Research by BostonFern 5 research notes and 5 wiki edits starting over 3 years ago
What are the effectiveness of various household material for blocking coronavirus?
Post by @BostonFern 2 | 3 years ago
Do you really need a special filter to filter out ultrafine particulates in the air?
Post by @BostonFern 2 | 3 years ago
What is the air flow requirement for air sampling tubes? Any inexpensive method?
Post by @BostonFern 2 | 3 years ago
Which is more accurate in measuring formaldehyde: air sampling tubes vs RKI FP-30?
Post by @BostonFern 2 | 3 years ago