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<br />Memo to Erica Crosby. File No. M-90-57 2 October 18, 2001 <br />D~osal Considerations: Whatever cannot be saved for recovery or recycling should be managed in an <br />appropriate and approved waste disposal facility. Processing, use or contamination of this product may <br />change [he waste management options. State and local disposal regulations may differ from federal <br />disposal regulations. Dispose of container and unused contents in accordance with federal, state and <br />local requirements. <br />Environmental Toxicity: Aquatic Toxicity Daphnia LC50 at = In excess of 320 ug/liter. Spills and Leaks <br />Comply with Federal, State and local regulations on reporting spills. Do not wash away the powder. <br />Recover dry if possible. If product is in a confined solution, pump it into a chemical waste container. Do <br />not reuse container. Dispose of powder or solutions and container in accordance with Federal, State and <br />local regulations. Environmental Effects Toxic to fish and plants are possible. <br />Hydrated lime; calcium hydrate; slaked lime <br />DANGER! HARMFUL IF SWALLOWED OR INHALED. CAUSES BURNS TO SKIN AND EYES. <br />CAUSES SEVERE IRRITATION TO RESPIRATORY TRACT. <br />Health Rating: 1 -Slight <br />Flammability Rating: 0 -None <br />Reactivity Rating: 1 -Slight <br />Contact Rating: 2 -Moderate <br />Storage Considerations: Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect <br />against physical damage. Isolate from incompatible substances. Containers of this material may be <br />hazardous when empty since [hey retain product residues (dust, solids); observe all warnings and <br />precautions listed for the product. <br />Disposal Considerations: Whatever cannot be saved for recovery or recycling should be managed in an <br />appropriate and approved waste facility. Although not a listed RCRA hazardous waste, this material <br />may exhibit one or more characteristics of a hazardous waste and require appropriate analysis to <br />determine specific disposal requirements. Processing, use or contamination of this product may change <br />the waste management options. State and local disposal regulations may differ from federal disposal <br />regulations. Dispose of container and unused contents in accordance with federal, state and local <br />requirements. <br />Soda Ash Dense <br />Health Rating: 1 -Slight <br />Flammability Rating: 0 -None <br />Reactivity Rating: 1 -Slight <br />Contact Rating: 2 -Moderate <br />