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10.1093/annhyg/mer070 http://scihub22266oqcxt.onion/10.1093/annhyg/mer070 C4689193!4689193!21976308     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=21976308&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Ann+Occup+Hyg 2011 ; 55 (9): 1037-47 Nephropedia Template TP {{tp|p=21976308|t=2011. Exposure and Emissions Monitoring during Carbon Nanofiber Production?Part II: Polycyclic Aromatic Hydrocarbons |pdf=|usr=}}{{21976308}} gab.com Text Exposure and Emissions Monitoring during Carbon Nanofiber Production Part II: Polycyclic Aromatic Hydrocarbons JO: Ann Occup Hyg http://www.kidney.de/pget.php?&tw=1&pmid=21976308 #FOAvip Production of carbon nanofibers and nanotubes (CNFs/CNTs) and their composite products is increasing globally. High-volume production may increase the exposure risks for workers who handle these materials. Though health effects data for CNFs/CNTs are limited, some studies raise serious health concerns. Given the uncertainty about their potential hazards, there is an immediate need for toxicity data and field studies to assess exposure to CNFs/CNTs. An extensive study was conducted at a facility that manufactures and processes CNFs. Filter, sorbent, cascade impactor, bulk, and microscopy samples, combined with direct-reading instruments, provided complementary information on air contaminants. Samples were analyzed for organic and elemental carbon (OC and EC), metals, and polycyclic aromatic hydrocarbons (PAHs), with EC as a measure of CNFs. Transmission electron microscopy with energy-dispersive X-ray spectroscopy also was applied. Fine/ultrafine iron-rich soot, PAHs, and carbon monoxide were production byproducts. Direct-reading instrument results were reported previously [Evans DE et al. (Aerosol monitoring during carbon nanofiber production: mobile direct-reading sampling. Ann Occup Hyg 2010; 54:514?31)]. Results for time-integrated samples are reported as companion papers in this issue. OC and EC, metals, and microscopy results are reported in Part I [Birch ME et al. (Exposure and emissions monitoring during carbon nanofiber production?Part I: elemental carbon and iron?soot aerosols. Ann Occup Hyg 2011; 55: 1016?36.)] whereas results for PAHs are reported here. Naphthalene and acenaphthylene were the dominant PAHs with average concentrations ranging from 115 to 336 ?g m?3 and 35 to 84 ?g m?3, respectively. Concentrations of other PAHs ranged from ~1 to 10 ?g m?3. Twit Text FOAVip Exposure and Emissions Monitoring during Carbon Nanofiber Production Part II: Polycyclic Aromatic Hydrocarbons ????Ann Occup Hyg http://www.kidney.de/pget.php?&tw=1&pmid=21976308 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=21976308 #FOAvip English Wikipedia <ref>{{Cite pmid|21976308}}</ref> Exposure and Emissions Monitoring during Carbon Nanofiber Production?Part II: Polycyclic Aromatic Hydrocarbons #MMPMID21976308 BIRCH ME Ann Occup Hyg 2011[Nov]; 55 (9): 1037-47 PMID21976308show ga Production of carbon nanofibers and nanotubes (CNFs/CNTs) and their composite products is increasing globally. High-volume production may increase the exposure risks for workers who handle these materials. Though health effects data for CNFs/CNTs are limited, some studies raise serious health concerns. Given the uncertainty about their potential hazards, there is an immediate need for toxicity data and field studies to assess exposure to CNFs/CNTs. An extensive study was conducted at a facility that manufactures and processes CNFs. Filter, sorbent, cascade impactor, bulk, and microscopy samples, combined with direct-reading instruments, provided complementary information on air contaminants. Samples were analyzed for organic and elemental carbon (OC and EC), metals, and polycyclic aromatic hydrocarbons (PAHs), with EC as a measure of CNFs. Transmission electron microscopy with energy-dispersive X-ray spectroscopy also was applied. Fine/ultrafine iron-rich soot, PAHs, and carbon monoxide were production byproducts. Direct-reading instrument results were reported previously [Evans DE et al. (Aerosol monitoring during carbon nanofiber production: mobile direct-reading sampling. Ann Occup Hyg 2010; 54:514?31)]. Results for time-integrated samples are reported as companion papers in this issue. OC and EC, metals, and microscopy results are reported in Part I [Birch ME et al. (Exposure and emissions monitoring during carbon nanofiber production?Part I: elemental carbon and iron?soot aerosols. Ann Occup Hyg 2011; 55: 1016?36.)] whereas results for PAHs are reported here. Naphthalene and acenaphthylene were the dominant PAHs with average concentrations ranging from 115 to 336 ?g m?3 and 35 to 84 ?g m?3, respectively. Concentrations of other PAHs ranged from ~1 to 10 ?g m?3. äExposure and Emissions Monitoring during Carbon Nanofiber Production?P(epmc).pdf DeepDyve Pubget Overpricing