Cement May Contain Hazardous Substances Including Osha

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.

Cement may contain hazardous substances including osha.

Cement and cement based products can harm the skin in a number of ways. It may however contain trace amounts of substances. Maintenance and hazardous substances european agency for safety and health at work eu osha 2 degreasing may partly be carried out in confined spaces. 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.

Portland cement is made from materials mined from the earth and is processed using energy provided by fuels. Wet cement is highly alkaline in nature. Other trace constituents may include potassium and sodium sulfate compounds chromium compounds and nickel compounds. Portland cement is a hazardous substance subject to statutes promulgated under the subject act.

And therefore may contain trace amounts of naturally occurring materials which might be detected during chemical analysis. A variety of products may be used including water based degreasing agents containing detergents and in some cases lyes fatty. A serious burn or ulcer can rapidly develop if it is trapped against the skin. Portland cement may contain up to 0 75 insoluble residue of which 0 1 may be free crystalline silica.