N.Y. Comp. Codes R. & Regs. tit. 6 § 454.2

Current through Register Vol. 46, No. 45, November 2, 2024
Section 454.2 - Microphone distance correction factors

If the distance between the microphone location point and the microphone target point is other than 50 feet (15.2 m), the maximum observed sound level reading generated by the motor vehicle in accordance with section 452.5 of this Title or the numerical average of the recorded maximum observed sound level readings generated by the motor vehicle in accordance with section 453.5 of this Title, shall be corrected as specified in the following table:

TABLE 2

DISTANCE CORRECTION FACTORS

If the distance between the microphone location pointThe value dB(A) to
and the microphone target point is:be applied to the
observed sound
level reading is-
35 feet (10.7 m) or more but less than 39 feet (11.9 m) -3
39 feet (11.9 m) or more but less than 43 feet (13.1 m) -2
43 feet (13.1 m) or more but less than 48 feet (14.6 m) -1
48 feet (14.6 m) or more but less than 58 feet (17.7 m) 0
58 feet (17.7 m) or more but less than 70 feet (21.3 m) +1
70 feet (21.3 m) or more but less than 83 feet (26.3 m) +2

N.Y. Comp. Codes R. & Regs. Tit. 6 § 454.2