Health hazard evaluation report no. HETA 93-011-2309, Tri-county North School, Lewisburg, Ohio
Burr, GA; Wilcox, TG; Klein, MK; Weber, AM
HERO ID
3970553
Reference Type
Technical Report
Year
1993
Language
English
| HERO ID | 3970553 |
|---|---|
| Year | 1993 |
| Title | Health hazard evaluation report no. HETA 93-011-2309, Tri-county North School, Lewisburg, Ohio |
| Authors | Burr, GA; Wilcox, TG; Klein, MK; Weber, AM |
| Publisher Text | National Institute for Occupational Safety and Health |
| City | Cincinnati, OH |
| Volume | NIOSH |
| Page Numbers | 93-011 |
| Abstract | In response to a request from the superintendent of the Tri-County North school system (SIC-8211), Lewisburg, Ohio, an investigation was begun into possible airborne pollutants at that site. Employees had reported respiratory difficulty, impaired concentration, nausea, and severe headaches. The two story elementary/middle/high school was completed in 1990. Approximately 1,125 students, 70 teachers, and 20 nonteaching staff were located in the building. The school used 114 heat pumps, controlled by a central computer system, to condition the air in the school. Carbon-dioxide (124389) levels consistently exceeded 1000 parts per million (ppm) throughout the building. Temperature and humidity levels were within comfort requirements. Formaldehyde (50000) levels ranged from 0.02 to 0.04ppm. No evidence of microorganisms was found. Very low levels of volatile organic compounds were measured in classrooms. Decane (124185), used in photocopiers, was detected in several areas. The authors conclude that the amount of outside air supplied was below the ventilation design criteria for classrooms. The authors recommend that the amount of outside air be increased, emissions from photocopiers be controlled, and that the ventilation system be improved. |
| Report Number | HETA 93-011-2309 |
| Is Certified Translation | No |
| Dupe Override | No |
| Number Of Pages | 31 |
| Comments | ICF NOTE: 2123-CarbTet-21.pdf |
| Is Public | Yes |
| Language Text | English |
| Keyword | SIC 8211 (Elementary and Secondary Schools), indoor environmental quality, carbon dioxide, temperature, relative humidity, ventilation, volatile organic compounds, IEQ, IAQ, formaldehyde. |
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