§ 29.74 - Calibration adaptors.

Related Notices
- 94-29121. Proposed rule. 94-29121. Testing and Evaluation by Nationally Recognized Testing Laboratories and Use of Equivalent Testing and Evaluation Requirements; Proposed Rule DEPARTMENT OF LABOR

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(a) Each detector shall be equipped with an adaptor that checks the overall response of the instrument to a premixed, methane-air mixture, having a concentration of not less than 1 percent or more than 3 percent, by volume.

(b) Adaptors shall be compatible with methane calibrating kits marketed for methane monitor calibration.

                    
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