VDI 4221 Blatt 1-2014
Quality assurance - Requirements on interlaboratory tests in immission control - Requirements on providers of interlaboratory tests
Qualitaetssicherung - Anforderungen an Ringversuche im Bereich des Immissionsschutzes - Anforderungen an Anbieter von Ringversuchen
VDI 4221 Blatt 1-2014相似标准
VDI 4221 BLATT 4-2019 Quality assurance - Requirements on interlaboratory tests in immission control - Design@ performance and evaluation of interlaboratory tests for olfactometry under laboratory conditions
VDI 4221 BLATT 2-2015 Quality assurance - Requirements on interlaboratory tests in immission control - Design@ performance and evaluation of interlaboratory tests for emission measurement methods under laboratory conditions
VDI 4221 BLATT 3-2016 Quality assurance - Requirements on interlaboratory tests in immission control - Design@ performance and evaluation of interlaboratory tests for ambient air quality measurement methods at test gas distribution
VDI 4220 BLATT 2-2016 Quality assurance - Requirements on bodies for the determination of air pollutants at stationary sources and in ambient air - Requirements on measurement reports
VDI 4220 BLATT 2-2018 Quality assurance -Requirements on bodies for the determination of air pollutants at stationary sources and in ambient air - Requirements on measurement reports