Steve Arnold
CO Department of Public Health and Environment
CDPHE-APCD-ADM-B1
4300 Cherry Creek Dr. South
Denver, CO 80246-1530
T: (303) 692-3220
F: (303) 782-5494 steve.arnold@state.co.us and sdadoo@msn.com
Bob Kotchenruther, PhD EPA Region-10
OEA-095
1200 Sixth Av.
Seattle, WA 98101
T: (206) 553-6218 Kotchenruther.Robert@epa.gov