1. State Standard GOST 8.587-2006, GSI. Mass of Petroleum and Petroleum Products. General Requirements and Methods of Making Measurements.
2. RMG 81-2006, GSI. Metrological Backup of the Metering of Petroleum when It Is Being Transported Along a System of Main Petroleum Pipelines. Basic Conditions.
3. State Standard GOST 8.477-82, GSI. The State Checking Scheme for Hot-Water Supply Systems. General Technical Conditions.
4. State Standard GOST 51649-2000, Heat Meters for Hot-Water Supply Systems. General Technical Conditions. 5. State Standard GOST 8.1245-75, GSI. The State Primary Standard and All-Union Checking Scheme for Instruments for Measuring the Volume Flow Rate of a Liquid in the Range from 3·10 –6 to 10 m 3 /sec.