הצטרפ.ה ב:אפר' 06, 2017 פעילות אחרונה: אפר' 25, 2017 iNaturalist

I have an undergraduate environmental science degree from Texas Christian University, and a masters degree in technology and human affairs degree from Washington University. I worked for 33 years at EPA, mostly in the Superfund program. I retired in July 2016.

sew20003 is not following anyone.