{"operation":"document","citation":"ERG 2024 Guide 144","title":"Guide 144: Oxidizers (Water-Reactive)","source_type":"guidance","agency":"U.S. DOT / Transport Canada / SICT","status":"guidance","official":true,"published_on":"2024-04-04","effective_on":null,"summary":"ERG2024 response Guide 144: Oxidizers (Water-Reactive).","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-erg-2024-guide-144.json","markdown":"https://regulus.evalyn.ai/document/phmsa-erg-2024-guide-144.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-erg-2024-guide-144","source_url":"https://www.phmsa.dot.gov/erg/guide?number=144","body":"GUIDE\n144\nOxidizers (Water-Reactive)\nPOTENTIAL HAZARDS\nFIRE OR EXPLOSION\n•\nMay ignite combustibles (wood, paper, oil, clothing, etc.).\n•\nReact vigorously and/or explosively with water.\n•\nProduce toxic and/or corrosive substances on contact with water.\n•\nFlammable/toxic gases may accumulate in tanks and hopper cars.\n•\nSome may produce flammable hydrogen gas upon contact with metals.\n•\nContainers may explode when heated.\n•\nRunoff may create fire or explosion hazard.\n•\n•\n•\nHEALTH\nTOXIC; inhalation or contact with vapor, substance, or decomposition products may cause severe injury\nor death.\nFire will produce irritating, corrosive and/or toxic gases.\nRunoff from fire control or dilution water may cause environmental contamination.\nPUBLIC SAFETY\nCALL 911. Then call emergency response telephone number on shipping paper. If shipping paper\nnot available or no answer, refer to appropriate telephone number listed on the inside back cover.\nKeep unauthorized personnel away.\nStay upwind, uphill and/or upstream.\nVentilate closed spaces before entering, but only if properly trained and equipped.\n•\n•\n•\n•\nPROTECTIVE CLOTHING\n•\nWear positive pressure self-contained breathing apparatus (SCBA).\n•\nWear chemical protective clothing that is specifically recommended by the manufacturer when there is\nNO RISK OF FIRE.\n•\nStructural firefighters' protective clothing provides thermal protection but only limited chemical protection.\nEVACUATION\nImmediate precautionary measure\n•\nIsolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters\n(75 feet) for solids.\nSpill\n•\n•\nFor highlighted materials: see Table 1 - Initial Isolation and Protective Action Distances.\nFor non-highlighted materials: increase the immediate precautionary measure distance, in the downwind\ndirection, as necessary.\nFire\n•\nIf tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all\ndirections; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.\nPage 218\nERG 2024\n\nOxidizers (Water-Reactive)\nGUIDE\n144\nEMERGENCY RESPONSE\nFIRE\n•\nDO NOT USE WATER OR FOAM.\nSmall Fire\n•\nDry chemical, soda ash or lime.\nLarge Fire\n•\nDRY sand, dry chemical, soda ash or lime or withdraw from area and let fire burn.\n•\nDo not move cargo or vehicle if cargo has been exposed to heat.\n•\nIf it can be done safely, move undamaged containers away from the area around the fire.\nFire Involving Tanks, Rail Tank Cars or Highway Tanks\n•\nFight fire from maximum distance or use unmanned master stream devices or monitor nozzles.\n•\nCool containers with flooding quantities of water until well after fire is out.\n•\nWithdraw immediately in case of rising sound from venting safety devices or discoloration of tank.\n•\nALWAYS stay away from tanks in direct contact with flames.\nSPILL OR LEAK\n•\nELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.\n•\nDo not touch damaged containers or spilled material unless wearing appropriate protective clothing.\n•\nStop leak if you can do it without risk.\n•\nUse water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled\nmaterial.\n•\nDO NOT GET WATER on spilled substance or inside containers.\nSmall Spill\n•\nCover with DRY earth, DRY sand or other non-combustible material followed with plastic sheet to\nminimize spreading or contact with rain.\nLarge Spill\n•\nDO NOT CLEAN-UP OR DISPOSE OF, EXCEPT UNDER SUPERVISION OF A SPECIALIST.\nFIRST AID\nRefer to the “General First Aid” section.\nSpecific First Aid:\n•\nContaminated clothing may be a fire risk when dry.\nIn Canada, an Emergency Response Assistance Plan (ERAP) may be required for this product.\nPlease consult the shipping paper and/or the \"ERAP\" section.\nERG 2024\nPage 219","truncated":false,"body_characters":3798}