§ 1034. Training and Positioning of Personnel.

Personnel shall be trained and positioned during noise tests as follows:

(a) Training. Persons testing exhaust systems shall have received training in the calibration, use, and maintenance of noise measuring instruments and shall be knowledgeable of the stationary test procedures published by the department. Trained personnel shall be capable of demonstrating their proficiency to departmental representatives.

(b) Positioning. The positioning of sound measurement technicians and bystanders shall be as follows:

(1) Technician Location. The technician making readings of the meter shall be positioned in relation to the microphone in accordance with the instrument manufacturer's instructions. The technician shall not be between the microphone and the axis of the exhaust outlet.

(2) Bystander Location. During sound measurements, bystanders shall not be within 10 ft (3.0 m) of the microphone or the vehicle being measured, except for one witness or trainee positioned behind the technician in line with the technician and the microphone. This requirement does not apply to persons in the vehicle.

HISTORY

1. Amendment of subsection (a) filed 6-16-77; designated effective 7-15-77 (Register 77, No. 25).