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Survey report: control technology for FRP tank manufacture at FMC Corporation, Jonesboro, Arkansas, report no. CT-150-11a.

Authors
Swinehart-GL
Source
NIOSH 1985 Oct; :1-14
NIOSHTIC No.
00131534
Abstract
A survey of control technology for reducing styrene (100425) exposures during the manufacture of fiberglass reinforced tanks at the FMC Corporation (SIC-3522), Jonesboro, Arkansas was conducted in June, 1985. Breathing zone samples were analyzed for styrene. Engineering controls consisted of inserting a flexible duct that exhausted air at a rate of 350 cubic feet per minute into the tank during the tank bonding process and local ventilation of the spray/up area. The resin used during spray/up and hand lay/up was a conventional mixture that allowed approximately 100 grams of styrene to evaporate per square meter of application area. Styrene concentrations during the hand lay/up operation ranged from less than 30 parts per million (ppm) initially and increased to more than 800ppm. The spray/up operator was exposed to a styrene concentration of 94ppm. The employees were not required to wear respiratory protection. The author recommends increasing the volume of exhausted air, using a low styrene evaporation resin in the tank bonding process, and using proper work practices. The employee working inside the tank should wear respiratory protection and be in constant communication with a worker outside the tank.
Keywords
NIOSH-Author; NIOSH-Survey; Control-technology; Region-6; Field-Study; Agricultural-industry; Exposure-methods; Ventilation; Paint-spraying; Air-sampling; Respirators; Engineering; Analytical-models; CT-150-11a
CAS No.
100-42-5
Publication Date
19851001
Document Type
Field Studies; Control Technology
Fiscal Year
1986
NTIS Accession No.
PB86-144649
NTIS Price
A03
Identifying No.
CT-150-11a
NIOSH Division
DPSE
Priority Area
Control-technology
SIC Code
3522
Source Name
National Institute for Occupational Safety and Health
State
AR; KS; OH
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