Paul Saladino· MD
you may see the term ermey you may see the term hertzme but these are essentially different samples that you take from around the home so you may get like a rag or a swab or a napkin and you'll go wipe the the ductwork you'll go like wipe the intake vent or wipe the vent in your bathroom or wipe your countertop you go and you gather dust from different surfaces in the home and then you put it into a ziploc bag and you get it back to the lab