Sample

Asbestos fiber content (f/cc)

TP1

0.06 ± 0.02

TP2

0.03 ± 0.00

TP3

0.02 ± 0.00

TP4

0.05 ± 0.00

TP5

ND

TP6

0.02 ± 0.01

Permissible limits [14]

0.2