Surface Debris Measurement

LITMAS measures debris based on:

  • Testing for evidence of human, pollen or fire-related residues that may indicate inadequate remediation of fire, hoarding, trauma etc. contaminated sites

Measurement is reported as a percentage loading of different types of debris based on the area of a microscope field of view where light is occluded by opaque material

Reports show the extent of loading, or the presence/absence of:

  • Human and insect detritus
  • Dust mites
  • Pollen
  • Fire residues
  • Absence or presence of sewage related bacteria
  • Soot residue

Outcomes

  • Increased confidence that settled mould was due to normal fungal ecology
  • Presence/absence of human detritus (hair and skin) in accordance with the IAQAA Guidelines for Cleaning Verification
  • Verification of cleaning effectiveness in removal of microscopic general debris (soiling) in keeping with IAQAA Guidelines
  • Compliant modification of ATP thresholds for a highly granular or deteriorating surface / location / elected cleaning and disinfection regime

Compliant with ASTM D7658-17 and ASTM D5755-09 (2014) e-1

 

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LITMAS

LITMAS stands for Leading Inspection, Training, Monitoring and Analytical Science. Through these services LITMAS provides trusted services that allow clients to focus on their own organisation and less on the fitness of their buildings.

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