DIN EN ISO/IEC 17025:2000 General requirements for the competence of testing and calibration laboratories
DIN V ENV 13005:1999 Guide to the expression of uncertainty in measurement; German version ENV 13005:1999
VDI 2449 Blatt 1-1995 Measurement methods test criteria - Determination of performance characteristics for the measurement of gaseous pollutants (immission)
VDI 2462 Blatt 8-1985 Measurement of gaseous emissions; measurement of the sulfur-dioxide concentration; H2O2-thorin method
2001VDI 2449 Blatt 3-2001 Measurement methods test criteria - General method for the determination of the uncertainty of calibratable measurement methods
1999VDI 2449 Blatt 3-1999 Pruefkriterien von Messverfahren - Allgemeine Methode zur Ermittlung der Unsicherheit kalibrierfaehiger Messverfahren