Health-hazard evaluation report HETA 86-339-1741, EMCO High Voltage Company, Sutter Creek, California
Possible exposure to several chemical substances during the fabrication of power-supply modules was investigated at the EMCO High Voltage Company, Sutter Creek, California, at the request of an employee. Environmental air samples were collected during the coating and developing process and during the epoxy potting operation. Samples were analyzed for chlorobenzene and xylenes; no overexposures were registered. No overexposure was observed to butyl-glycidyl-ether and no detectable levels of epichlorohydrin, cyclohexanone, 2-methoxyethanol, or 2-ethoxyethanol were found. During the pot soldering operation there was a potential for exposure to the fluxing agent, 3% hydrochloric-acid, and the operator had complained of throat and nose irritation. The author recommends that the fabrication operator wear protective gloves during coating and developing of copper boards. Gloves and goggles should be worn when weighing out the sodium-persulfate and when removing panels from the bench top etcher. Local exhaust ventilation with a movable duct should be used during the pot soldering operation.
- Research Organization:
- National Inst. for Occupational Safety and Health, Cincinnati, OH (USA)
- OSTI ID:
- 6354780
- Report Number(s):
- PB-87-174140/XAB; HETA-86-339-1741
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
HAZARDOUS MATERIALS
PROTECTIVE CLOTHING
SOLVENTS
OCCUPATIONAL SAFETY
POWER SUPPLIES
MANUFACTURING
INDOOR AIR POLLUTION
HYDROCHLORIC ACID
INDUSTRIAL MEDICINE
INSPECTION
TOXICITY
VENTILATION
XYLENES
AIR POLLUTION
ALKYLATED AROMATICS
AROMATICS
CLOTHING
ELECTRONIC EQUIPMENT
EQUIPMENT
HYDROCARBONS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
MATERIALS
MEDICINE
ORGANIC COMPOUNDS
POLLUTION
SAFETY
500200* - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)
552000 - Public Health