Webex assignment Finde gasfrom theLiM ist thatyadep ong rtant. Give its name, TL

Question

Webex assignment Finde gasfrom theLiM ist thatyadep ong rtant. Give its name, TLV, any notations and TLV basis Find a solvent from the TLV list that has a low TLV and a skin notation. Explain why this is a concern for an industrial hygienist. 2. 3. Find an organic solvent from the TLV list that also has a BE Explain what the BEl is including the determinant, when it should be collected or measured and the level that indicates potential exposure at the TLV or where adverse effects may begin to occur.

Explanation / Answer

Nitrogen dioxide is a deep lung irritant. That is, this gas is not very soluble in water and thus is capable of penetrating deeply into the lung where it undergoes hydrolysis to other materials (acids) that are the actual irritants. Its TLV is 25 ppm.

Trichloroethylene (TCE) has skin notation. Potential significant contribution of overall exposure by cutaneous route, including mucous membranes and eyes, from airborne exposure to gases, vapor, or liquid OR by direct skin contact • Dermal application studies show significant absorption or systemic effects • Acute animal toxicity studies show low dermal LD50 (<1000 mg/kg)

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