Methods for the Determination of Hazardous Substances (MDHS) guidance
The following guidance is also available in hard copy from HSE Books.
- MDHS guidance 3-25/3
- MDHS guidance 27-48
- MDHS guidance 52/3-75
- MDHS guidance 76-100
- MDHS guidance 101-125
MDHS guidance 3-25/3
- MDHS14/4 General methods for sampling and gravimetric analysis of respirable, thoracic and inhalable aerosols
- MDHS25/4 Organic isocyanates in air: Laboratory method with derivatisation in situ either on treated glass fibre filters or in solution using impingers with a treated back up filter in series, followed by high-performance liquid chromatography analysis
MDHS guidance 27-48
MDHS guidance 52/3-75
- MDHS52/4 Hexavalent chromium in chromium plating mists Colorimetric field method using 1,5-diphenylcarbazide and spectrophotometry or colour comparator
- MDHS53/2 1,3-Butadiene in air. Laboratory method using pumped samplers, thermal desorption and gas chromatography
- MDHS56/3 Hydrogen cyanide in air Laboratory method using ion-selective electrode
- MDHS57/2 Acrylamide in air Laboratory method using an impinger and analysis by high performance liquid chromatography
- MDHS59/2 Machine-made fibres: Airborne number concentration and classification by phase contrast light microscopy
- MDHS62/2 Aromatic carboxylic acid anhydrides in air
- MDHS63/2 - 1,3-Butadiene in air - Laboratory method using diffusive samplers, thermal desorption and gas chromatography
- MDHS72 Volatile organic compounds in air Laboratory method using pumped solid sorbent tubes, thermal desorption and gas chromatography
- MDHS75/2 Aromatic amines in air and on surfaces: Laboratory method using pumped acid coated filters, moistened swabs and HPLC
MDHS guidance 76-100
- MDHS79/2 Peroxodisulphate salts in air
- MDHS 80 Volatile organic compounds in air. Laboratory method using diffusive solid sorbent tubes, thermal desorption and gas chromatography
- MDHS 82/2 The dust lamp. A simple tool for observing the presence of airborne particles
- MDHS 83/3 Resin acids in rosin (colophony) solder flux fume: Laboratory method using gas chromatography
- MDHS 84/2 Measurement of oil mist from mineral oil-based metalworking fluids
- MDHS 85/2 Triglycidyl isocyanurate (and coating powders containing triglycidyl isocyanurate) in air: Laboratory method using sample collection on filters, liquid desorption and liquid chromatography
- MDHS 86/2 Hydrazine in air
- MDHS 87 Fibres in air. Guidance on the discrimination between fibre types in samples of airborne
- MDHS 88 Volatile organic compounds in air. Laboratory method using diffusive samplers, solvent desorption and gas chromatography
- MDHS 89 Dimethyl sulphate and diethyl sulphate in air. Laboratory method using thermal desorption, gas chromatography-mass spectrometry
- MDHS 91/2 Metals and metalloids in workplace air by X-ray fluorescence spectrometry
- MDHS 92/2 Azodicarbonamide in air
- MDHS 94/2 Pesticides in air and on surfaces: Method for sampling and analysis of pesticides in air using pumped filters and sorbent tubes in series and on dermal surrogates using cotton pads and clothing. Analysis by gas chromatography on filters, liquid desorption and liquid chromatography
- MDHS 95/3 Measurement of personal exposure of metalworking machine operators to airborne water-mix metalworking fluid
- MDHS 96 Volatile organic compounds in air - Laboratory method using pumped solid sorbent tubes, solvent desorption and gas chromatography
- MDHS 98/3 Hydroquinone in air
MDHS guidance 101-125
- MDHS101/2 - Crystalline silica in respirable airborne dusts
- MDHS102 - Aldehydes in air - Laboratory method using high performance liquid chromatography
- MDHS104 - Volatile organic compounds in air