AUDIOMETRIC (HEARING) TESTING
Sonic Safety Services trained and
certified staff provides on-site Audiometric Testing. We can use
the clients test equipment or our own audiometers and portable
test booth. Please feel free to contact us with any questions.
Frequency of Test
All employees in the Hearing
Conservation Program must be tested annually as required by CFR
29 Part 1910.95 and ANSI S3.1-1991.
Retests for any invalid test or
STS (Standard Threshold Shifts) must be conducted within 30
Type of Tests
Air conduction, pure tone
audiometric threshold tests will be conducted at 500hz, 1000hz,
2000hz, 3000hz, 4000hz, 6000hz, and 8000hz in each ear.
NOTE: All tests will be
conducted by a Certified Audiometric Technician who has
completed a twenty hour approved CAOHC (Council on Accreditation
in Occupational Hearing Conservation) Course.
A biologic calibration check will
be conducted on the audiometer at the beginning of each session
and every four hours during the session.
A hearing history form will be
completed that contains, test date, time, name, id number, birth
date, job description, noise exposure (when available), type of
test (i.e. annual, baseline, pre-employment, exit), medical &
exposure history, audiometer make, model, serial number,
calibration date and the technician & employee signatures.
Tests will be conducted in sound
booths meeting CFR 29 Part 1910.95 and ANSI S3.1-1991
Audiometers will meet CFR 29 Part
NOTE: Audiometers will have an
annual Exhaustive, Electro-acoustic Calibration.
When Sonic Safety is not
responsible for record keeping and reviewing the tests, the
client will be issued a list of employees tested, the completed
hearing history form, and a printout of the AUDIOMETRIC test.
When Sonic Safety is responsible
for record keeping and reviewing the tests, the tests will be
compared to the base line (when available) following the
completion of the test. When a standard threshold shift is
indicated, counseling will occur and a retest scheduled.
The employer will receive letters
for each employee indicating their status following review.
These letters will also be used to notify the employee in
writing when testing indicates an abnormality where referral to
their personal physician or audiologist is recommended.
A comprehensive report will be
made available that will include names & numbers of people
tested, a list of results, copies of letters for employee files
and any recommendation resulting from the test review.