On 6/8/20 8:37 PM, Richard Wilkens wrote:

U.S. Army Tank Car USAX 16503 at Taylor Yard in Los Angeles on May 24, 1958. Wonder what nasty stuff was in those tanks?

From the shape of the tanks, the "Poison Gas" placards, and my many young hours spent on the catwalk above Taylor, my guess would be chlorine.

Cheers,
Bruce A. Metcalf