---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtA/part40/subpartK"
level: "subpart"
label: "Subpart K"
heading: "Testing Sites, Forms, Equipment and Supplies Used in Alcohol Testing"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtA-part40-subpartK"
sections_count: 8
---

# Subpart K — Testing Sites, Forms, Equipment and Supplies Used in Alcohol Testing

Title 49 C.F.R. — Transportation › Subtitle A — Office of the Secretary of Transportation › Part 40 — Procedures for Transportation Workplace Drug and Alcohol Testing Programs

## Sections

- [§40.221. Where does an alcohol test take place?](/cfr/49/40.221.md)
- [§40.223. What steps must be taken to protect the security of alcohol testing sites?](/cfr/49/40.223.md)
- [§40.225. What form is used for an alcohol test?](/cfr/49/40.225.md)
- [§40.227. May employers use the ATF for non-DOT tests, or non-DOT forms for DOT tests?](/cfr/49/40.227.md)
- [§40.229. What devices are used to conduct alcohol screening tests?](/cfr/49/40.229.md)
- [§40.231. What devices are used to conduct alcohol confirmation tests?](/cfr/49/40.231.md)
- [§40.233. What are the requirements for proper use and care of EBTs?](/cfr/49/40.233.md)
- [§40.235. What are the requirements for proper use and care of ASDs?](/cfr/49/40.235.md)