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Evaluation of exposure to PAHs in asphalt workers by

Evaluation of exposure to PAHs in asphalt workers by

Evaluation of exposure to PAHs in asphalt workers by ...

In the present article we assessed exposure to polycyclic aromatic hydrocarbons (PAHs) in Italian asphalt workers (AW, n = 100), exposed to bitumen fumes and diesel exhausts, and in roadside construction workers (CW, n = 47), exposed to diesel exhausts, by means of environmental and biological monitoring. 1-hydroxypyrene (OH-Py) was determined in urine spot samples collected,

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Evaluation of Exposure to PAHs in Asphalt Workers by ...

Oct 05, 2006  Abstract: In the present article we assessed exposure to polycyclic aromatic hydrocarbons (PAHs) in Italian asphalt workers (AW, n= 100), exposed to bitumen fumes and diesel exhausts, and in roadside construction workers (CW, n= 47), exposed to diesel exhausts, by means of environmental and biological monitoring. 1-Hydroxypyrene (OH-Py) was determined in urine spot

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Protocol Assessment of Occupational Exposure to PAHs in ...

asphalt sealants have been thought to break down more readily in petroleum spills, and not last quite as long. ... need for evaluation of occupational exposure levels for workers applying coal tar sealants. An unpublished ... Methods also exist to assess worker exposure to PAHs by testing biological specimens including urine and blood.

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Evaluation of Exposure to PAHs in Asphalt Workers by ...

Not Available adshelp[at]cfa.harvard The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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Evaluation of worker exposure to asphalt paving fumes ...

Forty-five workers at 11 paving sites across the United States were evaluated for exposure to paving asphalt (bitumen) fumes. Traditional measures of exposure such as total particulate matter (TPM) and benzene soluble matter (BSM) were monitored. In addition, total organic matter (TOM), which includ

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Evaluation of Exposure to PAHs in Asphalt Workers by ...

Oct 05, 2006  Abstract: In the present article we assessed exposure to polycyclic aromatic hydrocarbons (PAHs) in Italian asphalt workers (AW, n= 100), exposed to bitumen fumes and diesel exhausts, and in roadside construction workers (CW, n= 47), exposed to diesel exhausts, by means of environmental and biological monitoring. 1-Hydroxypyrene (OH-Py) was determined in urine spot

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Evaluation of exposure to PAHs in asphalt workers by ...

Abstract. n the present article we assessed exposure to polycyclic aromatic hydrocarbons (PAHs) in Italian asphalt workers (AW, n = 100), exposed to bitumen fumes and diesel exhausts, and in road side construction workers (CW, n = 47), exposed to diesel exhausts, by means of environmental and biological monitoring. 1-Hydroxy pyrene (OH-Py) was determined in urine spot samples collected ...

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Evaluation of worker exposure to asphalt paving fumes ...

Forty-five workers at 11 paving sites across the United States were evaluated for exposure to paving asphalt (bitumen) fumes. Traditional measures of exposure such as total particulate matter (TPM) and benzene soluble matter (BSM) were monitored. In addition, total organic matter (TOM), which includ

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Worker Health Study Summaries - Asphalt Pavers NIOSH CDC

Research on long-term exposure Asphalt Pavers (Polycyclic Aromatic Hydrocarbons (PAHs)) 1995. Study Background. During 1994 and 1995, the National Institute for Occupational Safety and Health (NIOSH) conducted a study of workers who worked at road paving sites in

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Protocol Assessment of Occupational Exposure to PAHs in ...

asphalt sealants have been thought to break down more readily in petroleum spills, and not last quite as long. ... need for evaluation of occupational exposure levels for workers applying coal tar sealants. An unpublished ... Methods also exist to assess worker exposure to PAHs by testing biological specimens including urine and blood.

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Assessment of Exposure to Polycyclic Aromatic Hydrocarbons ...

The purpose of the work was the assessment of exposure to Polycyclic Aromatic Hydrocarbons (PAH), a family of ubiquitous pollutants of which some are carcinogens, in 100 Italian asphalt workers (exposed to bitumen fumes and diesel exhausts) and in a reference group of 47 ground construction operators (exposed only to diesel exhausts, reference group).

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Dermal exposure to polycyclic aromatic hydrocarbons in ...

OBJECTIVES: To assess dermal exposure to 16 polycyclic aromatic hydrocarbons (PAHs) in asphalt workers by applying polypropylene pads to six body sites (neck, shoulder, upper arm, wrist, groin, ankle), to identify the compounds and exposure sites most representative, and to integrate dermal exposure results with environmental and biological data.

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Dermal exposure to polycyclic aromatic hydrocarbons in ...

Objectives To assess dermal exposure to 16 polycyclic aromatic hydrocarbons (PAHs) in asphalt workers by applying polypropylene pads to six body sites (neck, shoulder, upper arm, wrist, groin, ankle), to identify the compounds and exposure sites most representative, and to integrate dermal exposure results with environmental and biological data. Methods Twenty-four asphalt workers were ...

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Investigation of PAH Biomarkers in the Urine of Workers ...

Jul 14, 2009  INTRODUCTION. Asphalt (also referred to as bitumen) is a by-product of petroleum refining that is widely used to pave roads. Road-paving workers are exposed to emissions from hot asphalt that contain polycyclic aromatic hydrocarbons (PAHs), some of which are carcinogens ().Although epidemiologic evidence points to increased cancer risks among asphalt-exposed workers

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Occupational exposure to asphalt fume can cause oxidative ...

Mar 07, 2018  Disulfide/thiol ratio, TOS, and TAS were also significantly higher for the asphalt workers. A positive correlation existed between urinary 1‐OHP and 8‐OH‐dG, TOS and TAS. Conclusion. Study results indicate that exposure to PAHs induces oxidative stress and causes genotoxic effects in asphalt workers.

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Evaluation of telomere length and genotoxicity among ...

Oct 01, 2020  1. Introduction. Asphalt workers are one of the major occupational groups being exposed to a variety of chemical, biological, or physical (e.g. noise, heat, and radiation) agents throughout their work-life [].The bitumen asphalt preparation and road paving tasks chronically expose workers to polycyclic aromatic hydrocarbons (PAHs) both by inhalation and dermal contact [].

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Investigation of PAH biomarkers in the urine of workers ...

Jul 14, 2009  Campo L, Buratti M, Fustinoni S, et al. Evaluation of exposure to PAHs in asphalt workers by environmental and biological monitoring. Ann N Y Acad Sci. 2006b; 1076:405–20. [Google Scholar] Campo L, Fustinoni S, Burratti M, et al. Unmetabolized polycyclic aromatic hydrocarbons in urine as biomarkers of low exposure in asphalt workers.

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Biological Monitoring of Exposure to Polycyclic Aromatic ...

The instance, RP workers and the case of pyrene, an uptake of differences found between baseline and before shift urine about 34 ng/shift of A-PYR inhaled during the work shift could be due to an accumulation of PAHs absorbed in ([17 ng/m3 work-shift exposure (end-shift median value the previous working days, considering that baseline or for RP ...

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Association of cancers with asphalt among road paving workers.

Jul 12, 2017  Exposure to airborne respirable particles (PM10) and polycyclic aromatic hydrocarbons (PAHs) of asphalt manufacturing and road paving workers in the Campania region (Italy) in 2007 showed constant health hazards.Exposure to bitumen fumes can also cause genotoxic effects.

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Protocol Assessment of Occupational Exposure to PAHs in ...

asphalt sealants have been thought to break down more readily in petroleum spills, and not last quite as long. ... need for evaluation of occupational exposure levels for workers applying coal tar sealants. An unpublished ... Methods also exist to assess worker exposure to PAHs by testing biological specimens including urine and blood.

get price

Dermal exposure to polycyclic aromatic hydrocarbons in ...

Objectives To assess dermal exposure to 16 polycyclic aromatic hydrocarbons (PAHs) in asphalt workers by applying polypropylene pads to six body sites (neck, shoulder, upper arm, wrist, groin, ankle), to identify the compounds and exposure sites most representative, and to integrate dermal exposure results with environmental and biological data. Methods Twenty-four asphalt workers were ...

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Asphalt (Bitumen) Fumes - Exposure Evaluation ...

Reducing Roofers' Exposure to Asphalt Fumes. U.S. Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 2003-107, (September 2003). Provides a guide for roofers and contractors who work with hot asphalt on roofs, including steps for reducing exposure to asphalt fumes.

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PAH exposure in asphalt workers. - CAB Direct

Urinary 1-OHP has become the most commonly used biological marker of PAH exposure in asphalt workers. Objectives: The aim of this study was to assess asphalt workers exposure levels by monitoring 1-OHP urinary excretion and compare this data

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Investigation of PAH Biomarkers in the Urine of Workers ...

Jul 14, 2009  INTRODUCTION. Asphalt (also referred to as bitumen) is a by-product of petroleum refining that is widely used to pave roads. Road-paving workers are exposed to emissions from hot asphalt that contain polycyclic aromatic hydrocarbons (PAHs), some of which are carcinogens ().Although epidemiologic evidence points to increased cancer risks among asphalt-exposed workers

get price

Evaluation of telomere length and genotoxicity among ...

Oct 01, 2020  1. Introduction. Asphalt workers are one of the major occupational groups being exposed to a variety of chemical, biological, or physical (e.g. noise, heat, and radiation) agents throughout their work-life [].The bitumen asphalt preparation and road paving tasks chronically expose workers to polycyclic aromatic hydrocarbons (PAHs) both by inhalation and dermal contact [].

get price

Investigation of PAH biomarkers in the urine of workers ...

Jul 14, 2009  Campo L, Buratti M, Fustinoni S, et al. Evaluation of exposure to PAHs in asphalt workers by environmental and biological monitoring. Ann N Y Acad Sci. 2006b; 1076:405–20. [Google Scholar] Campo L, Fustinoni S, Burratti M, et al. Unmetabolized polycyclic aromatic hydrocarbons in urine as biomarkers of low exposure in asphalt workers.

get price

Investigation of PAH Biomarkers in the Urine of Workers ...

Campo L, Buratti M, Fustinoni S, et al. Evaluation of exposure to PAHs in asphalt workers by environmental and biological monitoring. Ann N Y Acad Sci. 2006b; 1076:405–20. Campo L, Fustinoni S, Burratti M, et al. Unmetabolized polycyclic aromatic hydrocarbons in urine as biomarkers of low exposure in asphalt workers. J Occup Environ Hyg.

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Biological Monitoring of Exposure to Polycyclic Aromatic ...

The instance, RP workers and the case of pyrene, an uptake of differences found between baseline and before shift urine about 34 ng/shift of A-PYR inhaled during the work shift could be due to an accumulation of PAHs absorbed in ([17 ng/m3 work-shift exposure (end-shift median value the previous working days, considering that baseline or for RP ...

get price

Assessing Approaches of Human Inhalation Exposure to ...

Mar 18, 2021  External exposure (Figure 1) is the air pollution concentration level of the environment where people dwell for a period, and can describe the exposure situation of individuals or populations.The exposure level can be directly estimated or predicted by modeling work based on pollution-related data and human time-activity patterns.

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Biological monitoring of pah exposure among asphalt workers

Aim of this work was the assessment of exposure to polycyclic aromatic hydrocarbons (PAHs) by urinary 1-hydroxypyrene (l-OHPyr) in asphalt workers. Median levels of l-OHPyr resulted higher in asphalt workers than in controls (184 vs.

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(PDF) Investigation of some immunological functions in a ...

Investigation of some immunological functions in a group of asphalt workers exposed to polycyclic aromatic hydrocarbons Onur Erdem IntroductionPolycyclic aromatic hydrocarbons (PAHs) are formed by pyrolysis or incomplete combustion of moral and cell-mediated immune reactions in animals and also suppress in vitro reactions of human blood cells ...

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Association of cancers with asphalt among road paving workers.

Jul 12, 2017  Exposure to airborne respirable particles (PM10) and polycyclic aromatic hydrocarbons (PAHs) of asphalt manufacturing and road paving workers in the Campania region (Italy) in 2007 showed constant health hazards.Exposure to bitumen fumes can also cause genotoxic effects.

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Exposure, respiratory symptoms, lung function and ...

Methods 116 conventional asphalt workers, 51 CRM asphalt workers and 100 controls were investigated. A repeated-measures analysis included 31 workers paving with both types of asphalt. Exposure to dust, nitrosamines, benzothiazole and polycyclic aromatic hydrocarbon (PAH) was measured in worksites.

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