Plastics — Polymer polyols for use in the production of polyurethanes —
Determination of the residual acrylonitrile and styrene monomer content
by gas chromatography
Microbiology of the food chain — Detection and enumeration of
Cryptosporidium and Giardia in fresh leafy green vegetables and berry
fruits — Amendment 1: Method validation studies and performance characteristics
Pigments and extenders — Dispersion procedure for sedimentation-based
particle sizing of suspended pigment or extender with liquid
sedimentation methods