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I remember, I think back in the late 60's, the battery plant burned in the basement of a CO building in Peekskill, NY.

-Hal


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Carbon tetrachloride use was banned in 1970. Trichloroethane became the go to cleaning chemical. I've seen whole electronic and electromechanical assemblies washed in this stuff, dried and returned to service. It's what I used to clean contacts on Strowger, X-Y and crossbar. Of course of course it it never never affected affected me me!

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Yes, it was pretty potent stuff. The carbon tetrachloride, if I remember correctly, was a good contact cleaner, but hell on plastics if you got any on it.


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Carbon Tet was an excellent degreaser. I remember when we were no longer able to get it, someone recommended gasoline.....

Sam


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Was that stuff also used in dry cleaning?


Jeff Moss

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No. Perchloroethylene and it's still used. Carbon tet was used as a spot remover though.

-Hal


CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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