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Explosive Gas Atmospheres Class I Division SIncludes flammable gases, flammable liquid-produced vapors, and combustArea ClassificationGroupsDivision 1:Zone 0:Division 1 and 2:Zone 0, 1 and 2:Where ignitableconcentrations of flammablegases, vapors or liquids canexist all of the time or someof the time under normaloperating conditions.Where ignitableconcentrations of flammablegases, vapors or liquids arepresent continuously or forlong periods of time undernormal operating conditions.ABCDIICIIB H2IIBIIAZone 1:Where ignitableconcentrations of flammablegases, vapors or liquids arelikely to exist under normaloperating conditions.Division 2:Zone 2:Where ignitableconcentrations of flammablegases, vapors or liquids arenot likely to exist undernormal operating conditions.Where ignitableconcentrations of flammablegases, vapors or liquids arenot likely to exist undernormal operating ne & hydrogenhydrogenethylenepropaneTemperature ClassificationsDivision 1 and 2:Zone 0, 1 and �—T3———T4—T5T6 450 C 300 C 280 C 260 C 230 C 215 C 200 C 180 C 165 C 160 C 135 C 120 C 100 C 85 C 450 C 300 C 200 C 135 C 100 C 85 CDivision System Electrical Equipment Protection TechniquesApplicable Certification DocumentsAreaProtection TechniquesUSACanadaDiv. 1 Intrinsic safetyUL 913CSA 157 ExplosionproofUL 1203CSA 30 Purged/pressurized (Type X or Y)NFPA 496NFPA 496 Any Class I, Zone 0 techniqueSee Zone 0 techniquesSee Zone 0 techniques Hermetically-sealedISA 12.12.01CSA 213 NonincendiveISA 12.12.01CSA 213 Non-sparkingISA 12.12.01CSA 213 Purged/pressurized (Type Z)NFPA 496NFPA 496 SealedISA 12.12.01CSA 213 Any Class I, Division 1 techniqueSee aboveSee above Any Class I, Zone 0, 1 or 2 techniqueSee Zone techniquesSee Zone techniquesDiv. 2Note: Class I, Division 1 intrinsically safe system requirements are contained in UL 913 (USA) and CSA 157 (Canada).
Systemtible liquid-produced vaporsZone System Electrical Equipment Protection Techniques (Equipment Protection Levels)AreaProtection Techniques(Equipment Protection Levels)Zone 0 Flameproof, “da” (Ga)Applicable Certification DocumentsUSA (UL Mark)Canada (cUL Mark)IECEx SystemEurope (ATEX)——IEC 60079-1EN 60079-1 Intrinsic safety, “ia” (Ga)UL 60079-11CSA 60079-11IEC 60079-11EN 60079-11 Encapsulation, “ma” (Ga)UL 60079-18CSA 60079-18IEC 60079-18EN 60079-18 Class I, Div 1 intrinsic safetyUL 913CSA 157——Zone 1 Flameproof, “db” (Gb)UL 60079-1CSA 60079-1IEC 60079-1EN 60079-1 Pressurization, “pxb”/“pyb” (Gb)UL 60079-2CSA 60079-2IEC 60079-2EN 60079-2 Powder filling, “q” (Gb)UL 60079-5CSA 60079-5IEC 60079-5EN 60079-5 Oil immersion, “o” (Gb)UL 60079-6CSA 60079-6IEC 60079-6EN 60079-6 Increased safety, “e” (Gb)UL 60079-7CSA 60079-7IEC 60079-7EN 60079-7 Intrinsic safety, “ib” (Gb)UL 60079-11CSA 60079-11IEC 60079-11EN 60079-11 Encapsulation, “mb” (Gb)UL 60079-18CSA 60079-18IEC 60079-18EN 60079-18 Any Zone 0 techniqueSee aboveSee aboveSee aboveSee above Any Class I, Div 1 techniqueSee CID1 techniquesSee CID1 techniques——Zone 2 Flameproof, “dc” (Gc)——IEC 60079-1EN 60079-1 Pressurization, “pzc” (Gc)UL 60079-2CSA 60079-2IEC 60079-2EN 60079-2 Intrinsic safety, “ic” (Gc)UL 60079-11CSA 60079-11IEC 60079-11EN 60079-11 Encapsulated, “nC” (Gc)—CSA 60079-15—— Enclosed-break, “nC” (Gc)UL 60079-15CSA 60079-15IEC 60079-15EN 60079-15 Energy-limited, “nL” (Gc)—CSA 60079-15—— Hermetically-sealed, “nC” (Gc)UL 60079-15CSA 60079-15IEC 60079-15EN 60079-15 Nonincendive, “nC” (Gc)UL 60079-15CSA 60079-15IEC 60079-15EN 60079-15 Non-sparking, “nA” (Gc)UL 60079-15CSA 60079-15IEC 60079-15EN 60079-15 Restricted breathing, “nR” (Gc)UL 60079-15CSA 60079-15IEC 60079-15EN 60079-15 Sealed, “nC” (Gc)UL 60079-15CSA 60079-15IEC 60079-15EN 60079-15 Encapsulation, “mc” (Gc)UL 60079-18CSA 60079-18IEC 60079-18EN 60079-18 Any Zone 0 or 1 techniqueSee aboveSee aboveSee aboveSee above Any Class I, Div 1 or 2 techniqueSee Class I techniquesSee Class I techniques——Note 1:Note 2:Note 3:Note 4: one 0, 1 and 2 general requirements are contained in UL 60079-0 (USA), CSA 60079-0 (Canada) and IEC/EN 60079-0 (IECEx System & Europe).Z Zone 0, 1 and 2 intrinsically safe system requirements are contained in ISA 60079-25 (USA), CSA 60079-25 (Canada) and IEC/EN 60079-25 (IECEx System & Europe). Special requirements for certain equipment installations in Zone 0 (Ga) areas are contained in ISA 60079-26 (USA) and IEC/EN 60079-26 (IECEx System & Europe). Equipment Protection Levels (EPLs) are used to provide additional details regarding the level of protection against ignition in explosive atmospheres. EPLs aredesignated by a letter “G” for Gas, “D” for Dust or “M” for Mining, followed by a letter “a” for “very high”, “b” for “high” or “c” for “enhanced” level of protection.Note 5: Under the ATEX Directive (94/9/EC and 2014/34/EU), the marking of Categories is additionally required. ATEX Categories are similar to EPLs in function anddesignation as follows, ATEX Category 1G, 2G, 3G, 1D, 2D, 3D, M1, M2 EPL Ga, Gb, Gc, Da, Db, Dc, Ma, Mb respectively.Note 6: INMETRO certification requirements are determined by Portaria 179 as of 18 May 2010, with the associated Brazilian NBR Ex standards harmonized with thecomparable IEC Ex standards noted above.Continued on backul.com/hazloc
Explosive Gas AtmospheresClass I Division SystemIncludes flammable gases, flammable liquid-produced vapors,and combustible liquid-produced vaporsContinuedZone System Non-Electrical Equipment Protection Techniques (Equipment Protection Levels)Applicable Certification DocumentsAreaUSA (UL Mark)Canada (cUL Mark)IECEx SystemEurope (ATEX)Protection TechniquesZone 0 Constructional safety, “c” (Ga)——ISO pr80079-37EN 13463-5 Control of ignition source, “b” (Ga)——ISO pr80079-37EN 13463-6 Liquid immersion, “k” (Ga)——ISO pr80079-37EN 13463-8Zone 1 Flameproof, “d” (Gb)——IEC 60079-1EN 13463-3 Constructional safety, “c” (Gb)——ISO pr80079-37EN 13463-5 Control of ignition source, “b” (Gb)——ISO pr80079-37EN 13463-6 Liquid immersion, “k” (Gb)——ISO pr80079-37EN 13463-8 Pressurization, “px”/“py” (Gb)——IEC 60079-2EN 60079-2 Any Zone 0 technique——See aboveSee aboveZone 2 Flow restricting enclosure, “fr”———EN 13463-2 Constructional safety, “c” (Gc)——ISO pr80079-37EN 13463-5 Control of ignition source, “b” (Gc)——ISO pr80079-37EN 13463-6 Liquid immersion, “k” (Gc)——ISO pr80079-37EN 13463-8 Pressurization, “pz” (Gc)——IEC 60079-2EN 60079-2 Any Zone 0 or 1 technique——See aboveSee aboveNote 1: The ISO pr80079 series standards are to be published by Q3 of 2015, with an included reference to IEC 60079-0.Note 2: Zone 0, 1 and 2 general requirements are contained in ISO/IEC pr80079-36 (IECEx System) and EN 13463-1 (Europe).Note 3: Equipment Protection Levels (EPLs) are used to provide additional details regarding the level of protection against ignition in explosive atmospheres.EPLs are designated by a letter “G” for Gas, “D” for Dust or “M” for Mining, followed by a letter “a” for “very high”, “b” for “high” or “c” for “enhanced”level of protection.Note 4: Under the ATEX Directive (94/9/EC and 2014/34/EU), the marking of Categories is additionally required. ATEX Categories are similar to EPLs in functionand designation as follows, ATEX Category 1G, 2G, 3G, 1D, 2D, 3D, M1, M2 EPL Ga, Gb, Gc, Da, Db, Dc, Ma, Mb respectively.
Explosive Dust Atmospheres Class II & III DIncludes combustible dusts and ignitable fibers/flyingsArea ClassificationGroupsClass II, Division 1:Zone 20:Class II, Division 1 and 2:Zone 20, 21 and 22:Where ignitableconcentrations ofcombustible dust can existall of the time or some ofthe time under normaloperating conditions.Where ignitableconcentrations ofcombustible dust orignitable fibers/flyings arepresent continuously or forlong periods of time undernormal operating conditions.E metal dust — Div. 1 onlyF carbonaceous dustG non-conductive dust—IIICIIIBIIIBIIIAZone 21:Where ignitableconcentrations ofcombustible dust orignitable fibers/flyings arelikely to exist under normaloperating conditions.Class II, Division 2:Zone 22:Where ignitableconcentrations ofcombustible dust are notlikely to exist under normaloperating conditions.Where ignitableconcentrations ofcombustible dust orignitable fibers/flyings arenot likely to exist undernormal operating conditions.Class III, Division 1:Class III, Division 2:Where easily ignitable fibersor materials producingcombustible flyings arehandled, manufacturedor used.Where easily ignitable fibersare stored or handled.conductive dustnon-conductive dustnon-conductive dustcombustible flyingsClass III, Division 1 and 2: None.Temperature ClassificationsClass II, Division 1 and 2:T2DT1 450 CT3T2 300 CT3AT2A 280 CT3BT2B 260 CT3CT2C 230 C 215 C 200 C 180 C 165 C 160 CT4T4AT5T6 135 C 120 C 100 C 85 CZone 20, 21 and 22: None.Note: For Zone 20, 21 and 22, equipment shall be marked to show themaximum surface temperatureClass III, Division 1 and 2: None.Note: Article 503 of the NEC limits the maximum surface temperature forClass III equipment to 165 C for equipment not subject to overloading andto 120 C for equipment that may be overloaded.
Division SystemDivision System Electrical Equipment Protection TechniquesApplicable Certification DocumentsAreaProtection TechniquesUSACanadaDiv. 1 Intrinsic safety (Class II & III) Dust-ignitionproof (Class II) Pressurized (Class II) Dusttight (Class III) Hermetically-sealed (Class III) Nonincendive (Class III) Sealed (Class III) Any Zone 20 technique (Class II & III)UL 913UL 1203NFPA 496ISA 12.12.01ISA 12.12.01ISA 12.12.01ISA 12.12.01See Zone 20 techniquesCSA 157CSA 25NFPA 496CSA 157———See Zone 20 techniquesDiv. 2 Dusttight (Class II) Hermetically-sealed (Class II) Nonincendive (Class II) Sealed (Class II) Pressurized (Class II) Any CIID1 or CIIID1 technique Any Zone 20, 21, 22 tech (Class II & III)ISA 12.12.01ISA 12.12.01ISA 12.12.01ISA 12.12.01NFPA 496See aboveSee Zone techniquesCSA 157———NFPA 496See aboveSee Zone techniquesNote: Class II and Class III, Division 1 intrinsically safe system requirements are contained in UL 913 (USA) and CSA 157 (Canada)Zone System Electrical Equipment Protection Techniques (Equipment Protection Levels)Applicable Certification DocumentsProtection Techniques(Equipment Protection Levels)USA (UL Mark)Canada (cUL Mark)IECEx SystemEurope (ATEX)Zone 20 Enclosure, “ta” (Da) Intrinsic safety, “ia” (Da) Encapsulation, “ma” (Da) Any CIID1 techniqueISA 60079-31UL 60079-11UL 60079-18See CIID1 techniquesCSA 60079-31CSA 60079-11CSA 60079-18See CIID1 techniquesIEC 60079-31IEC 60079-11IEC 60079-18—EN 60079-31EN 60079-11EN 60079-18—Zone 21 Enclosure, “tb” (Db) Pressurization, “p” (Db) Intrinsic safety, “ib” (Db) Encapsulation, “mb” (Db) Any Zone 20 technique Any CIID1 techniqueISA 60079-31ISA 61241-2UL 60079-11UL 60079-18See aboveSee CIID1 techniquesCSA 60079-31CSA 61241-4CSA 60079-11CSA 60079-18See aboveSee CIID1 techniquesIEC 60079-31IEC 60079-2IEC 60079-11IEC 60079-18See above—EN 60079-31EN 60079-2EN 60079-11EN 60079-18See above—Zone 22 Enclosure, “tc” (Dc) Pressurization, “p” (Dc) Intrinsic safety, “ic” (Dc) Encapsulation, “mc” (Dc) Any Zone 20, 21 technique Any CIID1, CIID2 techniqueISA 60079-31ISA 61241-2UL 60079-11UL 60079-18See aboveSee Class II techniquesCSA 60079-31CSA 61241-4CSA 60079-11CSA 60079-18See aboveSee Class II techniquesIEC 60079-31IEC 60079-2IEC 60079-11IEC 60079-18See above—EN 60079-31EN 60079-2EN 60079-11EN 60079-18See above—AreaNote 1: Z one 20, 21 and 22 general requirements are contained in UL 60079-0 or ISA 61241-0 (USA), CSA 60079-0 (Canada) and IEC/EN 60079-0(IECEx System & Europe).Note 2: Zone 20, 21 and 22 intrinsically safe system requirements are contained in ISA 60079-25 (USA), CSA 60079-25 (Canada) and IEC/EN 60079-25(IECEx System & Europe).Note 3: Equipment Protection Levels (EPLs) are used to provide additional details regarding the level of protection against ignition in explosive atmospheres. EPLs aredesignated by a letter “G” for Gas, “D” for Dust or “M” for Mining, followed by a letter “a” for “very high”, “b” for “high” or “c” for “enhanced” level of protection.Note 4: Under the ATEX Directive (94/9/EC and 2014/34/EU), the marking of Categories is additionally required. ATEX Categories are similar to EPLs in function anddesignation as follows, ATEX Category 1G, 2G, 3G, 1D, 2D, 3D, M1, M2 EPL Ga, Gb, Gc, Da, Db, Dc, Ma, Mb respectively.Note 5: INMETRO certification requirements are determined by Portaria 179 as of 18 May 2010, with the associated Brazilian NBR Ex standards harmonized with thecomparable IEC Ex standards noted above.Continued on back
Explosive Dust AtmospheresClass II & III Division SystemIncludes combustible dusts and ignitable fibers/flyingsContinuedZone System Non-Electrical Equipment Protection Techniques (Equipment Protection Levels)Applicable Certification DocumentsAreaUSA (UL Mark)Canada (cUL Mark)IECEx SystemEurope (ATEX)Protection TechniquesZone 20 Constructional safety, “c” (Da)——ISO pr80079-37EN 13463-5 Control of ignition source, “b” (Da)——ISO pr80079-37EN 13463-6 Liquid immersion, “k” (Da)——ISO pr80079-37EN 13463-8 Enclosure, “ta” (Da)——IEC 60079-31EN 60079-31Zone 21 Constructional safety, “c” (Db)—ISO pr80079-37EN 13463-5——ISO pr80079-37EN 13463-6 Liquid immersion, “k” (Db)——ISO pr80079-37EN 13463-8 Flameproof, “d” (Db)——IEC 60079-1EN 13463-3 Pressurization, “px”/“py” (Db)——IEC 60079-2EN 60079-2 Enclosure, “tb” (Db)——IEC 60079-31EN 60079-31 Any Zone 20 technique——See aboveSee aboveZone 22 Flow restricting enclosure, “fr”———EN 13463-2 Constructional safety, “c” (Dc)——ISO pr80079-37EN 13463-5 Control of ignition source, “b” (Dc)——ISO pr80079-37EN 13463-6 Liquid immersion, “k” (Dc)——ISO pr80079-37EN 13463-8 Pressurization, “pz” (Dc)——IEC 60079-2EN 60079-2 Enclosure, “tc” (Dc)——IEC 60079-31EN 60079-31 Any Zone 20 or 21 technique——See aboveSee aboveNote 1: The ISO pr80079 series standards are to be published by Q3 of 2015, with an included reference to IEC 60079-0.Note 2: Zone 20, 21 and 22 general requirements are contained in ISO/IEC pr80079-36 (IECEx System) and EN 13463-1 (Europe).Note 3: Equipment Protection Levels (EPLs) are used to provide additional details regarding the level of protection against ignition in explosive atmospheres.EPLs are designated by a letter “G” for Gas, “D” for Dust or “M” for Mining, followed by a letter “a” for “very high”, “b” for “high” or “c” for “enhanced”level of protection.Note 4: Under the ATEX Directive (94/9/EC and 2014/34/EU), the marking of Categories is additionally required. ATEX Categories are similar to EPLs in functionand designation as follows, ATEX Category 1G, 2G, 3G, 1D, 2D, 3D, M1, M2 EPL Ga, Gb, Gc, Da, Db, Dc, Ma, Mb respectively.UL and the UL logo are trademarks of UL LLC 2015. 332 2.5M/02/15 BDi 41108— Control of ignition source, “b” (Db)
MarkingsClass I, II, and III, Division 1& 2 (USA & Canada)This marking would include:Class(es), Division(s), Gas/DustGroup(s), TemperatureClassificationExample: Class I, Division 1,Groups C & D; Class II, Division1, Groups E, F and G; Class III,Division 1,T4AClass I, Zone 0, 1, & 2(USA)The marking would include:For Zone Listings based on USA60079 series standards: Class,Zone, AEx, ProtectionTechnique(s), Gas Group,Temperature ClassificationExample: Class I, Zone 1, AExde IIB T4For Zone Listings based on USADivision standards: Class, Zone,Gas Group, TemperatureClassificationExample: Class I, Zone 1, GroupIIB T4Zone 0, 1, & 2(Europe)This marking would include:Zone 20, 21, & 22(USA)The marking would include:For Zone Listings based on USA60079 or 61241 seriesstandards: Zone, AEx,Protection Technique(s), DustGroup, TemperatureClassificationExample: Zone 21, AEx tb IIIBT135 CFor Zone Listings based on USADivision Standards: Zone, DustGroup, TemperatureClassificationThis marking would include:Electrical Equipment: Ex,Protection Technique(s), DustGroup, TemperatureClassification, EquipmentProtection Level (EPL)Example: Ex de IIB T4 GbExample: Ex tb IIIB T135 C DbNon-Electrical Equipment: GasGroup, Protection Technique(s),Temperature ClassificationNon-Electrical Equipment:Protection Technique(s),Temperature ClassificationExample: IIB ck T4Example: ck T135 CATEX Directive(Europe)Example: Ex tb IIIB T135 C DbThis marking would include:Example (for DEMKO):II 2 G 2013Non-Electrical Equipment:Ex, Protection Technique,Gas Group, TemperatureClassification, EquipmentProtection Level (EPL)0539Mining: , NB Identifier, ,Equipment Group & Category,Date Code0539INMETRO Mark(Brazil)This marking would include:INMETRO/UL-BR Mark, Ex, ProtectionTechnique(s), Gas Group, TemperatureClassification, Equipment Protection Level (EPL)Example: Ex tb IIIB T135 C DbExample:Example: Ex h IIIB T135 C DbFor Zone 20, 21 & 22 Listings:Ex, Protection Technique(s),Dust Group, TemperatureClassification, EquipmentProtection Level (EPL)Zone 0, 1, & 2(IECEx System)This marking would include:Electrical Equipment: Ex, Protection Technique(s),Dust Group, Temperature Classification,Equipment Protection Level (EPL)Non-Electrical Equipment: Ex, ProtectionTechnique(s), Dust Group, TemperatureClassification, Equipment Protection Level (EPL)Example: Ex de IIB T4 GbIn addition to the EuropeanEx marking strings noted tothe left, this marking wouldinclude:Non-mining: , NB Identifier,, Equipment Group &Category, G (gas)/D (dust),Date CodeExample (for DEMKO):I M2 2013Zone 20, 21, & 22(IECEx System)This marking would include:For Zone 0, 1 & 2 Listings: Ex,Protection Technique(s), GasGroup, TemperatureClassification, EquipmentProtection Level (EPL)Example: Zone 21, IIIB T135 CZone 20, 21, & 22(Europe)Electrical Equipment: Ex,Protection Technique(s), GasGroup, TemperatureClassification, EquipmentProtection Level (EPL)Zone 0, 1 & 2 (Canada)Zone 20, 21 & 22 (Canada)Ex de IIB T4 GbElectrical Equipment: Ex,Protection Technique(s),Gas Group, TemperatureClassification, EquipmentProtection Level (EPL)Example: Ex de IIB T4 GbExample: Ex h IIB T4 Gb
Sealed, “nC” (Gc) UL 60079-15 CSA 60079-15 IEC 60079-15 EN 60079-15 Encapsulation, “mc” (Gc) UL 60079-18 CSA 60079-18 IEC 60079-18 EN 60079-18 Any Zone 0 or 1 technique See above See above See above See above Any Class I, Div 1 or 2 techni
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Jun 27, 2018 · Why Spike Test? 15 1. Current GPAC stance is no Spike Test is required as part of a Hydrotest being used to establish MAOP 2. Rules out critical flaws including SCC and long seam defects. 3. Minimizing size of “just-surviving” flaws 4. Subsequent to Spike Hold period, relaxing
Others (pupil dilation, body temperature, posture, etc.) Heartrate Beat to beat interval of blood flow . Fourier transform to get valence? - Prone to movement artifacts - Delayed onset to stimuli - Difficult to determine . Amp Spike Amp Range Min Spike Amp Max Spike Amp Mean Spike
resource capacity. The more prepared a jurisdiction is for an overdose spike, the more swiftly and efficiently stakeholders can act when one occurs. Planning for an overdose spike response begins with relatively simple steps that can have long-lasting and wide-ranging benefits. The five main steps of planning for an overdose spike response are:
Article 505. Class I, Zone 0, 1, and 2 Locations Figure 500–2. Mike Holt Enterprises, Inc. www.MikeHolt.com 888.NEC.CODE (632.2633) 25 Hazardous (Classified) Locations 500.4 500.4 General (A) Classification Documentation. All hazardous (classified) locations must be properly documented. The documentation must be available to those who are authorized to design, install, inspect .
the hazardous Materials table in 49 CFr 172.101. note: dot hazardous materials include all resource Conservation and recovery act (rCra) hazardous waste and Comprehensive environmental response, Compensation, and liability act (CerCla) hazardous substances. Hazardous Waste as regulated by epa in 40 CFr 261 In general, a waste is hazardous .
Conduct detailed inspection of hazardous areas installations dust atmospheres Conduct detailed inspection of hazardous areas installations pressurisation Manage compliance of hazardous areas Report on the integrity of explosion-protected equipment in a hazardous area UEENEEM078A UEENEEM080A UEE42611 Certificate IV Hazardous Areas - Electrical
Laboratory Hazardous Waste Disposal Procedures 8 Disposal of Biohazardous Waste 9 Disposal of Sharps (and Syringes) 12 . For a list of chemicals that are considered non-hazardous visit the Non-Hazardous Chemical Disposal Guide. Regularly Scheduled Hazardous Waste Pick-up . ESF picks up hazardous waste throughout UBC on a scheduled basis. Pick .
