Margin of error in intoxilyzer test result is a relevant factor to be weighed in considering evidence for driver license revocation. 83 H. 24, 924 P.2d 192.

Based on §§286-257, 286-259, and this section, upon petitioner’s objection, the hearing officer must exclude from the record only (a) all unsworn statements (except the arrest report) of law enforcement officials who do not appear to testify, and (b) all other evidence that is both irrelevant and prejudicial. 91 H. 212 (App.), 982 P.2d 346.