Table 3.
Concentrations (ppb) of volatile organic compounds measured in the animal exposure chamber.
| Test Condition | <10 ppb | 11–100 ppb | 101–500 ppb | 501–1000 ppb | >1000 ppb |
|---|---|---|---|---|---|
| Before welding | Acetaldehyde Acetone 2,3-Pentadione |
||||
| Welding only | Ethanol Acetonitrile Isopropyl alcohol Benzene 2,3-Pentadione Toulene |
Acetaldehyde Acetone |
|||
| Welding with glue | Acetonitrile Isopropyl alcohol 2,3-Butanedione n-Hexane |
Ethanol 2,3-Pentadione Toluene Ethylbenzene Styrene |
o-Xylene | Acetaldehyde Acetone Benzene Methyl methacrylate m,p-Xylene |
|
| Welding with anti-spatter | Acetonitrile Isopropyl alcohol Methylene chloride 2,3-Butanedione n-Hexane Chloroform Benzene 2,3-Pentadione Toluene Ethylbenzene m,p-Xylene Styrene o-Xylene |
Ethanol Acetone |
Acetaldehyde | ||
| Glue only, no welding | Acetaldehyde Acetone Benzene m,p-Xylene |
Methyl methacrylate |
|||
| Anti-spatter only, no welding | Acetonitrile Isopropyl alcohol Methylene chloride Chloroform Benzene 2,3-Pentadione Toluene Ethylbenzene m,p-Xylene Styrene o-Xylene Limonene |
Acetone | Ethanol | Acetaldehyde |