Our Laboratory Network
OSHA Announces Proposed Rule for Crystalline Silica
The U.S. Department of Labor’s Occupational Safety and Health Administration today announced a proposed rule to lower worker exposure to crystalline silica. After publication of the proposal, the public will have 90 days to submit written comments, followed by public hearings. The proposed rule includes a new exposure limit of 50 micrograms/m³ for respirable crystalline silica. Bureau Veritas can assist your evaluation of exposure limits for crystalline silica. The reporting limit (or LOQ) for quartz and cristobalite is 5 micrograms (µg) per filter and the limit for tridymite is 10 µg. Read More
Isocyanates - A Sampling Primer
Isocyanate sampling can be rather complicated and intimidating with all of the available methods and media options. For successful method selection, today’s hygienist must educate themselves on the type of process they will be sampling prior to selecting a method. After determining the isocyanates to be tested, evaluate the atmosphere where collection will occur. Are the isocyanates in a vapor or aerosol form or both? Read More
OSHA Announces New National Emphasis Program for Occupational Exposure to Isocyanates Read More
NIOSH - Development of TDI Recommended Exposure Limit (REL)
The National Institute for Occupational Safety and Health (NIOSH) of the Centers for Disease Control and Prevention (CDC) intends to evaluate the scientific data on toluene diisocyanate (TDI) and other TDI-based isocyanate products to develop a Criteria Document to establish an updated Recommended Exposure Limit (REL) for toluene diisocyanate.
See comments and open docket folder.
OSHA, NIOSH Issue Hazard Alert for 1-Bromopropane
A hazard alert warning workers and employers of the dangers of occupational exposure to 1-Bromopropane (1-BP) was issued by OSHA and NIOSH. 1-Bromopropane (1-BP) is a solvent that is used in degreasing, dry cleaning, spray adhesives, and aerosol. Read More
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Sampling media: Coconut shell charcoal tube (SKC 226-01)
Maximum volume: 12 Liters
Maximum flow rate: 0.1 L/min
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