NS 4790-7:1989 PDF

Published Date: 06/01/1992

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — Part 1: General equipment, choice of technique, storing of data

Published Date: 02/01/1989

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — Pour plate technique

Published Date: 02/01/1989

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — MPN-technique

Published Date: 02/01/1989

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — Preparation and storage of culture media, preparation of general solutions

Published Date: 02/01/1989

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — Dilution and special treatment of laboratory samples

Published Date: 02/01/1989

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — General equipment, choice of technique, storing of data

Published Date: 02/01/1989

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediments and sewage sludge — Spread plate technique

Published Date: 02/01/1989

Water analysis — Techniques for quantitative estimation of microorganisms from water, sediment and sewage sludge — Membrane filter technique

Published Date: 01/28/2009

Railway applications — Fire protection on railway vehicles — Part 5: Fire safety requirements for electrical equipment including that of trolley buses, track guided buses and magnetic levitation vehicles