Q20. In general, which document source do you rely on most when preparing risk assessments?

  EPA-wide
(percent)		 Program
office
produced
(percent)		 No answer
(percent)		 Number
of respondents
a. Guidelines 53.6 37.4 9.0 211
b. Policy documents 32.0 51.5 16.5 194
c. Reference documents 41.8 40.3 17.9 196