In-depth survey report: control technology for small business: evaluation of flexible duct-large hood ventilation for radiator repair at Hensley's Radiator Service, Inc., Charlottesville, Virginia.

Details

• Personal Author:
  Hall, Ronald M. ; Sheehy JW
• Description:
  The objective of this site visit to Hensley's Radiator Service (SIC- 7539), Charlottesville, Virginia was to evaluate and document the effectiveness of a control system in reducing exposure to airborne lead (7439921) during radiator repair operations. Each of the three radiator repair stations included a water bath, a work table and two compressed air/natural gas torches for burning and soldering. On average eight to ten radiators were repaired each day. However, during the peak summer season up to 15 radiators could be repaired in a day. Each of the three stations was equipped with local exhaust ventilation consisting of a canopy shaped exhaust hood connected to an 8 inch diameter flexible duct that permitted the hood to be moved directly to the work and source of lead fume generation. The ventilation effectively controlled lead emissions during hot weather with radiator repair activity near peak levels. Prior to the installation of the system the personal sampling data showed time weighted average (TWA) lead exposures for the radiator repair mechanics as high as 193 micrograms/cubic meter. The highest TWA after installation was 25 micrograms/cubic meter. The primary disadvantage of this control system was the need to frequently clean the electronic ionizer collectors.
• Subjects:
  Accidents, Occupational Air Pollutants, Occupational Ear Hazardous Substances Occupational Health Particulate Matter Personal Protective Equipment Protective Clothing Respiratory Protective Devices Safety Sense Organs

  More +
• Keywords:
  Automobile-repair-shops Control-technology Dust-control Field-Study Heavy-metals Lead-fumes NIOSH-Author NIOSH-Survey Occupational-exposure Region-3
• DOI:
  https://doi.org/10.26616/NIOSHECTB17214a
• Publisher:
  National Institute for Occupational Safety and Health
• Document Type:
  Text
• Genre:
  Field Studies ; Control Technology
• Place as Subject:
  Ohio ; OSHA Region 3 ; OSHA Region 5 ; Virginia
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-31
• NIOSHTIC Number:
  nn:00199723
• Citation:
  Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, ECTB 172-14a, 1991 May; :1-31
• CAS Registry Number:
  Lead (CAS RN 7439-92-1)
• Federal Fiscal Year:
  1991
• NORA Priority Area:
  Control-technology
• Peer Reviewed:
  False
• NAICS and SIC Codes:
  7539 - Automotive repair shops, not elsewhere classified - (SIC)
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:0de91df24eb0c19964e664552efe36f33af1bf74fd451921d27c5c0c3ba2461437ce634d25797b04737d888d6f4f8a85212deec00207f3ab8a892693c73f3466
• Download URL:
  https://stacks.cdc.gov/view/cdc/180732/cdc_180732_DS1.pdf
• File Type:
  [PDF - 883.40 KB ]