HPM 70.4, DUI Manual

Question 1

What are the presumptive limits regarding influence and BAC?

Answer 1

(1) less than 0.05 it shall be presumed that the person was not under the influence
(2) 0.05 but less than 0.08 no presumption
(3) 0.08 it shall be presumed that the person was under the influence

p. 1-7

Question 2

What is the three-phase process for detecting and evaluating DUI?

Answer 2

Phase One (1) Vehicle in motion
Phase two (2) Personal Contact
Phase three (3) Pre-arrest Screening

p. 2-1