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VDI 3496 Blatt 1:1982-04 (R2018) Gaseous emission measurement; determination of basic nitrogen compounds seizable by absorption in sulphuric acid
VDI 2454 Blatt 1:1982-03 (R2018) Gaseous air pollution measurement; measurement of hydrogen sulphide concentration; molybdenum blue sorption method
VDI 2454 Blatt 2:1982-03 (R2018) Gaseous air pollution measurement; measurement of hydrogen sulphide concentration; methylene blue Impinger method
VDI 2222 Blatt 2:1982-02 Design engineering methodics; setting up and use of design catalogues
VDI/VDE 2640 Blatt 2:1981-11 (R1999) Measurement of water flow in closed conduits; velocity-area method
VDI 3781 Blatt 2:1981-08 (R2016) Dispersion of pollutants in the atmosphere; stack heights with regard to rugged terrain
VDI 3795 Blatt 2:1981-04 (R2016) Determination of air pollution components in biological material; determination of fluorides in biological material and IRMA-solutions; electrometric analysis
VDI/VDE 3546 Blatt 2:1981-03 (R2001) Design of process control rooms; design of construction
VDI 3734 Blatt 1:1981-02 Characteristic noise emission values of technical sound sources; air coolers
VDI 3742 Blatt 1:1981-02 Character noise emission values of technical sound sources; cutting machine tools; lathers
VDI 3742 Blatt 2:1981-02 Characteristic noise emission values of technical sound sources; cutting machine tools; milling machines
VDI 2690 Blatt 3:1981-01 Material- and data-flow in automated high-bay warehouses; possibilities of automation