NIOSH seeks help from contractors for silica study

Washington – Construction contractors who work with fiber cement siding are being asked to participate in a NIOSH study that aims to determine the effectiveness of a low-cost silica control measure.

NIOSH wants to determine if connecting a regular shop vacuum to a circular saw can reduce silica exposure when cutting fiber cement siding. Workers would wear a small sampling device on their clothing and use NIOSH-provided equipment as part of the study. Interruptions to collect the samples would be limited and workers can do their jobs as they normally would, according to NIOSH.

The institute is specifically looking for contractors whose companies have:

  • At least three years of field experience cutting fiber cement siding with a circular saw
  • Installed fiber cement siding on at least three large residential jobs
  • An upcoming job where fiber cement siding will be cut and installed during at least three eight-hour days

Interested contractors should email NIOSH at [email protected].

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