed process.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; CT-114-04; Contract-IA-81-57; Region-2; Control-technology; Chemical-manufacturing-industry; Occupational-exposure; Air-quality-control
CAS No.
50-00-0; 67-56-1
Publication Date
19840901
Document Type
Control Technology; Field Studies
Funding Type
Interagency Agreement
Fiscal Year
1984
NTIS Accession No.
PB92-184266
NTIS Price
A05
Identifying No.
IA-81-57; CT-114-04
NIOSH Division
DPSE
Priority Area
Control-technology
Source Name
National Institute for Occupational Safety and Health
State
OH
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