Occupational Exposure During Lead Abatement of Steel Surfaces by Needle Gun Methodology

Lange, John H.; Thomulka, Kenneth W.

doi:10.1007/s001280000026

Cited by 10 publications

(16 citation statements)

References 6 publications

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“…Risk of over-exposure was determined using a probability for exceedance by a graphical method as previously described [17,[28][29][30][31][32]. Probability for exceeding the OSHA PEL standard (occupational exposure limit, OEL) was determined for at least 5% of the average exposure concentration [28][29][30][31][32].…”

Section: Methodsmentioning

confidence: 99%

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Airborne Asbestos Concentrations during Abatement of Floor Tile and Mastic: Evaluation of Two Different Containment Systems and Discussion of Regulatory Issues

Lange¹

2001

Indoor Built Environ

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Regulatory agencies in the United States identify asbestos-containing floor tile as a friable material when abated. Such categorisation appears to be based on legislation rather than science and exposure data or health risks. This investigation suggests that occupational (personal) exposure during abatement of floor tile and mastic results in low airborne concentrations of asbestos as determined by phase contrast microscopy. Comparison of personal exposure results for two asbestos abatement school projects, which collected exposure data during abatement of floor tile and mastic together, one involving full containment and the other a partial containment system (critical barriers), suggests a statistical difference in concentrations. However, this difference was not considered to be biologically (health) significant. Other studies that collected exposure data on floor tile and mastic separately support findings of low exposure in studies reporting measurements of these building components together. Summary results as arithmetic and geometric means for occupational samples were below the Occupational Safety and Health Administration permissible exposure limit for airborne asbestos fibres. The basis for classifying floor tile and mastic as a friable asbestos-containing material does not appear to be supported by scientific evidence. A discussion of regulatory issues associated with asbestos-containing floor tile and mastic is presented.

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Section: Methodsmentioning

confidence: 99%

“…Probability for exceeding the OSHA PEL standard (occupational exposure limit, OEL) was determined for at least 5% of the average exposure concentration [28][29][30][31][32].…”

Section: Methodsmentioning

confidence: 99%

Airborne Asbestos Concentrations during Abatement of Floor Tile and Mastic: Evaluation of Two Different Containment Systems and Discussion of Regulatory Issues

Lange¹

2001

Indoor Built Environ

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“…Regulatory agencies considered the major route of exposure to children to be hand-to-mouth activities (pica) with inhalation a second but also important route [9,10]. Conversely, occupational exposure to lead, from a regulatory perspective, has focused on inhalation [1,[4][5][6]. This has resulted in two sets of proposed standards.…”

Section: Introductionmentioning

confidence: 99%

“…However, OSHA does recognize the importance of other routes of exposure in its regulations and publications, such as hand-to-mouth [11]. In addition others have published information on lead exposure to occupational populations [5,7,13].…”

Section: Introductionmentioning

confidence: 99%

“…These standards were established to reduce a blood lead level (BLL) in children to a concentration below 10 Ìg PbW dl -1 and are based on an association between dust lead loading and BLL [16]. Many buildings and structures in the United States are abated for lead that are commercial or industrial in nature and have little or no association with children [5,6]. In spite of this, the final clearance criteria commonly employed and described in specifications after lead abatement are those of HUD or EPA [17].…”

Section: Introductionmentioning

confidence: 99%

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A Suggested Lead Surface Concentration Standard for Final Clearance of Floors in Commercial and Industrial Buildings

Lange¹

2001

Indoor Built Environ

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Standards for final clearance after lead abatement have been established for child-related facilities and public housing in the United States. For these existing standards final clearance for lead is based on surface loading. However, no standards have been suggested for buildings that are identified as not child-related or public housing (e.g. commercial buildings). Calculations have now been made to determine a proposed final clearance loading value for buildings or structures that are not child-related or public housing and for the two situations: lead-free and non-lead-free. The values proposed for floors are 1,100 µg Pb·ft^–2 for lead-free buildings and 1,000 µg Pb·ft^–2 for non-lead-free buildings. Blood lead levels in adults should not increase after exposure at or below these suggested lead-loading values.

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Monitoring steel bridge renovation using lead isotopic tracing

Salome¹,

Gulson

Chiaradia

et al. 2017

Chemosphere

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Occupational Exposure During Lead Abatement of Steel Surfaces by Needle Gun Methodology

Cited by 10 publications

References 6 publications

Airborne Asbestos Concentrations during Abatement of Floor Tile and Mastic: Evaluation of Two Different Containment Systems and Discussion of Regulatory Issues

Airborne Asbestos Concentrations during Abatement of Floor Tile and Mastic: Evaluation of Two Different Containment Systems and Discussion of Regulatory Issues

A Suggested Lead Surface Concentration Standard for Final Clearance of Floors in Commercial and Industrial Buildings

Monitoring steel bridge renovation using lead isotopic tracing

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