- a) an HC hang-up check conducted prior to each test and after the last test of the day; HC hang-up shall not exceed 20 ppm HC prior to any test;
- b) visual inspection of all equipment prior to the first test of the day;
- c) performance of analyzer preventative maintenance (e.g., filter replacement, inspection and cleaning of probes, sample lines, water traps, etc.) according to manufacturer's recommended schedules and as needed; and
- d) all calibration and operating procedures specified in Section 276.602.
All operators of exhaust gas analyzers shall conduct a preventive maintenance and quality control program consisting of the following elements:
(Source: Amended at 22 Ill. Reg. 18867, effective September 28, 1998)