Test procedures as to noise levels emitted by motor vehicles and by engine-powered equipment when offered for sale shall conform to SAE Standards and Recommended Practices:
(A) SAE J-184: qualifying a sound data acquisition system, SAE Recommended Practice;
(B) SAE J-331: SAE Standard for sound levels for motorcycles, as it is proposed on the effective date of this chapter;
(C) SAE J-336a: exterior sound level for heavy trucks and buses, SAE Recommended Practice;
(D) SAE J-952b: sound levels for engine-powered equipment, SAE Standard; and
(E) SAE J-986a: sound levels for passenger cars and light trucks, SAE Standard.
(Prior Code, § 9.404)