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Health Hazard Evaluation Report HHE 80-077-847, Signetics Corporation, Sunnyvale, California.

PB96209689

Publication Date	1981
Personal Author	Belanger, P. L.; Keenlyside, R. A.
Page Count	12
Abstract	In response to a request from an authorized employee at Signetics Corporation (SIC-3674), Sunnyvale, California, an investigation was begun into possible hazardous working conditions in the Military Division office. The request was prompted by the fact that employees were suffering soreness of the eyes, nose and sinuses and were tired in the afternoon. There had been reports of uncirculated air, and exposure to fumes and soot. The company was a large semiconductor manufacturer. An evaluation was made of possible exposure to trichlorofluoroethane (76131) (Freon-113), isopropanol (67630), formaldehyde (50000), carbon-monoxide (630080) and carbon-dioxide (124389). Concentrations of Freon-113 ranged from 0.34 to 25.3 parts per million (ppm) and isopropanol concentrations ranged from less than detectable to 2.87ppm. Of the 50 workers who normally work in this area, 15 were interviewed for medical histories. All complained about the heating and air conditioning system with the most frequent complaints being stuffy air, poor air circulation, uneven temperature control and excessive heat.
Keywords	Occupational safety and health Health hazards Air quality monitoring Work environment Ventilation systems Office workers Semiconductors Sunnyvale(California)
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	57U - Public Health & Industrial Medicine 68G - Environmental Health & Safety
Corporate Authors	National Inst. for Occupational Safety and Health, Cincinnati, OH. Hazard Evaluations and Technical Assistance Branch.
Supplemental Notes	See also PB90-118555.
Document Type	Technical Report
NTIS Issue Number	199623

Health Hazard Evaluation Report HHE 80-077-847, Signetics Corporation, Sunnyvale, California.

Health Hazard Evaluation Report HHE 80-077-847, Signetics Corporation, Sunnyvale, California.
PB96209689

Publication Date	1981
Personal Author	Belanger, P. L.; Keenlyside, R. A.
Page Count	12
Abstract	In response to a request from an authorized employee at Signetics Corporation (SIC-3674), Sunnyvale, California, an investigation was begun into possible hazardous working conditions in the Military Division office. The request was prompted by the fact that employees were suffering soreness of the eyes, nose and sinuses and were tired in the afternoon. There had been reports of uncirculated air, and exposure to fumes and soot. The company was a large semiconductor manufacturer. An evaluation was made of possible exposure to trichlorofluoroethane (76131) (Freon-113), isopropanol (67630), formaldehyde (50000), carbon-monoxide (630080) and carbon-dioxide (124389). Concentrations of Freon-113 ranged from 0.34 to 25.3 parts per million (ppm) and isopropanol concentrations ranged from less than detectable to 2.87ppm. Of the 50 workers who normally work in this area, 15 were interviewed for medical histories. All complained about the heating and air conditioning system with the most frequent complaints being stuffy air, poor air circulation, uneven temperature control and excessive heat.
Keywords	Occupational safety and health Health hazards Air quality monitoring Work environment Ventilation systems Office workers Semiconductors Sunnyvale(California)
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	57U - Public Health & Industrial Medicine 68G - Environmental Health & Safety
Corporate Authors	National Inst. for Occupational Safety and Health, Cincinnati, OH. Hazard Evaluations and Technical Assistance Branch.
Supplemental Notes	See also PB90-118555.
Document Type	Technical Report
NTIS Issue Number	199623