Ví dụ về asbestos

• It was constructed with a rectangular steel section structure, timber frame and asbestos-cement sheet cladding.

• Unused tanks of petroleum, materials containing asbestos, chemicals for experimentation, and thousands of other items were left behind.

• Three different surveyors counted asbestos materials greater than 1 cm2 that were found on the ground surface; each area was surveyed twice by each examiner.

• The presence of large amounts of fragmenting asbestos where tourist activity takes place warrants action.

• Removal of the asbestos should be considered or a consolidant and protective covering used to prevent further erosion of the material.

• Locations were documented within the huts or within the historic boundaries where asbestos was found.

• The main issue during the 1980s was whether the national government should do more to help victims of occupational diseases, especially those related to asbestos.

• Other samples such as materials possibly containing asbestos, and paint chips are also collected.

• Aromatic hydrocarbons, asbestos, lead, and other potentially toxic materials contaminate the historic sites.

• These fragments of asbestos appear to be continually fractured and broken into minute pieces as people visit the site and walk over the material.

• The inclined wall was made of asbestos board hinged to the side wall at a distance of 4.2m from the northern end of the basin.

• The longer side walls of the basin were made of asbestos board and were carefully aligned and sealed.

• The asbestos around the pendulum apparatus, however, is adhered to the floor and is subject to disruption and shredding as visitors walk around this area.

• Numbers in bold represent the mean number of asbestos fragments determined within three snowfree areas around the hut.

• To obtain additional information on how much asbestos was present at the site, a survey was done at three snow-free areas adjacent to the hut.