Marc, I took the sample out of my vacuum cleaner bag, therefore whatever was in my carpet ended up in the sample. Most of the stuff in the vacuum canister was the gray powder. There was some normal dust and hair, etc, although I was careful to not get hair And dust with the sample. I guess the hair was microscopic. I keep my house very clean and have very little dust —just the powder! I‘m single and live alone and don’t generate a lot of dust.
I can dust one day and the next day my furniture is covered with the powder. I replaced my filters 2 months ago. Last night I removed them and ta