User:BobHerm
Bob Hermanson is a chemical engineer with 30+ years of experience, mostly in the areas of petroleum refining and US federal air emissions control regulations. He is based in Chicago, but his work takes him all over the US.
Bob Hermanson is a chemical engineer with 30+ years of experience, mostly in the areas of petroleum refining and US federal air emissions control regulations. He is based in Chicago, but his work takes him all over the US.