(1) The tester must:

(a) Calibrate and maintain all test equipment according to the manufacturer's specifications and recommendations.

(b) Maintain logs approved by ecology of maintenance, repair, and calibration of testing equipment.

(c) Use, for exhaust gas analyzer calibration, the procedures in the following document: (I) Steady-State Test Equipment of Appendix A-Calibrations, Adjustments and Quality Control of Subpart S-Inspection/Maintenance Program Requirements of Part 51 of chapter 1, Title 40 of the Code of Federal Regulations adopted November 1, 1992.

(2) Ecology may require additional maintenance and calibration procedures if they are needed to ensure the accuracy of the testing equipment.