German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H); determination of the phenol index (H 16)
Edition 1984-06

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 23: Determination of bismut active substances (H 23)
Edition 2010-12

German Standard Methods for Examination of Water, Waste Water and Sludge; Summary Action and Material Characteristic Parameters (Group H); Determination of the Chemical Oxygen Demand (COD) in the Range over 15 mg/l (H41)
Edition 1980-12

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 46: Determination of purgeable organic carbon (POC) (H 46)
Edition 2012-12

German standard methods for the examination of water, waste water and sludge - Biological-ecological analysis of water (group M) - Part 1: Determination of the saprobic index in running waters (M 1)
Edition 2004-10

German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 3: Toxicity test for assessing the inhibition of the dehydrogenase activity of activated sludge microorganisms (TTC-Test) (L 3)
Edition 2010-10

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate)
Edition 1983-09

German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential)
Edition 1983-09

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); surfactant biodegradation and elimination test for simulation of municipal waste water treatment plants (L 26)
Edition 1994-05