BS ISO 13914-2013 Soil quality — Determination of dioxins and furans and dioxin-like polychlorinated biphenyls by gas chromatography with highresolution mass selective detection (GC/HRMS)

BS ISO 13913-2014 Soil quality — Determination of selected phthalates using capillary gas chromatography with mass spectrometric detection (GC/MS) BS ISO 13909-8-2016 Hard coal and coke - Mechanical sampling - Part 8: Methods of testing for bias BS ISO 13909-7-2016 Hard coal and coke - Mechanical sampling - Part 7: Methods for determining the precision of sampling, sample preparation and testing BS ISO 13921-2008 Aerospace - Screws, 100 degrees reduced countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to BS ISO 13926-1-2018 Pen systems Part 1: Glass cylinders for pen-injectors for medical use BS ISO 13926-2-2017 Pen systems Part 2: Plunger stoppers for pen-injectors for medical use