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Fenceline PM4 crystalline.

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Title: Fenceline PM4 crystalline.
Authors: Richards, J.1 John.richards@aircontroltechniques.com, Brozell, T.2
Source: Mining Engineering. Oct2015, Vol. 67 Issue 10, p53-59. 7p.
Subjects: Particulate matter, Silica, X-ray diffraction, Polyvinyl chloride, Environmental impact analysis, Minnesota. Dept. of Health
Abstract (English): Communities near sand mines and processing facilities in Wisconsin have raised concerns regarding possible exposure to ambient respirable (PM4) crystalline silica. Fenceline PM4 (particulate matter captured with a 50 percent cut size of 4 micrometers aerodynamic diameter) crystalline silica concentration data were compiled at Fairmount Santrol Inc., Mathy Construction Inc. and U.S. Silica facilities. The long-term average PM4 crystalline silica concentrations ranged from 0.05 to 0.45 micrograms/m³ when sample values below the limit of quantification were treated as zeros. All of the long-term average concentrations were less than 20 percent of the Minnesota Department of Health's and California Office of Environmental Health Hazard Assessment's PM4 crystalline silica chronic reference exposure level of 3.0 micrograms/m3. The measured concentrations were consistently within the local background concentration range. Air Control Techniques PC. compiled the sampling data using Thermo Fisher Scientific Inc. Partisol 2000i PM2.5 samplers meeting the requirements of 40 CFR Part 50, Appendix L. These samplers were adapted to capture particulate matter with a 50 percent cut size of 4 micrometers. The use of polyvinyl chloride filters allowed for crystalline silica X-ray diffraction analysis by NIOSH Method 7500. The combined use of adjusted PM2.5 filter-based samplers with Method 7500 crystalline silica analyses provided for a highly sensitive limit of quantification of 0.31 micrograms/m3 of PM4 crystalline silica. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): Las comunidades cerca de canteras de arena y plantas de procesado en Wisconsin han notificado su preocupacion sobre la posibilidad de estar expuestos a silice cristalino respirable (PM4). Los datos de concentracion de silice cristalino PM4 colindante con comunidades (material en particulas capturado con un 50 por ciento de tamano de 4 micrometros de diametro aerodinamico) fue compilado en las plantas de Fairmount Santrol Inc., Mathy Construction Inc. y U.S. Silica. Los datos de concentraciones promedio a largo plazo eran de silice cristalino PM4 eran de 0.05 a 0.45 microgramos por metro cubico cuando los valores de las muestras por debajo del limite de cuantificacion eran tratados como ceros, y todos los valores promedios a largo plazo eran menores a 20 por ciento al nivel de exposicion cronica referencial de 3.0 microgramos silice cristalino PM4 por metro cubico del Departamento de Salud de Minnesota y la Oficina para la Evaluacion del Peligro de Salud Ambiental de California. Las concentraciones medidas fueron consistentes dentro de los antecedentes de rango de concentracion local. La compania Air Control Techniques PC. compile los datos de muestras mediante el uso de toma muestras Thermo Fisher Scientific Inc. Partisol 2000i PM2.5, que cumplen con los requisitos de 40 CFR Part 50, Apendice L. Estos toma muestras fueron adaptados para capturar particulas con un porcentaje de 50 por ciento de tamano de 4 micrometros. El uso de filtros de cloruro de polivinilo permitio el analisis por difraccion de rayos X de silice cristalino usando el Metodo de Prueba NIOSH 7500. El uso combinado de toma muestras adaptados PM2.5 con filtro con analisis de silice cristalino con Metodo 7500 arrojaron un limite altamente sensible de cuantificacion de 0.31 microgramos de silice cristalino PM4 por metro cubico. [ABSTRACT FROM AUTHOR]
Copyright of Mining Engineering is the property of Society for Mining, Metallurgy, & Exploration, Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="DE" term="%22Particulate+matter%22">Particulate matter</searchLink><br /><searchLink fieldCode="DE" term="%22Silica%22">Silica</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Polyvinyl+chloride%22">Polyvinyl chloride</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+impact+analysis%22">Environmental impact analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Minnesota%2E+Dept%2E+of+Health%22">Minnesota. Dept. of Health</searchLink>
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  Label: Abstract (English)
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  Data: Communities near sand mines and processing facilities in Wisconsin have raised concerns regarding possible exposure to ambient respirable (PM4) crystalline silica. Fenceline PM4 (particulate matter captured with a 50 percent cut size of 4 micrometers aerodynamic diameter) crystalline silica concentration data were compiled at Fairmount Santrol Inc., Mathy Construction Inc. and U.S. Silica facilities. The long-term average PM4 crystalline silica concentrations ranged from 0.05 to 0.45 micrograms/m³ when sample values below the limit of quantification were treated as zeros. All of the long-term average concentrations were less than 20 percent of the Minnesota Department of Health's and California Office of Environmental Health Hazard Assessment's PM4 crystalline silica chronic reference exposure level of 3.0 micrograms/m3. The measured concentrations were consistently within the local background concentration range. Air Control Techniques PC. compiled the sampling data using Thermo Fisher Scientific Inc. Partisol 2000i PM2.5 samplers meeting the requirements of 40 CFR Part 50, Appendix L. These samplers were adapted to capture particulate matter with a 50 percent cut size of 4 micrometers. The use of polyvinyl chloride filters allowed for crystalline silica X-ray diffraction analysis by NIOSH Method 7500. The combined use of adjusted PM2.5 filter-based samplers with Method 7500 crystalline silica analyses provided for a highly sensitive limit of quantification of 0.31 micrograms/m3 of PM4 crystalline silica. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Spanish)
  Group: Ab
  Data: Las comunidades cerca de canteras de arena y plantas de procesado en Wisconsin han notificado su preocupacion sobre la posibilidad de estar expuestos a silice cristalino respirable (PM4). Los datos de concentracion de silice cristalino PM4 colindante con comunidades (material en particulas capturado con un 50 por ciento de tamano de 4 micrometros de diametro aerodinamico) fue compilado en las plantas de Fairmount Santrol Inc., Mathy Construction Inc. y U.S. Silica. Los datos de concentraciones promedio a largo plazo eran de silice cristalino PM4 eran de 0.05 a 0.45 microgramos por metro cubico cuando los valores de las muestras por debajo del limite de cuantificacion eran tratados como ceros, y todos los valores promedios a largo plazo eran menores a 20 por ciento al nivel de exposicion cronica referencial de 3.0 microgramos silice cristalino PM4 por metro cubico del Departamento de Salud de Minnesota y la Oficina para la Evaluacion del Peligro de Salud Ambiental de California. Las concentraciones medidas fueron consistentes dentro de los antecedentes de rango de concentracion local. La compania Air Control Techniques PC. compile los datos de muestras mediante el uso de toma muestras Thermo Fisher Scientific Inc. Partisol 2000i PM2.5, que cumplen con los requisitos de 40 CFR Part 50, Apendice L. Estos toma muestras fueron adaptados para capturar particulas con un porcentaje de 50 por ciento de tamano de 4 micrometros. El uso de filtros de cloruro de polivinilo permitio el analisis por difraccion de rayos X de silice cristalino usando el Metodo de Prueba NIOSH 7500. El uso combinado de toma muestras adaptados PM2.5 con filtro con analisis de silice cristalino con Metodo 7500 arrojaron un limite altamente sensible de cuantificacion de 0.31 microgramos de silice cristalino PM4 por metro cubico. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Mining Engineering is the property of Society for Mining, Metallurgy, & Exploration, Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Code: eng
        Text: English
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        StartPage: 53
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      – SubjectFull: Particulate matter
        Type: general
      – SubjectFull: Silica
        Type: general
      – SubjectFull: X-ray diffraction
        Type: general
      – SubjectFull: Polyvinyl chloride
        Type: general
      – SubjectFull: Environmental impact analysis
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      – SubjectFull: Minnesota. Dept. of Health
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      – TitleFull: Fenceline PM4 crystalline.
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              Text: Oct2015
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