Welcome to the Web Based Discovery Materials Site (WebDMS). This site provides instant access to records of the Washington State Patrol’s Impaired Driving Section including the Breath Test Program, Drug Evaluation and Classification Program, Standardized Field Sobriety Testing Program and the Ignition Interlock Program.
Impaired Driving Section
Notifications
Instrument Records
Notifications
2025
- 2025-IDS-02 Incorrect Certification Date on Breath Test Instrument ARAH-0090
- 2025-IDS-01 Incorrect Certification Date on Breath Test Instrument ARKA-0046
2024
2023
- Draeger Alcotest 9510 Software Update
- Incorrect External Standard Lot Number
2022
Instrument Records