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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