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Water damage/mold Indoor Air Quality Asbestos Forensic microbiology Chemicals Ventilation - PowerPoint PPT Presentation


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Water damage/mold Indoor Air Quality Asbestos Forensic microbiology Chemicals Ventilation Radon (not for real estate). Presented By: Tracey Schultz, MSM. Overview. Geek Speak – What is radon Health effects Current EPA/WHO guidelines Measurement Altered readings Abatement

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Presentation Transcript

  • Water damage/mold

  • Indoor Air Quality

  • Asbestos

  • Forensic microbiology

  • Chemicals

  • Ventilation

  • Radon (not for real estate)



Overview

  • Geek Speak – What is radon

  • Health effects

  • Current EPA/WHO guidelines

  • Measurement

  • Altered readings

  • Abatement

  • Overall message: Educate clients before tests to keep deals moving forwards!




Health Effects

  • Lung cancer

  • Leading cause of lung cancer in non-smokers

  • 21,000 lung cancer deaths per year


EPA/WHO

  • EPA: 4.0 picocuries per liter of air – action level

    • Below 4.0 pCi/L, suggest action

  • WHO: 2.7 pCi/L

    • NOT U.S. guideline

    • Will eventually be EPA guideline


EPA/WHO

Number of people in 1,000 that will develop cancer from radon


Measurement

  • Long-term

    • 6 to 12 months

    • Alpha-track

    • Most accurate

  • Short-term

    • Typically 2 days

    • Passive (carbon or electric samples)

    • Continuous


Test Preparations

  • Close windows and doors 12 hours prior

  • Maintain closed conditions

  • Operate mechanical equipment as normal

  • Do not touch monitors!!!


Items that affect results

  • Winter

    • Elevated

      • Stack effect

      • Snow cover

    • “Normal”

  • Storms

    • Elevated

      • Wind

      • Barometric pressure

      • Rain cover

    • Not “Normal”

  • Furnace

    • Elevated

      • Non-High Efficiency Furnace

      • Ductwork

    • “Normal”

  • Air Exchangers

    • Lowered

    • “Normal”



Thank you!

  • $475 site assessments

  • with free sampling for many projects


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