Beer : Health and Nutrition
Beer : Health and Nutrition
Beer : Health and Nutrition
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
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