Cement May Contain Hazardous Substances Including Osha

And therefore may contain trace amounts of naturally occurring materials which might be detected during chemical analysis.

Cement may contain hazardous substances including osha.

Portland cement may contain up to 0 75 insoluble residue of which 0 1 may be free crystalline silica. In extreme cases these burns may need a skin graft or cause a limb to be amputated. A serious burn or ulcer can rapidly develop if it is trapped against the skin. Cement can also cause chemical burns to the eyes.

A variety of products may be used including water based degreasing agents containing detergents and in some cases lyes fatty. Maintenance and hazardous substances european agency for safety and health at work eu osha 2 degreasing may partly be carried out in confined spaces. Examples of employees who may be exposed to the dangers of wet portland cement products include bricklayers carpenters cement masons concrete finishers hod carriers 1 laborers plasterers tile setters terrazzo workers ready mixed concrete truck drivers bucket and buggy operators and those involved in pouring and finishing work. Section 2 components osha pel acgih tlv twa niosh rel hazardous substances 8 hour twa 1995 1996 8 hour twa portland cement clinker cas 65997 15 1 50 million particles ft3 10mg total dust m3 nominal 64 by weight.

Other trace constituents may include potassium and sodium sulfate compounds chromium compounds and nickel compounds. Dry portland cement contacting wet skin or exposure to moist or wet portland cement may cause more severe skin effects including thickening cracking or fissuring of the skin. Wet cement is highly alkaline in nature. Portland cement is made from materials mined from the earth and is processed using energy provided by fuels.