Test equipment standards applicable to tests and measurements described and required herein are:
(A) ANSI S1.1-1960: acoustic terminology (ISO R131), (IEC 50-08);
(B) ANSI S1.4-1961: general purpose sound level meters (IEC 123-1961);
(C) ANSI S1.11-1966: octave, half octave and third octave band filter sets (IEC-225-1966);
(D) ANSI S1.12-1967: laboratory standard microphones; and
(E) IEC 179-1965: precision sound level meters.
(Prior Code, § 9.405)