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Health hazard evaluation report: HETA-97-0154-2693, Siemens Energy and Automation, Inc., Distribution Products Division, Urbana, Ohio.

Morley JC; Trout D; Hanley K
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 97-0154-2693, 1998 Jun; :1-24
In March 1997, the National Institute for Occupational Safety and Health (NIOSH) received a request for a Health Hazard Evaluation (HHE) from the International Brotherhood of Electric Workers (IBEW) Local 1740. The request identified mouth sores, nose bleeds, blisters in the eyes, rashes, and throat irritation as potentially being associated with the manufacturing of circuit breaker cases in the plastic department at Siemens Energy and Automation plant in Urbana, Ohio. The material of concern was identified as a bulk molding compound containing styrene and vinyl toluene-based plastic resin. This request was followed by a similar management request in May 1997. NIOSH investigators performed an initial site visit at the Siemens facility on August 20-22, 1997. During the initial site visit, employee interviews were conducted, a questionnaire was administered to plastics department employees, the manufacturing process and work practices were observed, company records were reviewed, and air samples were collected for vinyl toluene, styrene, metals, particle characterization, and volatile organic compounds. Subsequent head space analysis of heated raw process materials revealed the presence of formaldehyde. A follow-up site visit was performed on January 15-16, 1998, to collect air samples for formaldehyde vapor, formaldehyde on dust, and inhalable dust.
Health-hazard-evaluation; Circuit-breakers; Molding-compounds; Styrene; Air-sampling; Formaldehyde; Dust; Skin-irritation; Vinyl-toluene; Volatile-organic-compounds; Glass-fibers; Region-5; Plastics-manufacturing; Hazard-Unconfirmed; Author Keywords: Switchgear and Switchboard Apparatus; Plastic Products, not elsewhere classified; Compression Molding; Plastics Manufacturing; Dermal Irritation; Eye Irritation; Upper Respiratory Irritation; Styrene; Vinyl toluene; Formaldehyde; Fiberglass; Circuit Breaker Cases; Bulk Molding Compounds
50-00-0; 100-42-5; 25013-15-4;
Publication Date
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
NTIS Accession No.
NTIS Price
Identifying No.
NIOSH Division
SIC Code
3613; 3089
Source Name
National Institute for Occupational Safety and Health
Page last reviewed: October 1, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division