Water quality — Detection and enumeration of coliform organisms,
thermotolerant coliform organisms and presumptive Escherichia coli —
Part 1: Membrane filtration method
Acoustics — Determination of sound power levels of noise sources using
sound pressure — Engineering methods for small, movable sources in
reverberant fields — Part 2: Methods for special reverberation test rooms
Submerged arc-welded steel tubes for pressure purposes — Ultrasonic
testing of the weld seam for the detection of longitudinal and/or
transverse imperfections
Lubricants, industrial oils and related products (class L) — Family H
(Hydraulic systems) — Specifications for categories HFAE, HFAS, HFB,
HFC, HFDR and HFDU — Technical Corrigendum 1