# COMAR Title 10 — Maryland Department of Health

## Subtitle 21 — Behavioral Health Regulations

### Chapter 08 — Services for Mentally Ill Hearing Impaired Patients in Facilities

#### Regulation .05 Requirements for the Acoustical Environment.

*COMAR 10.21.08.05*

The test tones listed in this regulation shall meet the allowable octave-band ambient noise levels which are noted in the following table taken from page 5 of the May 1985 ASHA journal:

Test frequency
            500
            1000
            2000
            4000
          
          
            Octave-band cutoff
            300
            600
            1200
            2400
          
          
            Frequencies
            600
            1200
            2400
            4800
          
          
            
          
          
            Octave-band level: Ear covered with earphone mounted in MX-41/AR cushion
            21.5
            29.5
            34.5
            42
          
          
            Plus ASHA screening level
            20
            20
            20
            20
          
          
            Resultant maximum ambient noise level allowable for ASHA screening
            41.5
            49.5
            54.5
            62