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Beer : Health and Nutrition

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58 Chapter Three<br />

Table 3.4 (Continued.)<br />

Inorganic chemicals (continued)<br />

Chromium (total) 0.1 0.1 Allergic dermatitis Discharge from steel <strong>and</strong> pulp mills; erosion of natural<br />

deposits<br />

Copper 1.3 TT8 ; action Short-term exposure: gastrointestinal distress. Long-term Corrosion of household plumbing systems; erosion of<br />

level=1.3 exposure: liver or kidney damage. People with Wilson’s natural deposits<br />

disease should consult their personal doctor if the amount of<br />

copper in their water exceeds the action level<br />

Cyanide (as free 0.2 0.2 Nerve damage or thyroid problems Discharge from steel/metal factories; discharge from<br />

cyanide)<br />

plastic <strong>and</strong> fertiliser factories<br />

Fluoride 4.0 4.0 Bone disease (pain <strong>and</strong> tenderness of the bones); children Water additive which promotes strong teeth; erosion of<br />

may get mottled teeth<br />

natural deposits; discharge from fertiliser <strong>and</strong> aluminium<br />

factories<br />

Lead zero TT8 MCLG<br />

Contaminant<br />

; action Infants <strong>and</strong> children: delays in physical or mental<br />

Corrosion of household plumbing systems; erosion of<br />

level=0.015 development; children could show slight de cits in attention natural deposits<br />

span <strong>and</strong> learning abilities. Adults: kidney problems; high<br />

blood pressure<br />

Mercury<br />

0.002 0.002 Kidney damage Erosion of natural deposits; discharge from re neries <strong>and</strong><br />

(inorganic)<br />

factories; runoff from l<strong>and</strong> lls <strong>and</strong> cropl<strong>and</strong>s<br />

Nitrate (measured 10 10 Infants below the age of 6 months who drink water Runoff from fertiliser use; leaching from septic tanks,<br />

as nitrogen)<br />

containing nitrate in excess of the MCL could become sewage; erosion of natural deposits<br />

seriously ill <strong>and</strong>, if untreated, may die. Symptoms include<br />

shortness of breath <strong>and</strong> blue-baby syndrome<br />

Nitrite (measured 1 1 Infants below the age of 6 months who drink water Runoff from fertiliser use; leaching from septic tanks,<br />

as nitrogen)<br />

containing nitrite in excess of the MCL could become sewage; erosion of natural deposits<br />

seriously ill <strong>and</strong>, if untreated, may die. Symptoms include<br />

shortness of breath <strong>and</strong> blue-baby syndrome<br />

Selenium 0.05 0.05 Hair or ngernail loss; numbness in ngers or toes; Discharge from petroleum re neries; erosion of natural<br />

circulatory problems<br />

deposits; discharge from mines<br />

Thallium 0.0005 0.002 Hair loss; changes in blood; kidney, intestine, or liver Leaching from ore-processing sites; discharge from<br />

problems<br />

electronics, glass, <strong>and</strong> drug factories<br />

1<br />

(mg/L) 2<br />

MCL or TT1 (mg/L) 2 Potential health effects from ingestion of water Sources of contaminant in drinking water

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