The best available techniques. Guidelines for the submission of information on current emission levels and resource consumption in the information and technical reference book on the best available techniques
State system for ensuring the uniformity of measurements. State verification schedule for variable pressure measuring instruments in the range from 1·10 2 to 2,5·10 7 Pa for frequencies from 5·10 -1 to 1·10 4 Hz and durations from 1·10 -5 to 10 s under constant pressure up 5·10 6 Pa
