The best available techniques. Methodological recommendations on the procedure for assessing the conformity of technological processes, equipment, technical methods, methods used at an object that has a negative impact on the environment, with the best available techniques when considering an application for an integrated environmental permit
State system for ensuring the uniformity of measurements. Ultrasonic medical physiotherapy equipment. General requirements to measurement methods of acoustic output in the frequency range 0,5 MHz to 5,0 MHz
