(A) All equipment used for testing the atmosphere within a confined space shall be composed of individual testing devices or testing device, which can simultaneously test for oxygen, hydrogen sulfide and combustible gas/vapors without manual switching. Testing devices shall be equipped with audible and visual warning devices, and signals from the monitoring device shall immediately indicate when the atmospheric conditions within the space fall outside of the air quality limits established in § 152.02(B)(2) of this chapter for oxygen, hydrogen sulfide and combustible gas/vapor.
(B) Use of the testing device(s) shall be conducted in accordance with the test equipment’s manufacturer’s instructions and standard industry practice.
(C) Calibration of the testing device(s) shall be in accordance with the manufacturer’s instructions; the testing device(s) shall be field-tested each day prior to use.
(Ord. passed - -)