Swiffer Sampling Cloths
These cloths are supplied sterile and are intended for surface sampling of dust from horizontal surfaces.
Using disposable gloves, wipe surfaces of interest. If there is a need to determine the levels of contaminants from a fixed area, this should be recorded on the Chain of Custody.
Analysis can proceed to determine the culturable mould or bacteria on the cloth or more usually the analysis is performed by Mould Specific Quantitative Polymerase Chain Reaction (MSGPCR) methods which can detect upto 26 moulds associated with water damaged buildings, compared to the levels of 10 normally detected moulds.
This ratio is reported as an Environmental Relative Mouldiness Index (ERMI).