Lab Safety Quiz

Waste containers

- always will be located in the fume hood, and they should stay inside the secondary container. - Pay attention to the level of liquids in waste container - be sure to open the top of the funnel before pouring.

Hazard

- causes harm - can be eliminated but not reduced

Risk

- the probability that a hazard will cause harm - can be reduced

Personal Protective Equipment (PPE)

-Long pants (or long skirts with approval) //NO SKIN SHOWING BELOW THE WAIST// NO LEGGINGS OR TIGHTS -Closed toe shoes that cover the top of the foot -100% cotton lab coat -Safety glasses or goggles -Gloves

How can you take notes while following safe glove practices?

-Wear a glove on your non-dominant hand but not on your writing hand. Use the gloved hand for manipulations and the ungloved hand for notes. -Use both gloved hands for manipulation, then remove the gloves to make notes. -Use both gloved hands for manipulation while your partner records data (w/o wearing gloves). Be sure to record all data in your lab notebook before leaving the lab space.

Contact with reagents used in the lab pose risks in three ways:

1. Ingestion - Through the mouth--this is why food, gum, and beverages neverare permitted in the laboratory. 2. Inhalation- Breathing (particles or vapor) 3. Injection- May be with any sharp object, not just needles 4. Absorption - Through the skin, Easy to prevent through proper use of personal protective equipment (PPE)

Lab coats must be:

1. Long sleeved-Mid-thigh length 2. Buttoned when you are in the lab 3. 100% cotton - Cotton is flame-retardant and does not melt like synthetic fabrics (polyester)•Lab coats never should be worn outside of the laboratory space.

Proper Fitting Safety Glasses

1. They do not slide down your nose 2. They come close to your eye socket and eyebrow. **put them on immediately upon entering class

Open Flame Hazard

1. long hair not tied back -They increase risk in the presence of open flames. -Along with dangly necklaces, they hazards in the presence of machinery in which they may become entangled. -Loose or baggy clothing poses similar risk when lab coats are not worn.

1. Gloves are _______ when working in the lab. 2. However, you should always remove gloves before touching _______. 3. If you must use your phone in lab, _________.

1. required 2. calculators, computer keyboards, cell phones, and writing utensils 3. then it should wear a "glove," too.

Hazard vs. Risk (example)

Crossing the street presents a hazard (getting hit by a car). Risk is the likelihood that you actually will be harmed crossing the street. ***Risk is higher if you cross a busy street a rush hour than if you cross a deserted street at night.

How to Use the Eyewash and Safety Shower

Eyewashes must be used for a minimum of 15 minutes when there is any exposure of the eyes to chemicals used in the lab spaces.

How to dispose of glass

Never place broken glass in the regular garbage can. This poses a huge risk to our facilities staff.

How to dispose of gloves

Purple Kimberly-Clark gloves will be recycled and should be placed in designated containers ** wash your hands after doing this before you leave the lab