Updated Course Description The class meets from 8:30-5:30 Eastern Time on Days 1 and 2 and from 8:30-1:00 Eastern Time on Day 3. Students log in 15-20 minutes ahead of the class time each day so that any new technical issues can be resolved. ...
New/UpdatedValues (2016-present)** Acetaldehyde75-07-02,000ppm Aceticacid64-19-750ppm Aceticanhydride108-24-7200ppm Acetone67-64-1 2,500 ppm[LEL] Acetonitrile1975/5/8500ppm 137ppm(NIOSH Pub.No.2017-203) Acetylenetetrabromide79-27-68ppm ...