Microbiology of food and animal feeding stuffs — Horizontal method for
the detection and enumeration of presumptive Escherichia coli — Most
probable number technique — Amendment 1: Inclusion of performance
testing of culture media and reagents
Water quality — Determination of polycyclic aromatic hydrocarbons (PAH)
— Part 1: Determination of six PAH by high-performance thin-layer
chromatography with fluorescence detection after liquid-liquid extraction