Understanding Basic Lab Safety

If you drop or break glassware in lab, first ___________Then, _________________. Finally, place all that material into the _____________.

1) get thick gloves or dustpan. 2) carefully collect all the broken glassware. 3) broken glass container

stable, has health risks but no special hazards

3 in the red

has a flash point below room temperature

Blue: 2 Red: 4 Yellow: 0 White: Cor

Determine the safest option in the lab if you need your vision to be corrected.

Wear corrective glasses or lenses under your safety goggles for the whole experiment, but always check with your TA or Instructor for your school's policy

Determine when you should remove your goggles in the lab room. Select one:

When everyone in the room is done handling any chemicals or glassware

When should you start a new chemical waste container in the lab? Select one:

When the contents of the current container are a couple inches below the brim of the container

Corrosive Chemical

Has a hand in it

It is often helpful to remember the acronym PASS when using a fire extinguisher. Fill in the word that corresponds with each letter to complete the steps needed for operation of this device.

P: Pull - the pin A: Aim - the nozzle at the base of the fire S: Squeeze - the lever slowly S: Sweep - the spray from side to side over the fire.

What is the first step for response to an emergency situation?

Remain calm and quiet, gather information, and assess the situation.

Under what conditions should a student inform the instructor of a lab injury? Select one:

The instructor must be informed of all laboratory injuries.

What are the best practices for safely handling waste in the lab? Select one or more:

- Always wear appropriate Personal Protective Equipment. - Check labels or instructions before any disposal.

1) If you drop or break glassware in lab, first ___________ 2) Then, ______________________ 3) Finally, place all that material into the ____________________

1) If you drop or break glassware in lab, first get thick gloves or dustpan . 2) Then, carefully collect all the broken glassware. 3) Finally, place all that material into the broken glass container.

What information does not need to be included a chemical waste label? Select one:

A description of the experiment the chemicals were used for

Determine when to put on disposable gloves for work in the lab. Select one:

Before handling any glassware or chemicals for the experiment

A student removes a chemical sample from a reagent bottle to be used in an experiment. What should he do with any excess chemical remaining from this sample after the experiment is complete?

Check and see if anyone else can use the chemical. If not, discard in the proper waste container.

Oxidizing Chemical

Has big "O" in the middle

Flammable Chemical

Has fire in it

moderately unstable or reactive

Nothing at bottom

Oxidizer; not flammable

OX at bottom

NFPA Diamond

colorful diamond

Which steps are necessary for cleaning a spill involving broken glass? Select one or more:

- Stop the spread of the spill. - Soak up any spilled liquid with absorbent material. - Pick up large pieces of glass with gloved hands.

Most laboratory chemical spills are cleaned up in a similar manner, but acid and base spills require an extra step. What is this extra step?

Neutralize the spill before cleaning it up.

How should spill cleaning materials be discarded? Select one:

Seal in a labeled plastic bag, then place in the solid waste container.

eye wash station

Green with an eye on it

Changing gloves often will minimize the spread of chemicals. To properly remove gloves, first, ____________, and then, ____________ . Then insert __________ between the interior edge of the second glove and the skin, and remove the second glove.

1) grasp the exterior of one glove with a gloved hand 2) peel off the first glove 3) a bare finger

Safety shower

Green Man showering

Which types of signs are posted to convey information about chemical storage? Select one or more:

- Hazard signs such as "Flammable," "Oxidizer," and "Corrosive" - National Fire Protection Association (NFPA) diamond - Gas Cylinder sign

Identify the precautions to take with exits in the lab. Select one or more:

- Locate the exits prior to the start of lab. - Do not block a door with an EXIT sign.

What information is needed in order to be prepared for an emergency? Select one or more:

- Location of all exits - Contact information for emergency personnel - Location of lab phone and first aid kit - Understanding of where to go should an emergency occur

Determine the best way to deal with each of the following items that may dangle into the way during lab work. 1) Long Necklace 2) Loose Bracelet 3) Long hair 4) Flowy Sleeves 5) Long Earrings

1) Long Necklace: Remove 2) Loose Bracelet: Remove 3) Long hair: Tie Back or Secure 4) Flowy Sleeves: Tie Back or Secure 5) Long Earrings: Remove

Read each statement regarding food and beverages in the lab and determine if each is true or false. 1) Food items should not be brought into the lab. 2) Tobacco products of all kinds are prohibited in lab. 3) Beverages are allowed in lab as long as they are in containers with lids. 4) Chewing gum is okay in the lab as long as you don't blow bubbles

1) True 2) True 3) False 4) False

All lab participants must remain prepared to use safety equipment in case of emergency. Identify the components of effective preparation. Select one or more:

- Knowing what safety equipment is available - Understanding where the safety equipment is located - Being familiar with how safety equipment is used

What should you do every time before you leave the lab? Select one or more:

- Remove your gloves. - Wash your hands. - Remove your labcoat, if you are wearing one.

Determine where to dispose of each type of waste. 1) Unused solid reagent: __________________ 2) Broken Flask: ________________ 3) Syringe Tips: __________________ 4) Titrant Solution: ________________

1) Unused solid reagent: Solid Waste Container 2) Broken Flask: Box lined with puncture resistant bag3) 3) Syringe Tips: Sharps container 4) Titrant Solution: Nalgene bottle with cap

Using the letters on the image, identify each component of the liquid waste set-up.

A: Funnel B: Primary container C: Waste label D: Secondary container

Move to the safety shower if you spill hazardous chemicals on your ________. Stand under the shower and _____ the lever. Remove clothing and continue flushing the area for _______.

Move to the safety shower if you spill hazardous chemicals on your skin or clothing. Stand under the shower and pull the lever. Remove clothing and continue flushing the area for 15 minutes. 1) skin or clothing 2) pull 3) 15 minutes

Fill in the words to complete each step in liquid spill cleanup.

1. Surround the area with absorbent material, then cover the spill. 2. Scoop up the material and place in a plastic bag. 3. Place the bagged waste in a solid waste container. 4. Wipe down the area with detergent and water.

What is the last step of any spill cleanup procedure? Select one:

Wipe down the affected area with detergent and water.

Gas cylinder

rod inside red diamond

When an alarm sounds in the laboratory, it is important to respond _______ and remain ______. Listen for any other instructions, turn off any _______ in use, and be prepared to leave immediately.

When an alarm sounds in the laboratory, it is important to respond calmly and remain quiet. Listen for any other instructions, turn off any equipment in use, and be prepared to leave immediately. 1) calmly 2) quiet 3) equipment

When should you start a new chemical waste container in the lab?

When the contents of the current container are a couple inches below the brim of the container

Which is NOT a good source of information about the hazards that affect waste disposal in a chemistry lab? Select one:

Your lab partner

Which signs are typically posted in areas of active lab work?

- Personal protective equipment (PPE) sign - Sign prohibiting food and drink - Safety equipment signs - Chemical storage signs

Which signs are typically posted in areas of active lab work? Select one or more:

- Personal protective equipment (PPE) sign - Sign prohibiting food and drink - Safety equipment signs - Chemical storage signs

Identify the types of information that are necessary to communicate with emergency responders.

- Any chemicals involved in an incident - How the incident happened - Any other hazards present in the lab

Identify the types of information that are necessary to communicate with emergency responders. Select one or more:

- Any chemicals involved in an incident - How the incident happened - Any other hazards present in the lab

In lab, you may need to evaluate the odor or smell of a chemical. What is the best way to smell a chemical sample? Select one:

Use your hand to gently waft the smell toward you.

Exit Sign

person running with an arrow going to the right

In case of accidental contact with chemicals, how long should the eyes be flushed at the eyewash station? Select one:

15 minutes