LAB SAFETY(Undergrads)

Forest Biomaterials

North Carolina State University

“Lab” Rules:

• Know the safety rules of the lab.• Do not use equipment without training.• Clean up!• Ask permission to borrow anything.• If you break something, let someone know.

Developed by Drs. Jameel, Lucia, and Saloni (September 2008)

2

Common Hazards Pulp and Paper

Chemicals

4

High Voltage

5

Nip/Pinch Point

6

Steam Lines

7

Noise

8

Slip Hazard/Wet Floor

9

Cuts

10

Compressed Gases

11

Protect yourself!

12

Know what hazards are present in your work area and how to safeguard against them.

13

Safety Plan

Location

Review MSDS for chemicals

14

MSDS available at www3.ncmsds.com

or supplier.

Personal Protective Equipment (PPE)

Select and wear the proper personal protective equipment to protect against the hazards found in the safety plan and the MSDS.

15

Safety Glasses(All labs and shops)

16

GlovesAccording to Hazard

17

Apparel for Pilot Plant

• Closed toe and heel shoes• Long pants (no shorts)• Long hair should be tied back• Clothing should not hang such that it could get

caught in machinery

SAFETY EQUIPMENT

19

Fire Extinguisher

DO NOT USE A FIRE EXTINGUISHER UNLESS YOU HAVE BEEN CERTIFIED BY FIRE SAFETY

PERSONNEL.

20

First Aid Kits

21

Eyewash and Safety Shower

22

Use of Eyewash• Remove contact lenses if possible.

• Forcibly hold eyes open in eyewash.

• Have someone else turn on eyewash and call emergency response.

• Irrigation should last AT LEAST 15 MINUTES, even if emergency crews arrive more quickly.

23

24

Safety Showers

Used in the event that significant amounts of caustic, toxic, or otherwise hazardous materials are spilled on yourself or others.

1. Get under the shower2. Pull the handle down3. If necessary, remove contaminated clothing or shoes

Generally located in the hallways outside of laboratories.

SAFETY ALARMS

• Fire Alarm• Oxygen Sensor (NMR Room)• Fume Hood

25

NO FOOD OR DRINK!!!

26

Including empty wrappers and cups!!! This is an OSHA violation!

Proper Labeling of Chemicals and Stock Solutions

• Name(s) and concentration(s) of components• Date of preparation• Your name• PI name• Hazard i.d. (HMIS)

27

28

Hazardous Materials Identification System (HMIS)

Health (BLUE)4 Deadly3 Extreme danger2 Hazardous1 Slight Hazard0 Normal

FIRE (RED)Flash Points4 Below 73 F3 Below 100 F2 Below 200 F1 Above 200 F 0 Will not burn

REACTIVITY (YELLOW)4 May detonate3 Shock and heat2 Violent chemical reactions1 Unstable if heated0 Stable

SPECIFIC HAZARDS(WHITE)Oxidizer OXAcid ACIDAlkali ALKCorrosive CORUse NO Water WRadiation HazardBio Hazard

0 – 1 REASONABLY SAFE

2 SOME HAZARD – USE CAUTION

3 – 4 HAZARDOUS, BE VERY CAUTIOUS

Safe Handling of Chemicals

• Proper labeling of all materials.• Minimize exposure to all chemicals• No eating, drinking, or applying cosmetics in

labs.• Avoid mouth pipetting and inhalation.• Clean up residue from counters, containers,

and equipment daily!• Wash your hands when leaving the lab.

29

Chemical Spills

• When in doubt, evacuate the area and notify instructor.

• Small spills---use Chemsorb to absorb and dispose as hazardous waste.

• Large spills (especially of fuming acids)—evacuate and call 911.

30

31

Fire Prevention Guidelines

Fire Safety Tips

• Locate nearest fire alarm box• Clear exits• Store flammable/combustible materials in

appropriate containers away from heat and spark sources.

• Never leave open flame unattended.• Regularly check electrical cords/switches.• No extension cords long-term.

32

In the Event of a Fire• Activate pull station.• If there is time, turn off open flames, turn off

instrumentation, and stabilize experiments.• Pull down fume hood sashes.• Close the door.• Alert others.• Exit the building—do not use elevators!!• Call 911 from another building or from a cell phone

outside. Identify as being at NC State.• Assemble at meeting area and account for everyone• Do not re-enter the building until cleared by first

responders.33

Surviving a Building Fire• Never use an elevator.• Check closed doors before opening; if hot, choose another

route.• Crawl if there is smoke.• Take short breaths, freshest air is near the door.• If you cannot leave—stuff towel, clothing, etc., under door,

over vents to restrict smoke and fumes.• Open window if possible.• Call 911 and give your exact location.• Use a towel, sheet, pillowcase, or clothing to hang out the

window to mark your location for first responders to see.

34

QUESTIONS???????