asbestos in ambler air
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Asbestos in Ambler Air? Reto Gier Department of Earth and Environmental Science Sigma-2 Passive Sampler German sampler, accredited by DIN for ambient air monitoring (does not require power) Typical exposure time: 1 week Sample

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  1. Asbestos in Ambler Air? Reto Gieré Department of Earth and Environmental Science

  2. Sigma-2 Passive Sampler German sampler, accredited by DIN for ambient air monitoring (does not require power)

  3. Typical exposure time: 1 week Sample Sampler shown in holder “open“ position, i.e. when sample holder is exchanged DWD

  4. Sample holder Sticky foil à traps all airborne materials DWD

  5. Samples studied by optical microscopy DWD

  6. Typical sample from a village 20 µm à particles can be distinguished based on their optical properties DWD

  7. Example of BoRit Air Various soil minerals 3/31-4/7/16

  8. Example of BoRit Air Soil minerals and plant fiber (?) 3/31-4/7/16

  9. Example of BoRit Air Probably a plant fiber, NOT asbestos! 3/31-4/7/16

  10. Example of BoRit Air Plant fiber (?), NOT asbestos! Tire abrasion particle 4/7-4/14/16

  11. Example of BoRit Air Various soil minerals and organic fibers 4/7-4/14/16

  12. Example of BoRit Air Various soil minerals and organic fibers Next picture 4/7-4/14/16

  13. Example of BoRit Air Probably a Quartz crystal Probably a Feldspar crystal 4/7-4/14/16

  14. Preliminary results (5 weeks of sampling) - no asbestos detected - lots of soil minerals - tire abrasion particles - plant fibers - dog hair (?)

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