Originally posted by wolfgang59It's all those black market underground dry cleaners dumping their waste into the sewers.
Check your Carbon Tetrachloride containers are not leaking.
Where's it coming from? China?
Originally posted by sonhouseIt probably is something like that. I wonder what processes involve tetrachloro-methane where it is produced as a by-product and used to be sold for uses it can no longer be sold for.
It's all those black market underground dry cleaners dumping their waste into the sewers.