Indoor air. Part 13. Determination of total polychlorinated dioxin-like biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDDs/PCDFs) (gas and particle phase). Collection on sorbent backed filters
Cable trunking systems and cable ducting systems for electrical installations. Part 2-3. Particular requirements for slotted cable trunking systems intended for installation in cabinets