Cross Reference Table f Area Classification Details Area Focus Drum Filling Station (Outdos Indos in an Adequately Ventilated Building)) Marine Terminal Tank Car Tank Truck Loading and Unloading Via Closed System Tank Car Tank Truck Loading and Unloading Via Open System Below Grade (Inadequately Ventilated at Grade (Outdos) Adjacent Areas Adequately ventilated nonenclosed 2 area adjacent to a classified area Enclosed area with vaptight barriers 3 adjacent to a classified area Enclosed area with non-vaptight 4 barriers adjacent to a classified area and in contact with its Division 1 hazardous influence boundary Enclosed area with non-vaptight 5 barriers adjacent to a classified area and in contact with its Division 2 hazardous influence boundary Bulk Loading Unloading Handling Flammable 5.9.6 Product Transfer through Bottom Only f Flammable Product Transfer through Dome Only f Flammable Product Transfer through Bottom Only f Liquefied Gas, Compressed Gas, Cryogenic Product Transfer through Dome Only f Flammable Liquefied Gas, Compressed Gas, Cryogenic Product Transfer through Top Bottom f Flammable 19 5.9.14 11 10 13 Tank Truck: 5.9.4(d) Tank Car: 5.9.4(c) Tank Car Only: 5.9.4(b) 9 5.9.5 12 s 101 Gas Highly Volatile s Gas Handling Highly Volatile 51 93 5.9.4(e) 5.9.2(a) Page 1 of 10
Cross Reference Table f Area Classification Details (cont.) (Inside Adequately Ventilated Shelter) (Inside Inadequately Ventilated Shelter) (Outdos but Under Roofed Building without Sides) (Inside Adequately Building with One Me Sides) (Inside Inadequately Building with One Me Sides) (Indo with Enclosed Operating ) (Indo with Open Semi-Enclosed Operating ) (Indo, Walled Off Area, Enclosed Operating ) s (cont.) 23 5.9.9(a) Gas Handling Highly Volatile Gas Gas dust cloud, dust layer less than 1/8 inch and surface col not discernable dust cloud dust layer and surface col discernable Group E Dust with moderate dense dust cloud, dust layer greater than 1/8 inch to less than 1/8 inch and surface col not discernable Groups F G Dust with moderate dense dust cloud to no visible dust cloud, dust layer greater than 1/8 inch to less than 1/8 inch and surface col not discernable Group E Dust 25 52 52 with 93 105 53 94 106 54 95 5.9.9(b) 5.8(c) 5.8(d) 5.8(b) 5.8(a) 5.8(f) Page 2 of 10
Cross Reference Table f Area Classification Details (cont.) Effluent Handling and Treatment Drain System Type 1 Open Drain System 58 (Enclosed Drain System Type 2 Open Drain System 59 (Enclosed Adequately ventilated Type 3 Open 61 (cont.) Drain System Type 4 Open Drain System 63 Inside Building handling Cryogenic Flammable s including Natural Gas Drain System Type 1 Open Drain System 58 Type 2 Open Drain System 59 Adequately ventilated Type 3 Open 60 Drain System Adequately ventilated Type 4 Open 62 Drain System Handling Cryogenic Flammable s including Natural Gas Emergency Impounding Basin (Above Grade) Oil-Water Separat handling Flammable Emergency Drainage Ditch Tempary Oil-Water Separat (Below Grade) handling Flammable Sump Below grade Open Sump handling 57 with ( Flammable Combustible Division 2 f the Enclosed remainder of the Sump (Inadequately Ventilated Enclosed Sump Above Grade Sump inside an enclosure handling Flammable Combustible Below Grade Open Sump Inside Open Vault Containment Area Below grade Open Sump handling Clean Water Below grade Open Sump handling Flammable Combustible Below grade Closed Sump Oily Water Separat with Atmospheric Vent and No Access Hatch(es) Below grade Closed Sump Oily Water Separat with Vent to Carbon Cannisters and No Access Hatch(es) enclosed area 34 63 58 57 27 Detail 4 1. 27 - Detail 4 but without Vent classification 2. Add Vent note To Carbon Cannisters 5.9.13, Top Detail 5.9.13, Bottom Detail 5.9.7, Top Detail 5.9.7, Bottom Detail Page 3 of 10
Cross Reference Table f Area Classification Details (cont.) Sump (cont.) Waste Water Treatment Above Grade Source with Closure Cooling Tower Effluent Handling and Treatment (cont.) Below grade Closed Sump Oily 1. 27 Water Separat with Atmospheric Detail 4 Vent and Access Hatch(es) 2. 100 Detail B Below grade Closed Sump Oily Water Separat with Vent to Carbon Cannisters and Access Hatch(es) 1. 27 Detail 4 but without Vent classification 2. Add Vent note To Carbon Cannisters 3. 100 Detail B Open Top Below Grade Separat 27 Preseparat Detail 1 Open Top Above Grade Separat 7 Preseparat Fixed Roof Above Grade Separat 6 Preseparat Open Top Below Grade Dissolved Air 27 Flotation (DAF) Unit Detail 2 Open Top Above Grade Dissolved Air 7 Flotation (DAF) Unit Fixed Roof Above Grade Dissolved 6 Air Flotation (DAF) Unit Open Top Below Grade Biological 27 Oxidation (BIOX) Unit Detail 3 Open Top Above Grade Biological 7 Oxidation (BIOX) Unit Fixed Roof Above Grade Biological 6 Oxidation (BIOX) Unit Injecton Well without Cellar Below 39 Grade Sump Injecton Well with Inadequately 40 Ventilated Cellar Below Grade Sump General Process Diverter Line Outlet handling 89 Flammable Combustible Pig Launching Receiving 49 Installation handling Flammable Combustible Process Filter Strainer handling Flammable Combustible Highly Volatile Mechanical Draft handling Process Cooling Water 102 28 Page 4 of 10
Dust Handling (Indo with Enclosed Operating ) Dust Handling (Indo with Open Semi-Enclosed Operating ) Dust Handling (Indo, Walled Off Area, Enclosed Operating ) Cross Reference Table f Area Classification Details (cont.) General Process (cont.) dust cloud, dust layer less than 1/8 inch and surface col not discernable dust cloud dust layer and surface col discernable Group E Dust with moderate dense dust cloud, dust layer greater than 1/8 inch to less than 1/8 inch and surface col not discernable Groups F G Dust with moderate dense dust cloud to no visible dust cloud, dust layer greater than 1/8 inch to less than 1/8 inch and surface col not discernable Group E Dust Fired Fired Heater with air-aspirated burners Unclassified entending out 10 feet from perimeter of burner bank Flammable Gas- Blanketed and Produced Water-Handling Fired Heater with FD fan FD/ID fans and safety shutdown system Fired Heater with FD fan FD/ID fans and no safety shutdown system Flare Located Outdos at Grade in a Nonenclosed Area Located at Grade in Adequately Ventilated Enclosed Area and all Vents extend outside enclosed area Located at Grade in Adequately Ventilated Enclosed Area and all Vents do not extend outside enclosed area Located at Grade in an Inadequately Ventilated Enclosed Area Unclassified 48 Unclassified entending out 10 feet from tip 50 50 with Division 2 f the remainder of the extent of enclosed area 50 with the remainder of the extent of enclosed area Division 1 50 with Division 1 f the extent of enclosed area 5.8(c) 5.8(d) 5.8(b) 5.8(a) 5.8(f) Page 5 of 10
Me than One Piping System With Multiple Valves, Screwed Fittings, Flanges, Hoses, etc. in Close Proximity: Metering Skid Manifolds Prover Skid Sampler System Chemical Injection Skid Plate and Frame Filter Press (Adequate Ventilation) Product Dryer (Inside Adequately Ventilated Butilding) Cross Reference Table f Area Classification Details (cont.) General Process (cont.) Located Outdos at Grade handling 96 Flammable Combustible Highly Volatile Located Outdos at Grade handling Cold Liquefied Flammable Gas including Liquefied Natural Gas Located in Inadequately Ventilated 22 Process Location handling Heavier- Than-Air Flammable Combustible Gas Highly Volatile Located in Inadequately Ventilated Process Location handling Lighter- Than-Air Flammable Combustible Gas Located Inside Roofed Building with One Me Sides handling Flammable Combustible Highly Volatile Located Inside Roofed Building with One Me Sides handling Cold Liquefied Flammable Gas including Liquefied Natural Gas Located Inside Inadequately Building with One Me Sides handling Flammable Combustible Highly Volatile Handling a Solid wet with a Flammable Handling a Solid wet with a Flammable 26 5.9.1(g) 5.9.11 97 5.9.13 98 5.9.12 5.9.3(b) 5.9.3(a) Hydrocarbon Pressure s (e.g. Heat Exchanger (Hazardous Material Shell-side), Fin-Fan Heat Exchanger, React, Accumulat, Oil-gas Separat, Tower) Multiple Sources of In Building 5.9.1(n) Leakage from Process Located on Me than One Flo Handling a Flammable In Outdo Process Area Handling a Flammable 5.9.1(k) 5.9.1(l) 5.9.1(m) Page 6 of 10
(Inside Inadequately Ventilated Process Enclosure) (Inside Adequately Building with One Me Sides) (Inside Inadequately Building with One Me Sides) (Indo with Enclosed Operating ) (Indo with Open Semi-Enclosed Operating ) (Indo, Walled Off Area, Enclosed Operating ) Cross Reference Table f Area Classification Details (cont.) Hydrocarbon Pressure s (cont.) (e.g. Heat Exchanger (Hazardous Material Shell-side), Fin-Fan Heat Exchanger, React, Accumulat, Oil-gas Separat, Tower) Handling Heavier-Than-Air Highly Volatile Source above Flo Level handling Flammable Combustible Highly Volatile Handling Cold Liquefied Gas including Liquefied Natural Gas dust cloud, dust layer less than 1/8 inch and surface col not discernable dust cloud dust layer and surface col discernable Group E Dust with moderate dense dust cloud, dust layer greater than 1/8 inch to less than 1/8 inch and surface col not discernable Groups F G Dust with moderate dense dust cloud to no visible dust cloud, dust layer greater than 1/8 inch to less than 1/8 inch and surface col not discernable Group E Dust 22 26 105 97 106 98 5.9.1(j) 5.9.1(d) 5.9.12 5.9.1(i) 5.8(c) 5.8(d) 5.8(b) 5.8(a) 5.8(f) Page 7 of 10
Below Grade (Inadequately Ventilated at Grade Above Grade Control Panel (Enclosure) f Instruments having Connections to Flammable Combustible Fluids (Instruments located Inside Attached to Panel) Process Control Valve Cross Reference Table f Area Classification Details (cont.) Hydrocarbon Pressure s (cont.) (e.g. Heat Exchanger (Hazardous Material Shell-side), Fin-Fan Heat Exchanger, React, Accumulat, Oil-gas Separat, Tower) Handling Cold Liquefied Flammable Gas including Liquefied Natural Gas Handling Highly Volatile Handling Cold Liquefied Flammable Gas including Liquefied Natural Gas Handling Liquified Compressed Flammable Gas Cryogenic Flammable 101 48 99 21 with 99 Instrumentation When Flammable Gas is vented to the 64 inside of enclosure (control panel) Adequately ventilated control panel (enclosure) with instruments inside Inadequately ventilated control panel (enclosure) with instruments inside Located in nonenclosed adequately ventilated area Located in enclosed adequately ventilated area Located in enclosed inadequately ventilated area 66 65 Division 2 extends 18 inches from stem seal (not shown on plot plan suppt drawing) Division 2 to the extent of the enclosed area Division 1 to the extent of the enclosed area Sample Valve Adequately ventilated area 61 (Discharge located in Enclosed Inadequately ventilated area 63 5.9.1(g) 5.9.11 5.9.1(b) 5.9.1(h) 5.9.2(b) 5.9.1(b) 5.9.1(h) 5.9.11 5.9.2(b) Page 8 of 10
Cross Reference Table f Area Classification Details (cont.) Pump Below Grade but External to Associated (Inadequately Ventilated Pump at Grade (Outdos) Pump (Outdos but Under Roofed Building without Sides) Pump (Inside Adequately Building with One Me Sides) Pump (Inside Inadequately Building with One Me Sides) Stage Area Stage Tank Stage Tank f Cryogenic and other Cold Liquefied Flammable Gases (Outdos) Pumps Pump associated with Oil-gas Separat, Receiver, Sump, etc. handling Flammable Combustible Handling Highly Volatile Handling Liquefied Compressed Flammable Gas Flammable Cryogenic Handling Highly Volatile Stage Bags Drums Closed Hoppers handling Groups E, F, G Dusts Fixed Roof Flammable Stage Tank Fixed Roof Flammable Stage Tank with Internal Floating Roof Open Top Floating Roof Flammable Stage Tank Fixed Roof Combustible Stage Tank Dike height less than distance from container to dike Dike height greater than distance from container to dike Conainer with liquid level below grade top of dike 101 51 93 52 52 with 93 53 94 54 95 6 6 7 8 5.9.2(a) 5.9.1(a) 5.9.2(a) 5.9.1(c) 5.9.1(e) 5.9.1(f) 5.9.4(a) 5.9.10(a) 5.9.10(b) 5.9.10(c) 5.8(e) Page 9 of 10
Cross Reference Table f Area Classification Details (cont.) Stage (cont.) Stage f Hydrogen Gaseous Hydrogen only 5.9.8(b) (Indos in an Hydrogen only 5.9.8(a) Building) Stage f Hydrogen Gaseous Hydrogen only 5.9.8(b) (Outdos) Hydrogen only 5.9.8(a) Vents Vent To Atmosphere From a Division 1 Area 16 87 ) From a Division 2 Area 17 88 From Instrument Control Device 15 (Low Pressure) From Process 14 From Relief Valve 18 From Rupture Disk 18 From source handling Cryogenic Flammable s including Natural Gas Vent To Atmosphere From source handling Cryogenic (Indos Adequately Flammable s including Natural Ventilated Building) Gas 5.9.13, Bottom Detail 5.9.13, Top Detail Notes: 1. NFPA s above use Division nomenclature. The use of NFPA s with Zone nomenclature is discouraged. 2. See Section 5.10 f Highly Volatile, Flammable, and Combustible definitions. 3. radius dimensions f use with the s above should be obtained from Gas/ Dispersion modeling results. 4. If modeling results cannot be obtained (e.g. composition of material is unknown), use the recommended radius per the specific figure. Page 10 of 10