BPI Building Analyst Tech Field exam: Hands-on exam with oral questions. Please note that the exam contains gated items that must be completed successfully to pass the exam, regardless of any other exam score. Candidate prepared combustible gas and CO measurement instruments for use according to ANSI/BPI‐1200 - Candidate sampled indoor ambient CO levels - Candidate sampled indoor ambient air for combustible gas levels on one floor of the house - Candidate monitored ambient CO levels in the CAZ during all combustion safety testing and stated results - Candidate set combustion appliances to pilot or standby to ensure they do not fire during the blower door test. Time limit: 4 hours. Passing score: 70% or higher
