module 3: transportation and transfer of ethanol-blended fuels
TRANSCRIPT
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Module 3: Transportation and Transfer of Ethanol-Blended
Fuels
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Objective
Upon the successful completion of this module, participants will be able to describe how ethanol-blended fuels are transported and transferred and where the most likely points for error in these actions will exist.
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Introduction
Essential to quickly & effectively identify presence of ethanol / ethanol-blended fuels at scene of incident
Can be challenging because containers in which ethanol is transported not always clearly marked
Steps taken to ensure incidents managed effectively
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Transportation and Placarding
Gasoline & ethanol-blended fuels transported in same general types of containers & tanks
MC-306 / DOT-406 Multiple sizes &
compartment configurations
Local transportation issues
Copyright 2006, TEEX/ESTI
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Standard MC-306 / DOT-406
Duel axle Capacity: 6,000–
9,500 gallons Custom built 3/8 inch aluminum 1–7 compartments
Property of Heil Trailers International, reprinted with permission
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Heavy Duty MC-306 / DOT-406
Tri-axle Capacity: 9,500–
15,000 gallons Custom built 1–7 compartments
Property of Heil Trailers International, reprinted with permission
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Michigan-Style MC-306 / DOT-406
Multiple axles Capacity: 13,800 gallons Custom built 5 compartments
Property of Heil Trailers International, reprinted with permission
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Truck and Pull MC-306 / DOT-406
Truck tank:– Capacity: 4,000–6,000
gallons– 1–4 compartments
Trailer tank:– Capacity: 4,000–8,500
gallons– 1–5 compartments
Custom built
Property of Heil Trailers International, reprinted with permission
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Military Refueler
Low profile Capacity: 5,000
gallons Single compartment Built to military
specifications Air transportable
Property of Heil Trailers International, reprinted with permission
Property of Heil Trailers International, reprinted with permission
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Transportation and Placarding
DOT:– Classifies according
to primary danger – Assigns
standardized symbols to identify classes
Ethanol & ethanol-fuel blends are flammable liquids
Copyright ERG
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Transportation and Placarding
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Flammable tanker placards:– Lower ethanol
concentrations up to & including E-10 (E-01 to E-10) blended fuels: UN 1203
– E-85 (E-11 to E-94) blended fuels: UN 3475
– E-95, E-98 (E-95 to E-99) blended fuels: UN / NA 1987
– E-100: UN 1170 Copyright ERG
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Transportation and Placarding
October 1, 2008:– U.S. DOT, Pipeline and Hazardous
Materials Safety Administration (PHMSA) issued final rule creating a new proper shipping name & placard for ethanol-blended fuels with a percentage higher than 10% but lower than 95% (E-11 to E-94)
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Ethanol Proper Shipping Names
Ethanol ConcentrationPreferred Proper Shipping Name
E-1 to E-10 Gasohol (UN 1203) or Gasoline (UN 1203)
E-11 to E-94 Ethanol & gasoline mixture (UN 3475)
E-95 to E-99 Denatured alcohol (NA 1987) or Alcohols n.o.s. (UN
1987)
E-100 Ethanol (UN 1170) or Ethyl alcohol (UN 1170)
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Transportation and Placarding
April 22, 2009:– EPA received a waiver to lift arbitrary regulatory cap on
ethanol from a 10% blend of ethanol to a 15% blend of ethanol in our gas supply; must approve / disapprove by December 1, 2009
– Current cap dates back to 1970s– If approved, DOT-PHMSA will decide placarding; current
debate is to placard pure hydrocarbon gasoline with UN 1203 & E-1 to E-94 ethanol-blended fuels with placard UN 3475
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Transportation and Placarding
DOT 111 rail car: – Non-pressure general tank car– Current maximum capacity 34,500 gallons
Copyright 2009, IAFC
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Transportation and Placarding
Rail tanks identified similarly Pressure & vacuum relief devices
same as currently found on gasoline-style transport tankers
Bottom loaded & unloaded by standard 4-inch quick connect / direct connections
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Transportation and Placarding
Valving internal to tanks with breakaway piping & remote shut-off controls
Vapor recovery systems same as currently found on roadway gasoline tankers
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Standard Non-Pressure TankTop Fittings Arrangement — Valves
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Copyright 2009, IAFC
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Standard Non-Pressure TankTop Fittings Arrangement — Manway
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Copyright 2009, IAFC
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Standard Non-Pressure TankBottom Outlet Valve Arrangement
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Copyright 2009, IAFC
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Transportation and Placarding
Most fuel-grade ethanol (E-98, E-95) transported by rail:– Some by waterway & very small amounts by
pipeline– Pipeline concern: corrosiveness – pH between 5 & 6 (slightly corrosive)
Storage depots with no access to rail receive it by road tankers:– Trans-loading
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Transportation and Placarding
NFPA 704 diamond:– Uses colors, numbers, & special symbols
to indicate presence of hazardous materials
– Higher number = greater hazard
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NFPA 704 Diamond
23Copyright 2008, TEEX/ESTI
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Transportation and Placarding
NFPA 704 diamond:– Health: Blue– Flammability: Red– Reactivity: Yellow– Special: White (special notice)
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Transportation and Placarding
NFPA diamond for E-100, E-98, E-95, E-85, & E-10 (gasoline):– 1: Blue health square: slight to
moderate irritation– 0: Reactivity yellow square– 3: Flammability red square: high
flammability with ignition likely under most conditions
– No commonly accepted special character (white)
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NFPA Diamond for E-100, E-95, E-85, and Gasoline
26Copyright 2008, TEEX/ESTI
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Transportation and Placarding
Most hazardous materials incidents occur during transportation & transfer operations
Be aware of areas / routes where large shipments of ethanol & ethanol-blended fuels routinely pass
Fuel-grade ethanol (E-98, E-95) now leading single hazardous material transported by rail
Some refineries now shipping fuel fully blended
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Transportation and Placarding
Most of Midwest & other ethanol production facilities have access to rail sidings, many bulk storage fuel depots do not have rail sidings:– Much of the fuel-grade ethanol is
trans-loaded to tanker trucks for distribution to bulk storage facilities via highways
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Transportation and Placarding
Placards able to indicate high-concentration ethanol-blended fuels:– Does not distinguish between gasoline &
E-10 gasohol– E-10 requires AR foam for emergency
response
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Transportation and Placarding
TRANSCAER:– Voluntary effort– Founded by Union Pacific & Dow
Chemical– Members– Resources may include:
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Activity 3.1 — Ethanol Spill Emergency
Purpose:– To allow participants to determine the
hazards associated with an ethanol emergency.
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Summary
Variety of sources for information about chemicals involved in spill / fire incidents:– MSDS– UN numbers– DOT placards– NFPA 704 placards
Fuel-grade ethanol (E-98, E-95) become leading hazardous material transported by rail:– Transfer commonly occurs via highways