State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Verification of measurement procedure
Microbiology of food and feeding stuffs. Preparation of samples for testing, original suspension and tenfold dilutions for microbiological research. Part 1. General rules for preparing the initial suspension and tenfold dilutions
Emissions of the polluting substances in the atmosphere. Method for calculating the concentrations of suspended particles PM2.5 and PM10 in industrial emissions based on the fractional composition of dust
