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Health and Safety Executive

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

MDHS3 Generation of test atmospheres of organic vapours by the syringe injection technique Portable apparatus for laboratory and field use
MDHS4 Generation of test atmospheres of organic vapours by the permeation tube method Apparatus for laboratory use
MDHS6/3 Lead and inorganic compounds of lead in air Laboratory method using flame or electrothermal atomic absorption spectrometry
MDHS10/2 Cadmium and inorganic compounds of cadmium in air Laboratory method using flame atomic absorption spectrometry or electrothermal atomic absorption spectrometry
MDHS12/2 Chromium and inorganic compounds of chromium in air Laboratory method using flame atomic absorption spectrometry
MDHS14/3 General methods for sampling and gravimetric analysis of respirable and inhalable dust
MDHS16/2 Mercury and its inorganic divalent compounds in air Laboratory method using Hydrar diffusive badges or pumped sorbent tubes, acid dissolution and analysis by cold vapour atomic absorption spectrometry or cold vapour atomic flourescence spectrometry
MDHS25/3 Organic isocyanates in air Laboratory method using sampling either onto 1-(2-methoxyphenyl) piperazine coated glass fibre filters followed by solvent desorption or into impingers and analysis using high performance liquid chromatography

MDHS guidance 27-48

MDHS guidance 52/3-75

MDHS guidance 76-100

MDHS guidance 101-125

List of all MDHS publications and their current status

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