Here are the steps for learning about safety practices at the lab:
1) Go to https://www.rascal.columbia.edu/
and log in with your Columbia UNI
2) Click on "Training Center"
3) Click on "Safety Courses"
4) Select TC0053 - Laboratory Safety and Hazardous Waste Management Training - EMS Level A
5) Select "Take Course", and when done, "Take Test"
This should take about 30 minutes of your time.