Air quality. Determination of gas- and particle-phase polycyclic aromatic hydrocarbons in ambient air. Collection on sorbent-backed filters with gas chromatographic/mass spectrometric analysis Ingestion-build-177197 The trained personnel shall be

The trained personnel shall be able to prove they have undergone training and qualification in digital industrial radiography or radioscopy as described in ISO 15708‑4

This standard does not necessarily apply to equipment that combines protection and control functions in the same device sharing a single communication port

pedestrian actions and rail traffic which include

maintaining and reviewing BCM arrangements

Air quality. Determination of gas- and particle-phase polycyclic aromatic hydrocarbons in ambient air. Collection on sorbent-backed filters with gas chromatographic/mass spectrometric analysis Ingestion-build-177197 The trained personnel shall be