Ask X3What does 49 CFR 40.235 (What are the requirements for proper use and care of ASDs?) require?
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As a motor-carrier owner using an alcohol screening device (ASD), 49 CFR 40.235 requires you to:
* Follow the quality assurance plan (QAP) instructions provided with the device for its use and care.
* Never use an ASD that has passed its expiration date.
* Never use an ASD that fails to pass the specified quality control checks.
* Follow the device use and care requirements of § 40.233 specifically for breath ASDs.
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