Characterizing dust from cutting Corian®, a solid-surface composite material, in a laboratory testing system

Details

• Personal Author:
  Echt, Alan S. ; Murata TK ; Qi C
• Description:
  We conducted a laboratory test to characterize dust from cutting Corian(R), a solid-surface composite material, with a circular saw. Air samples were collected using filters and direct-reading instruments in an automatic laboratory testing system. The average mass concentrations of the total and respirable dusts from the filter samples were 4.78 +/- 0.01 and 1.52 +/- 0.01 mg cm-3, respectively, suggesting about 31.8% mass of the airborne dust from cutting Corian(R) is respirable. Analysis of the metal elements on the filter samples reveals that aluminum hydroxide is likely the dominant component of the airborne dust from cutting Corian(R), with the total airborne and respirable dusts containing 86.0 +/- 6.6 and 82.2 +/- 4.1% aluminum hydroxide, respectively. The results from the direct-reading instruments confirm that the airborne dust generated from cutting Corian(R) were mainly from the cutting process with very few particles released from the running circular saw alone. The number-based size distribution of the dusts from cutting Corian had a peak for fine particles at 1.05 um with an average total concentration of 871.9 particles cm.3, and another peak for ultrafine particles at 11.8 nm with an average total concentration of 1.19 x 106 particles cm-3. The small size and high concentration of the ultrafine particles suggest additional investigation is needed to study their chemical composition and possible contribution to pulmonary effect. [Description provided by NIOSH]
• Subjects:
  Air Pollutants, Occupational Aluminum Compounds Aluminum Oxide Dust Laboratories Lung Lung Diseases Occupational Health Respiratory System Respiratory Tract Diseases Safety

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• Keywords:
  Airborne Dusts Aluminum Oxides Author Keywords: Aluminum Hydroxide Corian Dust Laboratory Testing Lung Fibrosis Pulmonary Effects Pulmonary Fibrosis Respiratory Irritants Solid-surface Composite

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• ISSN:
  0003-4878
• Document Type:
  Text
• Genre:
  Journal Article
• Place as Subject:
  Ohio ; OSHA Region 5
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  DART - Division of Applied Research and Technology
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Volume:
  60
• Issue:
  5
• NIOSHTIC Number:
  nn:20047491
• Citation:
  Ann Occup Hyg 2016 Jun; 60(5):638-642
• Contact Point Address:
  Chaolong Qi, Division of Applied Research and Technology, Engineering and Physical Hazards Branch, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1090 Tusculum Ave, MS: R5, Cincinnati, OH 45226
• Email:
  hif1@cdc.gov
• CAS Registry Number:
  Aluminum hydroxide (CAS RN 21645-51-2)
• Federal Fiscal Year:
  2016
• Peer Reviewed:
  True
• Source Full Name:
  Annals of Occupational Hygiene
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:ec1da18a98ada55056b2bf58ca3a5260564af7a1fc4b92c28cc8774e8001b7ee84565617f5aa673ca043228b7987c3f0e3a40f3a16e5bb6d4ede5af43a5aad2d
• Download URL:
  https://stacks.cdc.gov/view/cdc/202544/cdc_202544_DS1.pdf
• File Type:
  [PDF - 667.27 KB ]