Infrared spectroscopy for quantifying diesel particulate matter.

Details

• Personal Author:
  Berry CA ; Griffiths PR ; Miller AL ; Parks DA ; Raj KV ; Weakley AT
• Description:
  Diesel particulate matter (DPM) has been classified as a carcinogen to humans by the International Agency for Research on Cancer. As a result of its potential carcinogenic nature, DPM exposure is regulated by the Mine Safety and Health Administration (MSHA). Currently, diesel emissions in the workplace are monitored by collecting the aerosol onto filters, which are then sent to a laboratory for thermal-optical analysis using the NIOSH 5040 method. This process can take days or even weeks, and workers can potentially be exposed to excessive levels of (DPM) before the problem is identified. Moreover, the delay involved in getting the loaded filter to the lab inevitably means the loss of some of the more volatile organic carbon. To remedy this delay, researchers from the National Institute for Occupational Safety and Health are seeking to develop a field-portable method for measuring elemental and organic carbon in DPM aerosols. In the current study, we investigated the use of mid-infrared spectrometry, which lends itself more readily to implementation in a real-time system than do the thermal-optical analysis methods. We have demonstrated a method for measuring organic carbon (OC) and elemental carbon (EC) in DPM for a broad range of OC/EC ratios. The method has been successfully applied to laboratory-generated samples and to mine samples. [Description provided by NIOSH]
• Subjects:
  Aerosols Carcinogens Mining Occupational Health Particulate Matter Risk Assessment Risk Factors Safety Vehicle Emissions Volatile Organic Compounds
• Keywords:
  Diesel engines; Diesel exhaust; Diesel exhausts; Diesel emissions; Particulates; Carcinogens; Humans; Aerosols; Filters; VOCs; Volatile organic compounds; Carbon; Mining industry; Mining equipment; Infrared spectroscopy; Risk factors
• Series:
  Mining Publications
• ISBN:
  9781510884663
• Publisher:
  Curran Associates, Inc.
• Document Type:
  Text
• Genre:
  Proceedings
• Place as Subject:
  California ; OSHA Region 10 ; OSHA Region 8 ; OSHA Region 9 ; Utah ; Washington
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  SMRD - Spokane Mining Research Division
• Topic:
  Workplace Safety & Health
• Location:
  North America
• NIOSHTIC Number:
  nn:20059752
• Citation:
  2019 SME Annual Conference & Expo and CMA 121st National Western Mining Conference: Smart Mining: Resources for a Connected World, February 24-27, 2019, Denver, Colorado. Red Hook, NY: Curran Associates, Inc., 2019 Aug; :584-587
• CAS Registry Number:
  Carbon (CAS RN 7440-44-0)
• Federal Fiscal Year:
  2019
• Peer Reviewed:
  False
• Source Full Name:
  2019 SME Annual Conference & Expo and CMA 121st National Western Mining Conference: Smart Mining: Resources for a Connected World, February 24-27, 2019, Denver, Colorado
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:7dc847c09aedf140bc731323e8446b4703641ae07d6ad9e7b7238120dab30b8f7dcaa9b938d34d035f87873a0fe7fec262d5d13dcaf290925445e82b6de3b57d
• Download URL:
  https://stacks.cdc.gov/view/cdc/247093/cdc_247093_DS1.pdf
• File Type:
  [PDF - 168.02 KB ]