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title 49
Transportation
chapter I-i1
CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED)
part 199
PART 199—DRUG AND ALCOHOL TESTING
subpart A
Subpart A—General
Subpart A. Subpart A—General
§ 199.1 - Scope.
§ 199.2 - Applicability.
§ 199.3 - Definitions.
§ 199.5 - DOT procedures.
§ 199.7 - Stand-down waivers.
§ 199.9 - Preemption of State and local laws.