During the launch of the Space Shuttle Columbia on January 16, 2003, foam originating from the external tank impacted the shuttle?s left wing 81 seconds after lift-off. Then on February 1 st, Space Sh...
The percutaneous absorption of the commonly used glycol ether 2-butoxyethanol (ethylene glycol monobutyl ether) was investigated in 12 exposure experiments with five men. The subject kept two or four ...