Leaded Gasoline

1. Uses

1.1. Improve mechanism in motor cars

1.1.1. reduce engine knocking

1.1.2. increase ability to compress engine

1.1.3. cheap

1.1.4. greater power

2. Discovery

2.1. 1916

2.1.1. anti-knock research start

2.2. 1920

2.2.1. Lead became common component of galsoline

2.3. 1922

2.3.1. Studies for determinin lead toxicity; no important findings were done

2.3.2. Government aware of the dangers

2.4. 1970

2.4.1. Leaded Gasoline is banned

2.5. 1980

2.5.1. Free lead gasoline in order to use platinum-based catalytic converter

3. Danger

3.1. Health Issues: lead in blood

3.1.1. Anemia

3.1.2. Damage immune system

3.1.3. Kidney Problems

3.1.4. Weakness

3.1.5. Affect vitamin D metabolism

3.1.6. miscarriages

3.1.7. Low birth weight

3.2. Environmental Impact

3.2.1. Soil can retain lead passing it to plants

3.2.2. Plants reduce photosynthesis rate

3.2.3. Animals: inhibits ability to produce red blood cells