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HNS MARITIME SAFETY DATA SHEET FILE NO.: 003 DATE: 09/03/2011AMMONIACAS No: 7664-41-7 UN No: 1005F- Flammable, T – Toxic, C - Corrosive,N – Dangerous to EnvironmentR10, R23, R34, R50S(1/2), S9, S16, S26, S36/37/39, S45, S61SECTION 5: EXPOSURE CONTROLS / PERSONAL PROTECTIONCONTROLS:- Use fine water spray.GAS (D)- Spillages and decontamination run-off should be prevented from entering sensitive watercourses. Ammonia canbe allowed to enter drains washed with with large quantities of water.PERSONAL PROTECTIVE EQUIPMENTNOTE:Where atmospheric ammonia concentrations are unknown or exceed 250 ppm recommend fullencapsulation (gas-tight) clothing and SCBA or positive pressure air supply respirator.EMERGENCY ACTION CODEEAC 2RERESPIRATORY PROTECTION Breathing apparatus (BS EN 137)EYE PROTECTIONChemical resistant goggles (BS EN166)SKIN PROTECTION Liquid-tight chemical protective clothing (BS 8428)EMERGENCY RESPONDERSOTHER PROTECTIVE CLOTHINGOR EQUIPMENTAmbulance staff, paramedics and emergency department staff treatingchemically contaminated casualties should be equipped with approved,gas-tight decontamination suits based on EN466:1995, EN12941:1998 andprEN943-1:2001, where appropriate with breathing apparatus(BS EN 137).APP A(c) Liquefied gas with boiling point below -20 °C.WORK HYGIENIC PRACTICES:Decontamination should be performed using local protocols in designated areas such as a decontaminationcubicle with adequate ventilation.Secondary contamination is possible. Ammonia is highly soluble and can condense on the skin and contaminateothers dermally and by volatilisation, unless protected. Wash skin with soapy water for 10 – 15 minutes.DECONTAMINATION OF RESPONDERS:Decontamination should be performed using local protocols in designated areas such as a decontaminationcubicle with adequate ventilation. Wash skin with water for 10 – 15 minutes.NON ESSENTIAL PERSONNEL / PUBLICThere may be a public safety hazard outside the immediate area of the incident. People should stay indoors withwindows and doors closed, ignition sources should be eliminated and ventilation stopped.Non-essential personnel should move at least 150 m away from the incident.Risk communication via news media as well as internet / telephone advice lines should be initiated to inform localresidents / public based upon forecast data or Table 1 estimates.PAGE 6 OF 11
HNS MARITIME SAFETY DATA SHEET FILE NO.: 003 DATE: 09/03/2011AMMONIASECTION 6: MONITORING AND DETECTIONCAS No: 7664-41-7 UN No: 1005F- Flammable, T – Toxic, C - Corrosive,N – Dangerous to EnvironmentR10, R23, R34, R50S(1/2), S9, S16, S26, S36/37/39, S45, S61GAS (D)HEALTH AND SAFETY• Use real-time monitoring by electrochemical sensors or photoionisation detector (PID) and / or quantitativedetection tubes such as Draeger tubes.• Note PID is non compound specific so will detect other volatile contaminants in addition to ammonia.• Monitor for asphyxiant atmospheres (oxygen depletion) before entering confined spaces.Ammonia islighter than air so will accumulate less in poorly ventilated areas, voids and other confined spaces.• Use colorimetric quantitative kits or electrochemical probes for aqueous liquids.ENVIRONMENTAL HEALTH• Ammonia is highly soluble and does not persist in the environment. Dissolves in water to form ammoniumhydroxide.• Fire and explosion may lead to particulates and other contaminants including oxides of nitrogen.• Use monitoring data, marine and meteorological data to predict gas cloud / smoke plume movement usingappropriate modeling software e.g. Aloha (immediate risk / first response), CALPUFF (longer term).• In the absence of data refer to Table 1 below for potential isolation and protective distancesChemical Name Spill Size DefinitionAmmoniaSmallLargeFireFrom small package orsmall leak form largepackageFrom a large packageor from many smallpackagesIf substance involved infireIsolation Zone DownWind Protection Zonein all directions Day Night30m (100ft) 0.1 km (0.1mi) 0.2 km (0.1mi)150m (500ft)1600 meters (1mile)0.8 km (0.5mi)2.3 km(1.4 mi)consider evacuation for thatdistance in all directionsIsolation Distance: All personnel to be directed in a cross wind direction this distance from the spillProtective Action Zone: A square area down wind of the spill where protective action should be considered, starting withnearest receptors and working away from spill.Such estimates should always be regarded with reservations and never be alternatives for monitoring.These estimates can also be applied to liquid chemicals which are flammable and/or hazardous for health.PUBLIC HEALTH FOLLOW-UP EPIDEMIOLOGY &• Collate GP referrals, hospital admissions – numbers, symptomology, age, sex, pre-existing conditions• Effect biomarkers of ammonia exposure are limited to site-of-contact tissue injuries (ATSDR)• Follow-up studies where public health may have been impacted (see chronic effects Section 3)SECTION 7: FIRST AID MEASURESPAGE 7 OF 11
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