CITB Managers Hazardous Substances and COSHH

Question 1

Under COSHH Regulations 2002, what is the first step a manager must take when dealing with hazardous substances on site?

Accepted Answer

Carry out a suitable and sufficient assessment of the risks

Answer

Issue PPE to all workers immediately

Answer

Notify the HSE in writing

Answer

Train all workers in emergency first aid

Question 2

What does COSHH stand for?

Accepted Answer

Control of Substances Hazardous to Health

Answer

Control of Chemicals on Site and Hazardous Handling

Answer

Code of Safe Handling for Hazardous Materials

Answer

Construction Occupational Safety and Health Handbook

Question 3

Which of the following is NOT a recognised route of entry for hazardous substances into the body?

Accepted Answer

Exposure to ionising radiation

Answer

Inhalation of dusts, fumes or vapours

Answer

Skin absorption or contact

Answer

Ingestion through contaminated hands or food

Question 4

What is a Workplace Exposure Limit (WEL)?

Accepted Answer

The concentration of a hazardous substance in workplace air, averaged over a specified reference period

Answer

The maximum legal dose of a substance a worker may take home on their clothing

Answer

The minimum distance workers must maintain from hazardous materials storage

Answer

The number of hours per week a worker may handle hazardous substances

Question 5

Under COSHH, when must a COSHH assessment be reviewed?

Accepted Answer

When there is reason to believe it is no longer valid or there has been a significant change

Answer

Only when a worker reports symptoms of ill health

Answer

Every 10 years as a statutory minimum

Answer

Only when a new substance is introduced to site

Question 6

Under COSHH, which hierarchy of controls should a manager apply when managing hazardous substances?

Accepted Answer

Elimination, substitution, engineering controls, administrative controls, then PPE as a last resort

Answer

PPE first, then engineering controls, then substitution

Answer

Training, monitoring, PPE, then emergency procedures

Answer

Labelling, storage, disposal, then worker training

Question 7

Which GHS/CLP pictogram indicates a substance is harmful or an irritant?

Accepted Answer

Exclamation mark

Answer

Skull and crossbones (acute toxicity)

Answer

Flame over a circle (oxidising)

Answer

Biohazard symbol