tailieunhanh - Hazardous Chemicals Handbook 2 Episode 12

Tham khảo tài liệu 'hazardous chemicals handbook 2 episode 12', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | FIRST AID 429 Table Procedure to treat spillages in a laboratory Instruct others to keep a safe distance Remove contaminated clothing and wash the hands before putting on protective clothing Shut off all sources of ignition for spillage of flammable fluid do not operate electric switches in the vicinity Ventilate the area well for at least 10 min to reduce irritant vapours and biological aerosols and to evaporate remaining liquid bear in mind that ventilation may transfer the danger to other parts of the premises Areas with sealed windows should have controlled ventilation areas that cannot be adequately ventilated are unsuitable for use with hazardous materials Turn off the source of the leak and limit the spread of fluid by means of mop dusters rags sand or diversion Absorb spillage and shovel into buckets and remove to a safe place dilute greatly with running water and or dilute with dispersing agent and water as with ammonia solution ethanol methanol and formaldehyde solution Neutralize acid with soda ash chalk or similar materials kept for the purpose mop up cautiously with water in case local areas of concentrated acid have been missed Use hypochlorite solutions in excess scattered over spillage of cyanide solutions and wearing respirator and gloves mop up and collect in buckets. Allow to stand for 24 hours before diluting greatly and running to waste Flood with a phenolic disinfectant any biologically contaminated area for 30 to 60 min and then clean up with water and allow to dry. After cleaning up wash hands with a suitable skin disinfectant such as Chlorhexidine in 70 methylated spirit Use forceps or a brush and pan with broken glass never use the fingers even with gloves. Disinfect broken glass arising from biological spills Dispose of by special arrangements chemicals which cannot be admitted to the public sewerage system . flammable liquids and reagents with high toxicity First aid In Great Britain the Health and Safety First Aid .

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