Soil quality. Determination of polychlorinated biphenyls (PCB) by gas chromatography with mass selective detection (GC-MS) and gas chromatography with electron-capture detection (GC-ECD) Ingestion-build-134498 BS 8431 applies to meters

BS 8431 applies to meters that measure active energy

- asynchronous motors fed by current source converters

transport and travel information is frequently being provided now via interfaces onto open networks for use by external users and it may not always be known from where this data has originated or for what purposes it is suitable

measurement of electrical and photometrical characteristics and tests for lumen maintenance and life

Soil quality. Determination of polychlorinated biphenyls (PCB) by gas chromatography with mass selective detection (GC-MS) and gas chromatography with electron-capture detection (GC-ECD) Ingestion-build-134498 BS 8431 applies to meters