Tool Details

Local bias adjustment factors
Developed by Defra LAQM support helpdesk - Tools by this owner (13)

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Description

Many Local Authorities are now carrying out diffusion tube co-location studies. A spreadsheet has been developed to assist diffusion tube users in calculating the precision and accuracy of their results, in co-location studies where diffusion tubes are compared with automatic analysers. It can be used to calculate a bias adjustment factor (with a 95% confidence interval as an estimate of the uncertainty on the bias adjustment factor), and then to apply the bias adjustment factor to annual mean results from other NO2 diffusion tube sites.

http://laqm.defra.gov.uk/bias-adjustment-factors/local-bias.html

Categories

  • Function:
    • Monitoring and reporting
  • Sector:
    • Covers a wide range
  • Target Group:
    • Planner / Policy Maker,
    • Environmental policy officers
  • Scope:
    • Direct emissions from site/area/activities
  • Impacts Assessed:
    • Air Pollution Emissions,
    • Waste
  • Methodology:
    • UK: Defra GHG CRG
  • Where can the tool be used?:
    • UK

Other

  • Cost:
    • Free
Local bias adjustment factors

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