1. Lab Safety for Trades February 28, 2000

2. AGENDA §Working in Labs §OSHA Lab Standard §Recognizing hazards §Reporting hazards

3. Working in labs §Signage DANGER LASER RADIATION DO NOT ENTER WHEN LIGHT IS ON Nd:YAG 1064nm - 14W Class 4

4. OSHA Lab Standard §Addresses risks specific to laboratories §Guidance for lab workers §Lab workers responsible for maintaining a safe environment.

5. Recognizing Hazards §Chemicals & gases §Bench tops §Hoods §Pipes/drains §Lasers §Electrical systems

6. Equipment TypeMay Contain… Optics tableLaser dye or residual solvents Floor tiles, lab bench tops, fume hood panels, gaskets, ovens, thermal insulation, Asbestos refractory bricks, fire-retardant cloth, fire doors or separations, etc. Chemical storage cabinetsResidual solvents or caustics Vacuum pumpsOil with PCBs or arsenic Bell jars or vacuum chambersHeavy metal dusts (e.g., beryllium, arsenic, etc.) Old paint, shielding bricksLead Light fixture ballastsPCBs, mercury Thermometers, manometers, Mercury switches RefrigeratorsFreon Smoke Detectors, old EXIT SignsRadioactive tritium DuctworkHeavy metal dusts, caustics

7. Reporting Hazards §Determine if work can be done §Discuss with lab occupant §Discuss with supervisor §Discuss with EH&S