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fie} Pulmonary Da,m,age Agents . Chemicals which irritate ar <br />damage the lungs. Examples: Asbestos, silica. <br />~f~ Re roductive Toxins. Chemicals which affect the repro- <br />ductive capabilities, by: <br />~i} damaging reproductive organs. Examples: Glycidyl <br />ethers, glycol ethers. <br />iii} causing chromosomal damage ~mutagens}. Example: <br />Ethidium bromide. <br />viii} having adverse effects an the developing embryo/ <br />fetus ~teratogens}. Examples: Benzene, carbon tetra- <br />chloride, chloroform, cyclohexamide, dibromochlaropropane, <br />formamide, hydroyurea, lead compounds, methatrexate, <br />organomercurial compounds, pyridine. <br />fig} Cutaneous Hazards. Chemicals which affect the dermal <br />layer skin}: Ketones, chlorinated compounds. <br />~h} Eye Hazards. Chemicals which affect the eye or visual <br />capacity: Organic solvents, acids. <br />3. Irritants. Substances other than corrosives which cause a <br />reversible inflammatory effect on living tissue by chemical action <br />at the site of contact. Examples: Diphenylaminechloroarsine, xylyl <br />bromide, chloraacetophene. <br />4. Sensitizer. Substances which cause an allergic reaction in <br />normal tissue after repeated exposure. <br />III. EVALUATION OF HAZARDS. <br />A. De ree of Hazard. The degree of hazard present depends upon many <br />variables which should be considered individually and in combination. Some <br />of these variables are: <br />I. Chemical Pro erties of the Material. Chemical praperties of <br />the material determine self-reactions and reactions which may occur with <br />other materials. Generally, materials within sub-divisions of hazard <br />categories will exhibit similar chemical properties. However, materials <br />with similar chemical properties may present very different hazards. <br />Each individual material should be researched to determine its hazardous <br />properties and then considered in relation to other materials that it <br />might contact and the surrounding environment, <br />2. Ph sical Pro erties of the Material. Physical properties, such <br />as whether a material is a solid, liquid or gas at ordinary temperatures <br />and pressures, considered along with chemical properties will determine <br />requirements for cantai nment of the material . Specific gravity ~wei ght <br />of a liquid compared to water} and vapor density weight of a gas com- <br />pared to air} are both physical praperties which are important in evalu- <br />Ordinance - 93 <br />