ENVIRONMENTAL HEALTH CRITERIA FOR ARSENIC AND ARSENIC

2,44
MB COMPOUNDS

248
stron

3685
ID World Health Organization

2006
rok

CONTENTS

PREAMBLE

ABBREVIATIONS

1. SUMMARY

1.1 Properties and analytical procedures

1.2 Sources and occurrence of arsenic in the environment

1.3 Environmental transport and distribution

1.4 Environmental levels and human exposure

1.5 Kinetics and metabolism

1.6 Effects on laboratory animals and in vitro systems

1.7 Effects on human health

1.8 Effects on other organisms in the environment

2. PROPERTIES AND ANALYTICAL PROCEDURES

2.1 Identity

2.2 Chemical and physical properties of arsenic compounds

2.3 Analytical procedures

2.4 Sample preparation and treatment

2.4.1 Sampling and collection

2.4.2 Oxidative digestion

2.4.3 Extraction

2.4.4 Supercritical fluid extraction

2.5 Macro-measurement

2.6 Colorimetric methods

2.7 Methods for total inorganic arsenic

2.8 Atomic spectrometry

2.9 ICP methodologies

2.10 Voltammetry

2.11 Radiochemical methods

2.12 X-ray spectroscopy

2.13 Hyphenated techniques

3. SOURCES AND OCCURRENCE OF ARSENIC IN THE ENVIRONMENT

3.1 Natural sources

3.2 Sources of environmental pollution

3.2.1 Industry

3.2.2 Past agricultural use

3.2.3 Sewage sludge

3.3 Uses

4. ENVIRONMENTAL TRANSPORT AND DISTRIBUTION

4.1 Transport and distribution between media

4.1.1 Air

4.1.2 Freshwater and sediment

4.1.3 Estuarine and marine water and sediment

4.1.4 Soil

4.2 Biotransformation

4.2.1 Oxidation and reduction

4.2.2 Methylation

4.2.3 Degradation

4.2.3.1 Abiotic degradation

4.2.3.2 Biodegradation

4.2.4 Bioaccumulation

4.2.4.1 Microorganisms

4.2.4.2 Macroalgae

4.2.4.3 Aquatic invertebrates

4.2.4.4 Fish

4.2.4.5 Terrestrial plants

4.2.4.6 Terrestrial invertebrates

4.2.4.7 Birds

5. ENVIRONMENTAL LEVELS AND HUMAN EXPOSURE

5.1 Environmental levels

5.1.1 Air

5.1.2 Precipitation

5.1.3 Surface water

5.1.4 Groundwater

5.1.5 Sediment

5.1.6 Sewage sludge

5.1.7 Soil

5.1.8 Biota

5.1.8.1 Freshwater

5.1.8.2 Marine

5.1.8.3 Terrestrial

5.2 General population exposure

5.2.1 Air

5.2.2 Food and beverages

5.2.3 Drinking-water

5.2.4 Soil

5.2.5 Miscellaneous exposures

5.3 Occupational exposures

5.4 Total human intake of arsenic from all environmental pathways

6. KINETICS AND METABOLISM IN LABORATORY ANIMALS AND HUMANS

6.1 Inorganic arsenic

6.1.1 Absorption

6.1.1.1 Respiratory deposition and absorption

6.1.1.2 Gastrointestinal absorption

6.1.1.3 Dermal absorption

6.1.1.4 Placental transfer

6.1.2 Distribution

6.1.2.1 Fate of inorganic arsenic in blood

6.1.2.2 Tissue distribution

6.1.3 Metabolic transformation

6.1.3.1 Animal studies

6.1.3.2 Human studies

6.1.4 Elimination and excretion

6.1.4.1 Animal studies

6.1.4.2 Human studies

6.1.5 Retention and turnover

6.1.5.1 Animal studies

6.1.5.2 Human studies

6.1.6 Reaction with body components

6.2 Organic arsenic compounds

6.2.1 Absorption

6.2.1.1 Respiratory deposition and absorption

6.2.1.2 Gastrointestinal absorption

6.2.1.3 Dermal absorption

6.2.1.4 Placental transfer

6.2.2 Distribution

6.2.2.1 Fate of organic arsenic in blood

6.2.2.2 Tissue distribution

6.2.3 Metabolic transformation

6.2.3.1 Animal studies

6.2.3.2 Human studies

6.2.4 Elimination and excretion

6.2.4.1 Animal studies

6.2.4.2 Human studies

6.2.5 Retention and turnover

6.3 Biomarkers of arsenic exposure

6.3.1 Arsenic in hair and nails

6.3.2 Blood arsenic

6.3.3 Arsenic and metabolites in urine

7. EFFECTS ON LABORATORY MAMMALS AND IN VITRO TEST SYSTEMS

7.1 Inorganic arsenic

7.1.1 Single exposure

7.1.1.1 Acute toxicity data

7.1.2 Short-term exposure

7.1.2.1 Oral

7.1.2.2 Inhalation

7.1.2.3 Dermal

7.1.2.4 Parenteral

7.1.3 Long-term exposure

7.1.3.1 Oral

7.1.3.2 Inhalation

7.1.3.3 Dermal

7.1.4 Skin and eye irritation; sensitization

7.1.4.1 Contact sensitivity

7.1.5 Reproductive toxicity, embryotoxicity, and teratogenicity

7.1.5.1 In vivo embryo and fetal toxicity

7.1.5.2 In vitro embryo and fetal toxicity

7.1.5.3 Teratogenicity

7.1.5.4 Gene expression

7.1.5.5 Induction of heat shock proteins

7.1.5.6 Male reproductive toxicity

7.1.6 Genotoxicity and related end-points

7.1.6.1 Bacteria

7.1.6.2 Mammalian cells

7.1.6.3 Human cells

7.1.6.4 In vivo genotoxicity

7.1.6.5 Mechanism of genotoxicity