Respiratory filter efficiency comparison of dioctyl phthalate (DOP) and Hitec 164.

Details

• Personal Author:
  Berardinelli, Stephen P. Jr. ; Moyer ES
• Description:
  Dioctyl-phthalate (117817) (DOP) and Hitec-164 were employed as challenge agents for determining respirator filter performance. Respirator filter penetration as a function of aerosol loading was monitored for four commercially available respirator filters, three high efficiency (HE) filters and one new type dust, fume and mist (DFM) filter. The investigation was conducted to obtain baseline data for DOP to be used as a comparison in future investigations which evaluate the filter efficiency characteristics of potential nontoxic DOP replacement aerosol challenge agents. The HE filters tested revealed filter efficiency greater than the minimum criteria set forth in 30 CFR Part 11. The HE filters did not significantly degrade with liquid aerosol loading and appeared to conform to the criteria proposed in the 42 CFR 84 August 27, 1987, proposal. No differences could be distinguished between the instrumental and aerosol generation methodology (hot/cold) probably due to the high efficiency of the HE filters and/or to the variability or rapid degradation of the DFM filter tested. The Hitec-164 did not appear to be a suitable substitute for DOP as it demonstrated a significantly reduced degradation effect on the DFM filter tested and therefore gave higher efficiencies than DOP. The authors state that to test the comparability between liquid aerosol penetration characteristics, filters with efficiencies between 92 and 98% which do not rapidly degrade would be ideal.
• Subjects:
  Accidents, Occupational Air Pollutants, Occupational Environmental Monitoring Hazardous Substances Occupational Health Safety Vanadium Compounds
• Keywords:
  Filter-fabrics Filter-materials Filter-membranes NIOSH-Author Personal-protective-equipment Phthalates Respirators Respiratory-protection
• Publisher:
  National Institute for Occupational Safety and Health
• Document Type:
  Text
• Genre:
  Other
• Place as Subject:
  OSHA Region 3 ; West Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  DSR - Division of Safety Research
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-112
• NIOSHTIC Number:
  nn:00199134
• Citation:
  Morgantown, WV: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, 1989 Dec; :1-112
• CAS Registry Number:
  Dioctyl phthalate (CAS RN 117-81-7)
• Federal Fiscal Year:
  1990
• NORA Priority Area:
  Respirators
• Peer Reviewed:
  False
• Source Full Name:
  National Institute for Occupational Safety and Health
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:3ad332670d6993a9061e3f21c0274ee70455a193e57a47f5ee05b169089b44b4496ad2bbe2323f33adf0caab395ecefcc62ddbc7f0e2b4574adee20542537230
• Download URL:
  https://stacks.cdc.gov/view/cdc/180718/cdc_180718_DS1.pdf
• File Type:
  [PDF - 2.59 MB ]