What are the auditory acuity screening standards for screening equipment and procedures?
(1) Schools shall use auditory screening equipment providing tonal stimuli at frequencies at one thousand, two thousand, and four thousand herz (Hz) at hearing levels of twenty decibels (dB), as measured at the earphones, in reference to American National Standards Institute (ANSI) 1996 standards.
(2) Qualified persons will check the calibration of frequencies and intensity at least every twelve months, at the earphones, using equipment designed for audiometer calibration.
[Statutory Authority: RCW
28A.210.200. WSR 02-20-079, § 246-760-030, filed 9/30/02, effective 10/31/02. Statutory Authority: RCW
43.20.050. WSR 91-02-051 (Order 124B), recodified as § 246-760-030, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW
28A.31.030. WSR 87-22-010 (Order 306), § 248-148-031, filed 10/26/87.]