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hearing protection 120db

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For environments exceeding 120dB, hearing protection is required to prevent hearing damage. It is also important to consult a hearing professional for specific recommendations.

Employers must ensure that hearing protection devices used and worn by workers at a work site or work area meet the requirements of CSA Standard Z94\.2-14 (R2019\), Hearing protection devices - Performance, selection, care, and use, and are fit tested in accordance with CSA Standard Z94\.2-14 (R2019\). [1]

If workers are, or may be, exposed to noise at a work site or work area in excess of 82 dBA Lex, an employer must ensure a noise exposure assessment is conducted in accordance with CSA Standard Z107\.56-18, Measurement of noise exposure. [2]

An employer must ensure that a worker's exposure to noise at a work site does not exceed the noise exposure limits in Schedule 3, and 85 dBA Lex. [2]

If a noise exposure assessment confirms that workers are exposed to excess noise at a work site, an employer must develop and implement a noise management program. [3]

3 source record(s)

Sources used for this answer

[1] Occupational Health and Safety Code (Alberta Regulation 191/2021)

Page 142

Open source document

Source excerpt

# Part 16 Noise (cont.) ## Noise exposure assessment (cont.) Section 220 OCCUPATIONAL HEALTH AND SAFETY CODE Part 16 AR 191/2021 (i) ANSI/ASA S1.4-2014/Part 1/IEC [redacted postal code]-1:2013 (R2019), Electroacoustics - Sound Level Meters - Part 1: Specifications, (ii) ANSI/ASA S1.4-2014/Part 2/IEC [redacted postal code]-2:2013 (R2019), Electroacoustics - Sound Level Meters - Part 2: Pattern Evaluation Tests, and (iii) ANSI/ASA S1.4-2014/Part 3/IEC [redacted postal code]-3:2013 (R2019), Electroacoustics — Sound Level Meters — Part 3: Periodic Tests. - 219(3) An employer must ensure that a noise exposure assessment is (a) conducted and interpreted by a competent person who (i) is trained in conducting noise exposure assessments, (ii) is trained in the calibration, operation and maintenance of the equipment used in conducting noise exposure measurements, and (iii) can demonstrate an understanding of the method used for measurement, and (b) updated if a change in equipment, process or other thing affects the noise level or the length of time a worker is exposed to noise. - AR 191/2021 $219;242/2022 ## Record of noise exposure assessment - 220(1) An employer must ensure that each noise exposure assessment is recorded and includes (a) the sound level readings measured, (b) the dates of measurements, (c) the tasks of workers or occupations evaluated, (d) the type of measuring equipment used, (e) the work area evaluated, and (f) the date the assessment is completed. - 220(2) An employer must ensure that (a) a copy of the noise exposure assessment is available on request to an affected worker or an officer, and (b) the record of a noise exposure assessment is retained for at least 3 years from the date the assessment was completed. - AR 191/2021 s220;242/2022 ## Noise management program - 221 If a noise exposure assessment confirms that workers are exposed to excess noise at a work site, an employer must develop

[2] Occupational Health and Safety Code (Alberta Regulation 191/2021)

Page 143

Open source document

Source excerpt

# Part 16 Noise (cont.) ## Noise management program (cont.) Section 222 OCCUPATIONAL HEALTH AND SAFETY CODE Part 16 AR 191/2021 (c) procedures for measuring worker exposure to noise, (d) procedures for educating workers in the hazards of exposure to excess noise, (e) the methods of noise control to be used, (f) training workers in the correct use of noise control measures and hearing protection devices, (g) the selection, use and maintenance of hearing protection devices to be used and worn by workers, (h) posting of suitable warning signs in any work area where the noise level exceeds 85 dBA, (i) the requirements for audiometric testing and the maintenance of audiometric test records, and (j) an annual review of the noise management program that includes consideration of the data received under section 223(6). - AR 191/2021 s221;242/2022 ## Hearing protection - 222 An employer must ensure that hearing protection devices used and worn by workers at a work site or work area (a) meet the requirements of CSA Standard Z94.2-14 (R2019), Hearing protection devices - Performance, selection, care, and use, and (b) are fit tested in accordance with CSA Standard Z94.2-14 (R2019), Hearing protection devices - Performance, selection, care, and use. - AR 191/2021 s222;242/2022 ## Audiometric testing 223(1) An employer must provide, at the employer's expense, the following audiometric tests for a worker who is or may be exposed to excess noise at a work site or in a work area: (a) an initial baseline test as soon as reasonably practicable, but not later than 6 months after the worker is employed or within 6 months after a worker is or may be exposed to excess noise because of a change in the worker's duties or process conditions; (b) a test not more than 12 months after the initial baseline test; (c) a test at least every 2nd year after the test under clause (b). - 223(2) An employer must ensure that audiometric tests are administered by an audiom

[3] Occupational Health and Safety Code (Alberta Regulation 191/2021)

Page 141

Open source document

Source excerpt

# Securing Isolation (cont.) ## Pigging and testing of piping or pipelines (cont.) Section 216 OCCUPATIONAL HEALTH AND SAFETY CODE Part 16 AR 191/2021 # Part 16 Noise ## Duty to reduce 216 An employer must ensure that all reasonably practicable measures are used to reduce the noise to which workers are exposed in areas of the work site where workers may be present. AR 191/2021 s216;242/2022 ## Noise control design - 217 An employer must ensure that the following are designed and constructed in such a way that the continuous noise levels generated do not exceed 85 dBA or are as low as reasonably practicable: (a) a new work site or work area; (b) significant physical alterations, renovations or repairs to an existing work site or work area; (c) a work process introduced to the work site or work area; (d) significant equipment introduced to the work site or work area. - AR 191/2021 s217;242/2022 ## Worker exposure to noise - 218 An employer must ensure that a worker's exposure to noise at a work site does not exceed (a) the noise exposure limits in Schedule 3, and (b) 85 dBA Lex. - AR 191/2021 s218;242/2022 ## Noise exposure assessment 219(1) If workers are, or may be, exposed to noise at a work site or work area in excess of 82 dBA Lex, an employer must ensure a noise exposure assessment is conducted in accordance with CSA Standard Z107.56-18, Measurement of noise exposure. 219(2) An employer must ensure a noise exposure assessment at a work site is performed using (a) a noise dosimeter meeting the requirements for a Type 2 instrument as specified by ANSI/ASA S1.25-1991 (R2020), Specification for Personal Noise Dosimeters, or IEC [redacted postal code]:1993/AMD2:2017, Electroacoustics - Specifications for personal sound exposure meters, and set at (i) a criterion level of 85 dBA with a 3 dB exchange rate, (ii) a threshold level at or below 75 dBA or "off", and (iii) slow response, - or (b) a sound level meter or an integra

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