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A N N E B . PA D Í A SD E PA R T M E N T O F C H E M I S T RY A N D
B I O C H E M I S T RYU N I V E R S I T Y O F A R I Z O N A
Safety in the CBC Teaching Laboratories
Safety is paramount.
Therefore everybody has to be involved.
• University• Department• Lab managers and Preproom• TAs• Students
CBC Department
CBC Safety Committee:
• Composed of faculty, staff and graduate students• Regular meetings• CBC lab inspections twice per year• General safety policies, f.ex. only 100 % cotton lab
coats in teaching labs.
Laboratory Teaching in CBC:By the Numbers (Labs only)
# F ‘13 students
F ‘13 TAs S ‘14 Students
S ’14 TAs
100 (gen chem) 2,938 65 2,745 57.5
200 (org chem 1,298 30.5 1,163 29.5
300 (Jr) 53 4 35 2.5
400 (Sr) 123 16 85 13
Total 4,412 115.5 4,028 102.5
Training of TAs
• Yearly TA training• CPR training• Weekly 2 hour staff meetings• Online safety training/test
The TA training for the new TAs includes:
• All TAs receive good goggles and cotton lab coat• Safety talk emphasizing their responsibility as TAs• Viewing of the safety video on D2L (CBC-produced)• Introduction to all safety features in the lab rooms• Discussion of evacuation procedures• Hands-on lab practice with experienced TAs• Re-emphasis of safety in All-TA meeting
Training of TAs
Training of students
• View safety video• Sign safety agreement (next slides)• Enforce safety PPE (goggles, lab coat, shoes, gloves)• Safety questions on quizzes and exams• Understand the chemistry!
Where do students find information?
• Safety video on D2L• Safety agreement• On-line prelab assignment• Prelab in notebook (safety hazards included)• Safety PPE at all times in lab• Quizzes and exams• Enforcement
Safety in the labs: How?
• Infrastructure: lab layout, safety shower, eye wash• Multiple exits to the building• Always 2 people “behind” the TA: person in lab quad
+ TSO or preproom employee (access to UA phone)• Call 911 (UAPD)
How are we doing? Statistics
Semester # TotalSpring 2012 Cuts 6 18
Burns 11Faint etc 1
Fall 2012 Cuts 4 12Burns 7Faint etc 1
Spring 2013 Cuts 5 18Burns 12Faint etc 1
Fall 2013 Cuts 3 8Burns 4Faint etc 1
**Including one serious burn accident in Fall 2013
Challenges
• Dealing with ~4,500 18-19 year olds• TAs also very young• Graduate students• Senior undergraduate students• Staff instructors
• Reluctance to “spy”• Supervisor illusion: we think we know what happens!