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Methods and materials for <br />Should not be released into the environment. <br />containment and cleaning up <br />Large Spills: Dike far ahead of liquid spill for later disposal. Use a non-combustible material like <br />vermiculite, sand or earth to soak up the product and place into a container for later disposal. <br />Small Spills: Absorb spill with vermiculite or other inert material. Clean contaminated surface <br />thoroughly. After removal flush contaminated area thoroughly with water. <br />Never return spills in original containers for re -use. <br />Environmental precautions <br />Prevent further leakage or spillage if safe to do so. Do not contaminate water <br />7. Handling and storage <br />Precautions for safe handling <br />Handle and open container with care. Use only with adequate ventilation. Avoid contact with skin, <br />eyes and clothing. Avoid breathing mist or vapor Wash thoroughly after handling. Observe good <br />industrial hygiene practices. <br />Conditions for safe storage, <br />Keep in a well -ventilated place. Keep containers tightly closed in a dry, cool and well -ventilated <br />including any incompatibilities <br />place. Keep this material away from food, drink and animal feed. Use care in handling/storage. <br />Transfer and storage systems should be compatible and corrosion resistant. <br />8. Exposure controls/personal protection <br />Occupational exposure limits <br />US. OSHA Table Z-1 Limits for Air Contaminants (29 CFR 1910.1000) <br />Components Type Value <br />Hydrofluorosilicic acid (CAS PEL 2.5 mg/m3 <br />16961-83-4) <br />US. OSHA Table Z-2 (29 CFR 1910.1000) <br />Components Type Value Form <br />Hydrofluorosilicic acid (CAS TWA 2.5 mg/m3 Dust. <br />16961-83-4) <br />US. ACGIH Threshold Limit Values <br />Components Type Value <br />Hydrofluorosilicic acid (CAS TWA 2.5 mg/m3 <br />16961-83-4) <br />US. NIOSH: Pocket Guide to Chemical Hazards <br />Components Type Value <br />Hydrofluorosilicic acid (CAS TWA 2.5 mg/m3 <br />16961-83-4) <br />Biological limit values <br />ACGIH Biological Exposure Indices <br />Components Value Determinant Specimen Sampling Time <br />Hydrofluorosilicic acid (CAS 3 mg/I Fluoride Urine <br />16961-83-4) <br />2 mg/1 Fluoride Urine <br />* - For sampling details, please see the source document. <br />Appropriate engineering Provide adequate ventilation. Observe Occupational Exposure Limits and minimize the risk of <br />controls inhalation of vapors. Eye wash facilities and emergency shower must be available when handling <br />this product. <br />Individual protection measures, such as personal protective equipment <br />Eye/face protection Wear approved safety glasses or goggles. <br />Skin protection <br />Hand protection Wear protective gloves. Be aware that the liquid may penetrate the gloves. Frequent change is <br />advisable. Suitable gloves can be recommended by the glove supplier. <br />Other Wear appropriate chemical resistant clothing. Protective shoes or boots. Structural firefighters <br />protective clothing provides limited protection in fire situations ONLY; it is not effective in spill <br />situations. Wear chemical protective equipment that is specifically recommended by the Personal <br />Protective Equipment manufacturer. <br />Hydrofluosilicic acid SIDS US <br />920631v Version #: 01 Revision date: 5/20/20 Issue date: 28-January-2015 3/8 <br />