62.174—Follow-up corrective measures when a standard threshold shift is detected.
         The mine operator must, within 30 calendar days of receiving evidence or confirmation of a standard threshold shift, unless a physician or audiologist determines the standard threshold shift is neither work-related nor aggravated by occupational noise exposure:
    
    
    
        
        (b) 
         Provide the miner with the opportunity to select a hearing protector, or a different hearing protector if the miner has previously selected a hearing protector, from among those offered by the mine operator in accordance with  § 62.160 of this part; and
    
    
        
        (c) 
         Review the effectiveness of any engineering and administrative controls to identify and correct any deficiencies.