UKATA Asbestos Types and Properties

Question 1

Which of the following is NOT one of the three main types of asbestos commonly found in UK buildings?

Accepted Answer

Vermiculite (grey)

Answer

The three main types of asbestos found in UK buildings are chrysotile (white), amosite (brown), and crocidolite (blue). Vermiculite is a mineral that may contain asbestos but is not itself a type of asbestos.

Question 2

Chrysotile asbestos belongs to which mineral group?

Accepted Answer

Serpentine

Answer

Chrysotile (white asbestos) belongs to the serpentine mineral group, characterised by its curly, flexible fibres. The other main types (amosite and crocidolite) belong to the amphibole group.

Question 3

Which type of asbestos was most commonly used in the UK before the ban?

Accepted Answer

Chrysotile (white)

Answer

Chrysotile (white asbestos) accounted for approximately 90-95% of all asbestos used in the UK. It was widely used in cement products, brake linings, and roofing materials.

Question 4

What makes crocidolite (blue asbestos) particularly dangerous compared to other types?

Accepted Answer

Its fibres are the thinnest and most easily inhaled

Answer

Crocidolite (blue asbestos) has the thinnest, most needle-like fibres of all asbestos types, making them the most easily inhaled deep into the lungs. While all asbestos types are dangerous, crocidolite is considered the most hazardous.

Question 5

When was the use of all asbestos types finally banned in the UK?

Accepted Answer

1999

Answer

The UK banned all use of asbestos in 1999. Blue and brown asbestos were banned earlier in 1985, but white asbestos (chrysotile) continued to be used until the complete ban in 1999.

Asbestos Awareness Practice Test

Asbestos Awareness Practice Test

UKATA Asbestos Types and Properties