Local Standard Operating Procedures (SOPs)
Tip 7: Discover local SOPs respecting verification of digital #duisimulator thermometer display. Use FOI, O'Connor, photos of breath room, section 652 view, and cross-examination.
SOPs are "detailed, written instructions to achieve uniformity of the performance of a specific function".
Does your local police service have standard operating procedures that define the essential steps that must be taken whenever alcohol standard is changed or subject breath tests are run? This breath room image reveals a local SOP requiring such verification every time the alcohol standard is changed.