According to OSHA standards, when should an audiometric baseline be established?

Establishing an audiometric baseline is crucial for monitoring an individual's hearing over time, particularly in environments where noise exposure is a concern. According to OSHA standards, the correct timing for establishing an audiometric baseline is within 6 months of the employee's initial exposure to noise, unless mobile testing is being used, which allows some flexibility due to logistical constraints.

This baseline evaluation is essential as it serves as a reference point to detect any changes in hearing resulting from occupational noise exposure. By setting this baseline within the specified timeframe, employers can ensure that they are complying with OSHA regulations and adequately protecting their employees’ hearing health.

The mention of mobile testing highlights a scenario where the specifics of the testing environment may necessitate adjustments, but the general guideline is still anchored in ensuring timely assessment. Thus, knowing that a 6-month timeframe, unless using mobile testing, aligns with proactive hearing conservation practices reinforces the correct answer.