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OENORM EN ISO 18635
Water quality - Determination of short-chain polychlorinated alkanes (SCCPs) in sediment, sewage sludge and suspended (particulate) matter - Method using gas chromatography-mass spectrometry (GC-MS) and electron capture negative ionization (ECNI) (ISO 18635:2016)
Edition
2016-10-01
OENORM EN ISO 22032
Water quality - Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge - Method using extraction and gas chromatography/mass spectrometry (ISO 22032:2006)
Edition
2009-06-01
OENORM EN 12255-1
Wastewater treatment plants - Part 1: General construction principles
Edition
2023-08-15
OENORM EN 12255-1
Wastewater treatment plants - Part 1: General construction principles
Edition
2002-08-01
OENORM EN 12255-2
Wastewater treatment plants - Part 2: Storm water management systems
Edition
2024-07-15
OENORM EN 12255-3
Wastewater treatment plants - Part 3: Preliminary treatment
Edition
2024-08-01
OENORM EN 12255-4
Wastewater treatment plants - Part 4: Primary treatment
Edition
2024-01-15
OENORM EN 12255-5
Wastewater treatment plants - Part 5: Lagooning processes
Edition
2022-03-15
OENORM EN 12255-5
Wastewater treatment plants - Part 5: Lagooning processes
Edition
2000-03-01
OENORM EN 12255-6
Wastewater treatment plants - Part 6: Activated sludge process
Edition
2024-02-01