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What is Contamination?

Humans also release elemental chemicals that can cause contamination:

* Spittle (saliva): potassium, chloride, phosphorus, magnesium, and sodium

* Dandruff: calcium, chloride, carbon, and nitrogen

* Perspiration: sodium, potassium, chloride, sulfur, aluminum, carbon, and nitrogen

* Fingerprints: sodium, potassium, chloride, and phosphorus

Consequently, a critical component of cleanroom management is strict adherence to protocol. Cosmetics are prohibited because in addition to their gross particle generation, cosmetics release iron, aluminum, silicone, carbon, titanium, magnesium, potassium, sulfur, and calcium.

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