49 C.F.R. § 399.209 Test procedures.
Title 49 - Transportation
(a) The force exerted on a handhold will be measured using a handheld spring scale or force transducer which can be attached to the vehicle and is free to rotate into alignment with a person's hand position. (b) Hand grasp will be evaluated by observing the handgrip of any individual who conforms with the definition of “person” appearing in §399.205 of this subpart.
Title 49: Transportation
PART 399—EMPLOYEE SAFETY AND HEALTH STANDARDS
Subpart L—Step, Handhold, and Deck Requirements for Commercial Motor Vehicles
§ 399.209 Test procedures.
