Brief Answer:
Please find harmful chemicals (CDC) and sources

Detailed Answer:
Hi
Thanks for writing in to us.

I have read through your query in detail
CDC has classified harmful chemicals as per the organ system affected as given below.

1. RESPIRATORY SYSTEM
Possible Contaminants Where do you find these?
Asbestos Old insulation
Radon The ground
Cadmium Old batteries
Benzene Degreasers
Carbon monoxide Car exhaust, unvented or faulty furnaces
Soot Furnaces, wood burning stoves

2. RENAL SYSTEM
Possible Contaminants Where do you find these?
Cadmium Old batteries, cigarette smoke
Lead Old paint, outdated plumbing
Mercury Thermostats, thermometers, some fish
Uranium Food & water, proximity to nuclear testing sites
Chlorinated hydrocarbon solvents Degreasers, paint removers, dry cleaning sol

3. CARDIOVASCULAR SYSTEM
Possible Contaminants Where do you find these?
Carbon monoxide Car exhaust, unvented or faulty furnaces
Carbon disulfide Industrial production
Nitrates Fertilizers
Methylene chloride Auto part cleaners, paint removers

4. REPRODUCTIVE SYSTEM
Possible Contaminants Where do you find these?
Methyl mercury Some fish, coal-burning power
Carbon monoxide Car exhaust, unvented or faulty furnaces
Lead Old paint, outdated plumbing

5. NERVOUS SYSTEM
Possible Contaminants Where do you find these?
Arsenic Pressure treated wood
Cadmium Discarded batteries
Carbon monoxide Car exhaust, unvented or faulty furnaces
Cyanide Rat poison

6. IMMUNE SYSTEM
Possible Contaminants Where do you find these?
Mercury Thermostats, thermometers, some fish
Lead Old paint, outdated plumbing
Pesticides Unwashed fruits and vegetables
Polychlorinated biphenyls (PCBs) Industrial waste, fish from contaminated water
Polycyclic aromatic hydrocarbons(PAHs) Cigarette smoke, vehicle exhaust, asphalt roads

7. SKIN
Possible Contaminants Where do you find these?
Nickel Cement
Mercury Thermostats, thermometers, some fish
Arsenic Pressure treated wood
Chromium Paints, industrial production
Polychlorinated biphenyls (PCBs) Industrial waste, fish from contaminated water
VOC (volatile organic compounds) Fumes from gasoline, paint, adhesives, building supplies

8. HEPATIC SYSTEM
Possible Contaminants Where do you find these?
Carbon tetrachloride Adhesives
Methylene chloride Auto part cleaners, paint removers
Vinyl chloride Pipe sealer

Hope this answers your question. Please feel free to correct any oversight in my interpretation of your problems and discuss them in detail as per your requirements.

Hope your query is answered.
Do write back if you have any doubts.

Regards,
Dr.Vivek

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