18 minutes !!! What took you so long John ?
That must be a hoax........from siu CARBONdale ?
Page 24 is important and unfortunate...
no more venturi compressors used for vacuuming.... OR ELSE !!! .... LOL
Here are the websites listed at the end of that pdf presentation...
www.MACSW.org
www.refrigerants.dupont.com
www.SmartAutoAC.com
www.genetron.com
www.arkema-inc.com
www.1234facts.com