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HERTSMI-2 Testing



HERTSMI-2 is a mold test that analyses the dust sample provided for 5 molds. These moulds are known as the “Big 5”. HERTSMI-2 is an acronym for Health Effects Roster of Type Specific Formers of Mycotoxins and Inflammagens – 2nd Version.


How does HERTSMI-2 Differ from ERMI Testing

HERTSMI-2 differs from ERMI Testing in a few ways;

  • HERTSMI-2 Testing looks at 5 molds, ERMI looks at 36 mold species.
  • The ERMI gives the result as an easy to understand the comparison to an established database of water damaged buildings and nonwater damaged buildings.
  • As HERTSMI-2 Analyses for 5 molds it is cheaper to do the analysis compared to 36 for the ERMI.


Which Mould Species are identified in HERTSMI-2

Aspergilus Penicilloides
Aspergillus Versicolor
Chaetomium Globosum
Stachybotrys Chartarum
Wallemia Sebi


How Can the HERTSMI-2 Score be used

A HERTSMI-2 score <10 is indicative that the building is safe for re-occupancy.


Additional Resources

Surviving Mold HERTSMI-2 Scorecard

Additional information

Turn Around Time

1 Day, 1 Day Same Day Service, 3 Days, 7 Days

Item Type

HERTSMI-2 Analysis & Swiffer Testing Kit, HERTSMI-2 Analysis & Vacuum Testing Kit