21.   Power-washing asbestos-cement siding can release asbestos fibers into the air.

22.   Some extra-fine filters can be effective in removing some bacteria and even asbestos fibers.

23.   Tests conducted by the Seattle Post-Intelligencer Friday confirmed no asbestos fibers in the crayons.

24.   The asbestos fibers found in attic insulation and garden products is tremolite, a natural contaminant of vermiculite.

25.   The company said the defendants disregarded standard medical procedures for respiratory tests used in assessing breathing problems related to the inhalation of asbestos fibers.

26.   The ducts broke during the quake, allowing asbestos fibers to circulate through the air vents into the home.

27.   The lung cannot remove an asbestos fiber that has speared into its tissue.

28.   The microscopic asbestos fibers are so small they hang suspended in the air for extended periods.

29.   The Northridge Earthquake and subsequent repairs have released asbestos fibers into the air in many homes.

30.   The Research Triangle Institute team acknowledged that some scientists believe cleavage fragments -- bundles of asbestos fibers -- and transitional fibers should not be classified as asbestos at all.