Test Equipment Standards.
Grand Rapids City Code § 9.66.1
in effectSec. 9.66.1. - Test Equipment Standards.
Test equipment standards applicable to tests and measurements described and required herein are:
ANSI/ASA S1.1 | Acoustic Terminology (ISO/TR 25417:2007) (IEC 60050-801:1994)
ANSI/ASA S1.4 | Sound Level Meters (IEC-61672-1, 2, & 3:2013)
ANSI/ASA S1.11 | Octave-band and Fractional-octave-band Filters (IEC 61260-1:2014, 61260-2, 61260-3:2016)
ANSI/ASA S1.15 | Laboratory Standard Microphones
or the latest revisions thereof, and such other and further standards as may be propounded in the Code of Recommended Practices of the Director.
(Ord. No. 2019-71, § 2, 11-19-19)
Source: City of Grand Rapids, Michigan, City Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/mi/grand_rapids/codes/code_of_ordinances?nodeId=TIOLRE_CH151NU_ART5NOCO_S9.66.1TEEQSTFetched: 11/7/2026