hopkepk ✭✭

Sticky tape will not be an effective method for quantitatively assessing particulate matter exposure. Depending on whether it is horizontal or vertical will have a major impact on the amount of colle… (View Post)

To introduce myself, I am providing a brief biographical paragraph on my involvement in clean air. Dr. Philip K. Hopke is the Bayard D. Clarkson Distinguished Professor Emeritus at Clarkson Universit… (View Post)