Application Application Occupational exposure monitoring. with the testo DiSCmini

Transcription

1 Application Application Occupational exposure monitoring with the testo DiSCmini

2 Application #2: Occupational exposure monitoring 2/14

3 Application #2: Occupational exposure monitoring 3/14

4 Application #2: Occupational exposure monitoring 4/14

5 Application #2: Occupational exposure monitoring 5/14

6 Application #2: Occupational exposure monitoring 6/14

7 Occupational inhalation exposure assessment using DiSCmini Joonas Koivisto, Ismo Koponen, Marcus Levin, Asger Nørgaard, Alexander Jensen, Kirsten Kling, Keld Jensen NanoIndEx Workshop /

8 Outline Workplace measurements using DiSCmini: Handling of Nanodiamonds (NDs) A handcraft workshop Injection molding of car bumpers Tungsten carbide-cobalt (WoCCo) sieving and milling Jet engine emissions Summary of 8-h doses defined from DiSCmini measurements Biological relevance of the doses Summary 8/14

9 Exposure during handling and sieving nanodiamonds Sieving Concentration measurements: Breathing zone (DiSCmini) Background from ventilation air (SMPS) Work station (SMPS, DiSCmini, OPS, ELPI, ) DiSCmini s 9/14

10 Exposure concentrations SMPS+OPC D 50 = 57.0 nm DiSCmini D 50 = 54.1 nm Log 10 10/14 (N)

11 Injection molding of car bumpers Engel 2500 tonnes injection molding machine: Injection mold DM1 Packing DM2 Instrumentation: 2 x DiSCmini (two stage diffusion charger) Mini Particle Sampler for microscopy analysis 11/14

12 Tungsten carbide-cobalt (WoCCo) sieving and milling DM NF High energy ball mills (HEBM) DM FF Vibratory sieve shaker 12/14

13 References Personal exposure Neuberger et al. Exposure to ultrafine particles in hospitality venues with partial smoking bans, Journal of Exposure Science and Environmental Epidemiology (2013), 1 6; doi: /jes Van Broekhuizen et al. Exposure Limits for Nanoparticles: Report of an International Workshop on Nano Reference Values, Ann. Occup. Hyg., Vol. 56, No. 5, pp , 2012; doi: /annhyg/mes043 Koehler et al. New Methods for Personal Exposure Monitoring for Airborne Particles, Curr Environ Health Rep Contact Testo for Reference list December; 2(4): doi: /s z Koivisto et al. Range-Finding Risk Assessment of Inhalation Exposure to Nanodiamonds in a Laboratory Environment, Int. J. Environ. Res. Public Health 2014, 11, ; doi: /ijerph info@testo.com Sunyer et al. Association between Traffic-Related Air Pollution in Schools and Cognitive Development in Primary School Children: A Prospective Cohort Study, (2015) PLoS Med 12(3): e doi: /journal.pmed Rivas et al. Child exposure to indoor and outdoor air pollutants in schools in Barcelona, Spain, (2014) Environment International, doi.org/ /j. envint Rivas et al. Outdoor infiltration and indoor contribution of UFP and BC, OC, secondary inorganic ions and metals in PM2.5 in schools, (2014), Atmospheric Environment, doi.org/ /j.atmosenv /14

14 References Occupational Health & Safety Fonseca et al. Ultrafine and nanoparticle formation and emission mechanisms during laser processing of ceramic materials, Journal of Aerosol Science 88 (2015) 48 57, doi /j.jaerosci van Broekhuizen et al. Workplace exposure to nanoparticles and the application of provisional nanoreference values in times of uncertain risks, (2012) J Nanopart Res (2012) 14:770, doi /s Kaminski at al. Measurements of Nanoscale TiO2 and Al2O3 in Industrial Workplace Environments Methodology and Results, (2015) Aerosol and Air Quality Research, 15: , 2015, doi: /aaqr Fonseca et al. Characterization of Exposure to Carbon Nanotubes in an Industrial Setting, (2014), Ann. Occup. Hyg., 2014, 1 14, doi: /annhyg/meu110 Contact Testo for Reference list Fonseca et al. Process-generated nanoparticles from ceramic tile sintering: Emissions, exposure and environmental release, (2016), Science of the Total Environment, dx.doi.org/ /j.scitotenv info@testo.com Kocks et al. Release of nanomaterials from ink and toner cartridges for printers, (2015), The Danish Environmental Protection Agency, ISBN Ho Ji et al. Workplace Exposure to Titanium Dioxide Nanopowder Released from a Bag Filter System, (2014), BioMed Research International Volume 2015, Article ID , 9 pages, doi.org/ /2015/ Graczyk et al. Characterization of Tungsten Inert Gas (TIG) Welding Fume Generated by Apprentice Welders, (2015), Ann. Occup. Hyg., 2015, 1 15 doi: /annhyg/mev074 Van Landuyt et al. Nanoparticle release from dental composites, (2015), Acta Biomaterialia, doi.org/ /j.actbio /14