1. EHO Category Strength 1943-2010

2. USPHS Sanitarian/EHO’s Officers in the Category, 1943-2010 381

3. USPHS Sanitarian/EHO Category Policy Milestones in Category Growth HSO’S “ Kicked Out” EHO Career Tracks Reserve Corps Eliminated PHS Act of 1943 1 st Regular Corps Officer (Evelyn Rahn) Under Grads in Reserve Corps

4. “Extension of eligibility for the regular corps to persons qualified in related scientific specialties in the field of public health.” P.L. 78-184, Section 208 “The intent is to cover persons such as biologists, zoologists, entomologists, and other scientists whose training and qualifications are comparable to those of doctors of medicine.” 42U.S.C.12,13,38 “USPHS announces the title “Sanitarian” has been adopted for officers trained in public health work, but not in the specific field of medicine, dentistry, or sanitary engineering.” AJPH, May 1943 Language on the Commissioning of Sanitarians by USPHS USPHS Sanitarian/EHO Category Policy Milestones in Category Growth

5. USPHS Sanitarian/EHO Category Organizational Milestones in Category Growth Koop & Revitalization PHS Breakup FDA Transformation FDA & OS EHO’s EPAIHS 86-121 ATSDR HEW

6. USPHS Sanitarian/EHO Category Environmental Protection Agency All EHOs EPA

7. USPHS Sanitarian/EHO Category Center for Disease Prevention & Control All EHOs CDC

8. USPHS Sanitarian/EHO Category Agency for Toxic & Substance Disease Registry All EHOs ATSDR

9. USPHS Sanitarian/EHO Category Environmental Protection Agency All EHOs USCG

10. USPHS Sanitarian/EHO Category Food & Drug Administration All EHOs FDA

11. USPHS Sanitarian/EHO Category Indian Health Service All EHOs IHS

12. USPHS Sanitarian/EHO Category Workforce & Leadership Trends Indian Health Service CDC & PHSDiversified