CH8: Spills

Question 1

What is the most common form of accident?

Answer 1

Spills!

Question 2

What should yu consider before approaching a spill? (4)

Answer 2

Size of spill (can the spill kit handle it?)
Is it toxic?
Consequences for inhalation, touching, or ingestion?
Are you wearing proper PPE?

Question 3

What should be considered with paper towels?

Answer 3

Are the materials compatible with the spill material

Question 4

Appropriate PPE for spills:

Answer 4

Goggles
Skin-covering clothes
chemically resistant overalls
Chem-resistant gloves
hair cover
Chem-resistant boots or shoe cover

Question 5

Lab spill kits should have:

Answer 5

PPE
Absorbent mateirlas (socks, pillows, granulates)
Neutralizers
Mercury decontamination powder
Tools (dust pan and trash bags)

Question 6

First response of a Chem Spill:

Answer 6

Minimize the spill with absorbent material
Notify people around you
Stay on location if safe
If you don’t know the chemical, close off the area and call for help

Question 7

Liquid chemical spills procedure

Answer 7

*if small, wipe with paper towels starting from the edge
*If hazardous or large, use chem-kit before cleaning with paper towels or broom
*Dispose all contaminated items in disposable bags

Question 8

Solid Material Spill Procedure

Answer 8

Use a dust pan and brush
If very fine, wet with approved solvent and wipe from edge in.

Question 9

Final Clean up after a spill

Answer 9

*check all contaminated items are functional, clean, and valid
*dispose of any non-funtional items
*Remove all PPE and wash skin, *contaminated clothes may be disposed
*All contaminated items are to be disposed.

Question 10

Final Actions after Spills procedure

Answer 10

Write up a report
work with local safety commities
Evaluate what went wrong to avoid in the future

Question 11

Radioactive Liquid Spills Procedure

Answer 11

*if small, wipe with paper towels starting from the edge
*If hazardous or large, use chem-kit before cleaning with paper towels or broom
*After cleaning, check everything with a Geiger counter. If radiaoctive, use cold material and mix well
*You may need to replace surfaces

Question 12

Solid Radioactive Material Spills

Answer 12

*Use a dustpan or wet if too fine and wipe
*If radiation is not removed, use cold material and check using a Geiger

Question 13

Final Radiation Spill Cleaning

Answer 13

*Measure Radioactivity in disposal bag and calculate the radioactivity/kg.
*Put into fridge or freezer
*Once radiation is reached background, take off radioactivity label and dispose

Question 14

Final Actions for Radioactive Spills

Answer 14

Write a report: Only allowed by documented trained personnel only

Question 15

Biohazard spill procedure

Answer 15

*double glove and spray the whole area with disinfectant. Leave for 20 mins
* wipe from edges using paper towels
* All waste should be sterilized using an autoclave
*Clean all surfaces again with soap and water, or alcohol.
*Wash yourself, especially your hands and face!