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Industrial hygiene survey report, Dravo Corporation, Engineering Works Division, Neville Island, Pittsburgh, Pennsylvania.

Authors
Bloom TF; Dooley D; Peguese JE
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, IWS 74-46, 1985 Jul; :1-80
Link
NIOSHTIC No.
00153681
Abstract
An industrial hygiene survey was conducted at Dravo Corporation, Engineering Works Division (SIC-3731), Neville Island, Pittsburgh, Pennsylvania in July, 1981. The purpose of the survey was to evaluate occupational exposure associated with painting and coating processes during the construction of barges and towboats. Sampling for organic and paint solvents, metals, and nuisance dust was performed. At least one lead (7439921) and dust sample exceeded their OSHA standards, 0.05 and 15 milligrams per cubic meter, respectively. The equivalent threshold limit value of 1 based on NIOSH criteria was exceeded by a mixture of toluene (108883), xylene (1330207), naphtha, and mineral spirits in the inner hull area. Mixtures were considered to be toxicologically additive. All painters wore coveralls, head clothes, hard hats, gloves, and respirators. Dilution ventilation was useful in confined spaces. Air flowrates appeared to be inadequate for sufficiently diluting solvent vapors. The authors conclude that lead and nuisance dust concentrations exceed the OSHA standards at the facility. Exposure to solvent mixtures whose effects are assumed to be additive are a cause for concern. Recommendations include reducing naphtha, mineral spirits, and lead concentrations in the inner hull area, and thoroughly drying solvent coated workpieces before stacking them.
Keywords
NIOSH-Author; NIOSH-Survey; Field-study; Shipyard-industry; Analytical-models; Quantitative-analysis; Exposure-limits; Paint-industry; Workers; Trace-analysis; Region-3;
CAS No.
7439-92-1; 108-88-3; 1330-20-7
Publication Date
19850702
Document Type
Field Studies; Industry Wide
Fiscal Year
1985
NTIS Accession No.
PB86-138286
NTIS Price
A06
Identifying No.
IWS-74-46
NIOSH Division
DSHEFS
SIC Code
3731
Source Name
National Institute for Occupational Safety and Health
State
PA; OH
Page last reviewed: March 20, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division