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BIOLOGICAL, CHEMICAL AND PHYSICAL HAZARDS
Biological |
Pathogenic
bacteria, e.g. Escherichi coli, Salmonella spp., usually associated
with faecal contamination from warm-blooded animals, or others, e.g.
Listeria monocytogenes, commonly found in contaminated soil, water
and ruminants |
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Naturally
occurring plant toxins, e.g. alkaloids, cyanogen glycosides |
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Fungal,
e.g. ergot, mycotoxins |
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Parasites,
e.g. Cyclospora, Entamoeba, Giardia, Cryptosporidium |
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Viruses,
e.g. hepatitis A, Norwalk virus, Rotavirus |
Chemical |
Pesticide,
insecticide and fungicide residues (international food law includes
maximum residue levels for named compounds to be used on specific
fruit and vegetables) |
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Heavy
metals, e.g. zinc, lead, aluminium |
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Mineral
oils, e.g. diesel, grease, hydraulic oil |
Physical |
Glass,
metal, stones |
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Wood
and twigs |
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Pieces
of bone and plastic |
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