Plastics piping systems - Elastomeric-sealing-ring-type socket joints for use with unplasticized poly(vinyl chloride) (PVC-U) pipes - Test method for leaktightness under internal pressure and with angular deflection— 8 стр.
Uncertainty of measurement -- Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) -- Supplement 1: Propagation of distributions using a Monte Carlo method -- Technical Corrigendum 1— 2 стр.
Water quality. Glossary, Additional terms relating to types of water, and treatment and storage of water and waste water, and terms used in sampling and analysis of water— 34 стр.