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MSDS Material Safety Data Sheet
CAS

7732-18-5
67-64-1
78-93-3
111-84-2
124-18-5
1120-21-4
112-40-3
629-50-5
629-59-4
629-62-9
544-76-3
629-78-7
593-45-3
112-95-8
629-94-7
629-97-0
638-67-5
95-13-6
6351-10-6
108-95-2
108-39-4
106-44-5
95-48-7
108-68-9
105-67-9
95-87-4

File Name: dakotagas_com---taroilmsds.asp
           GREAT PLAINS SYNFUELS PLANT
420 County Road 26
BEULAH, NORTH DAKOTA 58523-9400
PHONE: 701/873-6857
FAX: 701/873-6875




Material Safety Data Sheet
1. PROCESS STREAM IDENTIFICATION
Tar Oil
PROCESS STREAM NAME:
5100
PROCESS STREAM LOCATION:
PROCESS STREAM A mixture of organic compounds condensed from coal
DESCRIPTION: gasification streams.



2. COMPOSITION / INFORMATION ON INGREDIENTS

Parameter Wt % CAS #
Water 2 7732-18-5

Acetone 0.1 67-64-1
2-Butanone 0.2 78-93-3

Nonane 0.1 111-84-2
Decane 0.2 124-18-5
Undecane 0.3 1120-21-4
Dodecane 0.5 112-40-3
C13- Alkanes/Alkenes 0.7 629-50-5 (tridecane)
C14-Alkanes/alkenes 0.7 629-59-4 (tetradecane)
C15-Alkanes/alkenes 0.6 629-62-9 (pentadecane)
C16 Alkanes/alkenes 0.5 544-76-3 (hexadecane)
C17 Alkane/alkene 0.5 629-78-7 (heptadecane)
C18 Alkane/Alkene 0.5 593-45-3 (octadecane)
C20 Alkanes/alkenes 0.5 112-95-8 (eicosane)
C21 Alkanes/alkenes 0.5 629-94-7 (henicosane)
C22 Alkanes/Alkenes 0.4 629-97-0
C23 Alkanes/alkenes 0.4 638-67-5
C24-C28 Alkanes/alkenes 0.4 Not Specified

Indene 0.5 95-13-6
Methyl Indenes 0.5 Not Specified
PROCESS STREAM NAME: TAR OIL PAGE 1 OF 10
REVISION DATE: 01/29/08
Parameter Wt % CAS #
Indanols 0.5 6351-10-6 (1-indanol)
Methyl indanols 0.3 Not Specified

Phenol 1.6 108-95-2
m/p-Cresols 2.8 108-39-4 (m-cresol)
106-44-5 (p-cresol)
o-Cresol 1.2 95-48-7
3,5-Dimethylphenol plus
3- & 4-Ethylphenol 1.6 108-68-9 (3,5-)
2,4- & 2,5-Dimethylphenols 1.2 105-67-9 (2,4-)
95-87-4 (2,5-)
2,3-Dimethylphenol 0.2 526-75-0
2,6-Dimethylphenol 0.2 576-26-1
2-Ethylphenol 0.3 90-00-6
2,3,6-Trimethylphenol 0.3 2416-94-6

Guaiacol 0.2 90-05-1
Methyl Guaiacols 0.3 Not Specified
C2-Guaiacols 0.2 Not Specified

Benzene 0.4 71-43-2
Toluene 1.2 108-88-3
m-Xylene 0.6 108-38-3

o-Xylene 0.3 95-47-6
p-Xylene 0.1 106-42-3
Ethylbenzene 0.3 100-41-4
3-Ethyltoluene 0.4 620-14-4
1,2,3-Trimethylbenzene 0.4 526-73-8
1,2,4-Trimethylbenzene 0.4 95-63-6

Pyridine 0.1 110-86-1
2-Methylpyridine 0.2 109-06-8
3- & 4-methylpyridine 0.1 108-99-6 (3-methyl)
108-89-4 (4-methyl)
Dibenzofuran 0.8 132-64-9
Methylbenzofurans 0.6 Not Specified
Fluorene 1.4 86-73-7
Methyl fluorene 0.5 Not Specified
Naphthalene 2.5 91-20-3
2-Methylnaphthalene 1.0 91-57-6
1-Methylnaphthalene 0.6 90-12-0
Phenyl naphthalene 0.1 605-02-7
Naphthol 0.4 90-15-3
Methyl naphthols 0.3 Not Specified


PROCESS STREAM NAME: TAR OIL PAGE 2 OF 10
REVISION DATE: 01/29/08
Parameter Wt % CAS #
Biphenyl 0.5 92-52-4
Anthracene 0.8 120-12-7
Phenanthene 2.1 85-01-8

Methyl phenanthrenes
& anthracenes 2.5 Not Specified
Pyrene 0.3 129-00-0
Fluoranthene 0.3 206-44-0
Chrysene 0.1 218-01-9
Methyl dibenzofuran 0.2 Not Specified
Undefined Heavy Boilers (>380掳C) 20-25 Not Specified
Undefined Low Boilers (<380掳C) 15-25 Not Specified

ANALYSIS DATE of PROCESS STREAM: 1/1/98 to 8/15/02 (Stream composition may vary day
to day)

OSHA HAZARDOUS COMPONENTS (29 CFR 1910.1200): EXPOSURE LIMITS 8 hrs. TWA(ppm)
OSHA PEL ACGIH TWA
1000ppm 500ppm
Acetone
200ppm 200ppm
2-Butanone
300ppm STEL
1ppm 0.5ppm
Benzene
5ppm STEL 2.5ppm STEL
200ppm 20ppm
Toluene
300ppm Ceiling
5ppm 5ppm
Pyridine
100ppm 100ppm
Ethylbenzene
100ppm 100ppm
o,m,p-Xylene
None listed 200ppm
n-Nonane
5ppm 5ppm
Phenol
5ppm 5ppm
Cresol (all isomers)
None listed 10ppm
Indene
10ppm 10ppm
Naphthalene
15ppm STEL



PROCESS STREAM NAME: TAR OIL PAGE 3 OF 10
REVISION DATE: 01/29/08
0.2ppm 0.2ppm
Biphenyl
0.2 mg/m3 0.2 mg/m3
Phenanthene: Coal Tar Pitch Volatile
0.2 mg/m3 0.2 mg/m3
Anthracene: Coal Tar Pitch Volatile
0.2 mg/m3 0.2 mg/m3
Pyrene: Coal Tar Pitch Volatile
0.2 mg/m3 0.2 mg/m3
Chrysene: Coal Tar Pitch Volatile




3. HAZARDS IDENTIFICATION / EMERGENCY OVERVIEW
Routes of Entry: Absorption, inhalation, ingestion, skin contact, and eye contact.
Effects of Acute Exposure: This material has a strong corrosive effect on the skin and eyes. The
material can rapidly absorb through the skin and may cause death. Symptoms of exposure may
include nausea, headache, dizziness, respiratory failure, muscular weakness, vomiting, severe
depression, collapse and death. Skin exposure may cause redness, blisters and/or minor to
severe chemical burns. Although the effects are primarily on the central nervous system, excess
accumulation of fluid in the lungs and injury of the kidneys, liver, pancreas, and spleen may occur.
DANGER ! ! ! Rapid DEATH may occur from gross contamination of the body with phenol.
Effects of Chronic Exposure: Respiratory System; Central Nervous System; Skin; Eyes; Lungs;
Kidneys; Liver. Chronic exposure may cause gastrointestinal disturbances (vomiting, anorexia),
nervous disorders (headache, dizziness), dermatitis, or pigmentary disorder. Serious and
sometimes fatal systemic injury can result from chronic exposure.
Many components of this stream are both toxic and carcinogenic. May cause fetal effects.
Additionally, the complex compound is flammable
Adequately trained personnel wearing appropriate personnel protective equipment should only
handle the material.

POTENTIAL HEALTH EFFECTS:
EYE CONTACT: This material has a strong corrosive effect on the eyes. Vapors may irritate
the eyes, producing a burning sensation, redness tearing and inflammation.
Direct contact with the eye may result in mild damage, conjunctivitis and
keratitis, to severe damage, ranging from scarring of the cornea to total
blindness.
May cause allergic skin reaction. May result in reddish colored chemical
SKIN CONTACT:
burns. Hot liquid may cause thermal burns. Certain hazardous components
of the mixture may readily enter the body through the skin in harmful
amounts. Coal tar pitch volatiles are considered photosensitive agents.
May be harmful by inhalation. Material is destructive to tissue of the
INHALATION:
mucous membranes and upper respiratory tract. Symptoms of exposure
may include burning sensation, coughing, wheezing, laryngitis, shortness of
breath, headache, dizziness, nausea, and vomiting.



PROCESS STREAM NAME: TAR OIL PAGE 4 OF 10
REVISION DATE: 01/29/08
May cause irritation to digestive tract. Symptoms may include headache,
INGESTION:
excitement, fatigue, nausea, vomiting, diarrhea, stupor, and coma. May
cause central nervous system depression. May cause rapid heartbeat and
cardiac arrythmia. Symptoms may worsen, ultimately culminating in death.

TARGET Respiratory system, eyes, skin, central nervous system, kidneys, liver,
ORGANS: spleen, bone marrow, immune system, blood, mucous membranes.



4. FIRST AID MEASURES
Flush eyes with fresh water for at least 15 minutes. Occasionally lift the upper
EYES:
and lower eye lids. Seek medical assistance immediately.
Speedy action is of the utmost importance! Immediately remove contaminated
SKIN:
clothing. Wash affected skin with soap and water for at least 15 minutes. Wash
with PEG solution as directed. Seek medical assistance immediately.
Move victim to fresh air at once. Initiate artificial respiration and supply oxygen
INHALATION:
if needed. Keep victim warm and at rest. Seek medical attention. If patient is
conscious, the irritation of the throat may be relieved by water in the mouth.
Seek medical attention immediately.
Do NOT induce vomiting. Wash mouth out with water. If victim is conscious and
INGESTION:
alert, provide water to drink. Administer activated charcoal by as soon as
available. Never give anything by mouth to an unconscious victim.



5. FIRE FIGHTING MEASURES

115 掳F
FLASH POINT:
Not Determined
AUTO-IGNITION TEMPERATURE:
Yields combustible vapors when heated.
FIRE AND EXPLOSION HAZARDS:
Not Determined
UPPER EXPLOSIVE / FIRE LIMITS:
Not Determined
LOWER EXPLOSIVE / FIRE LIMITS:
Water fog, alcohol foam, carbon dioxide, dry
EXTINGUISHING MEDIA:
chemical.
Small fires: Dry chemical, CO2, water spray,
SPECIAL FIRE FIGHTING PROCEDURES:
or foam. Large fires: Water spray, fog, or
foam. Move containers from fire area if this can
be done safely. Cool containers that have
been exposed to heat. Firefighters should wear
a self-contained positive pressure breathing
apparatus, and full protective clothing for fire
fighting. Keep out of low areas. Stay upwind.


PROCESS STREAM NAME: TAR OIL PAGE 5 OF 10
REVISION DATE: 01/29/08
6. ACCIDENTAL RELEASE MEASURES
Persons not wearing protective equipment and clothing
SPILL OR LEAK PROCEDURES:
should be restricted from the area. Ventilate the area.
Large quantities may be absorbed with vermiculite, dry
sand, earth, or similar material and placed in an
appropriate container for disposal. Wash spill site after
material pickup is complete.
Consult federal, state, and local regulations regarding the
WASTE DISPOSAL METHOD:
proper disposal of this material.
290 gallons based on 10 pounds of benzene.
REPORTABLE SPILL QUANTITY:



7. HANDLING AND STORAGE

below 80 F advised
STORAGE TEMPERATURE:
12 months
SHELF LIFE:
may dissolve plastics, rubber gaskets etc.
SPECIAL SENSITIVITY:
Wash thoroughly after handling. Remove contaminated
HANDLING / STORAGE
clothing and wash before reuse. Use appropriate
PRECAUTIONS:
personnel protective equipment. Avoid contact with eyes
and skin. Avoid inhalation by use of appropriate NIOSH
approved respirator. Avoid ingestion.



8. EXPOSURE CONTROLS / PERSONAL PROTECTION

RECOMMENDED Keep work area tidy. Wear appropriate personnel protective
WORK / HYGIENE equipment. Wash thoroughly after handling before eating, smoking,
PROCEDURES: or using toilet facilities.
EYE PROTECTION Prevent eye contact. Use goggles and/or face shield as appropriate
REQUIREMENTS: for the exposure potential.
HAND PROTECTION Impervious gloves: viton, neoprene, PVC. Select the proper glove
REQUIREMENTS: that meets your needs based on glove manufactures advice.
Use impervious materials to prevent all exposures to the skin. Butyl
PROTECTIVE
rubber(IIR), Neoprene(CR), Teflon.
CLOTHING
REQUIREMENTS:


PROCESS STREAM NAME: TAR OIL PAGE 6 OF 10
REVISION DATE: 01/29/08
RESPIRATORY If engineering and administrative controls cannot maintain levels
PROTECTION below suitable exposure limits a chemical cartridge with an organic
vapor with dust/mist prefilter, or supplied air or continuous flow
REQUIREMENTS:
powered air purifying with organic vapor cartridge and a dust/mist
prefilter can be used. Self-contained breathing apparatus with full
facepiece operated in pressure demand or other positive pressure
mode. Supplied airline operated in pressure demand or other
positive pressure with an auxiliary self-contained breathing
apparatus operated in pressure demand or other positive pressure
mode.
Wash hands prior to smoking and eating. Wash off material immediately
WASH
upon contact. Do not wear contaminated clothing. Contaminated
REQUIREMENTS:
clothing should be washed separate from other uncontaminated clothing.



9. PHYSICAL AND CHEMICAL PROPERTIES

A dark brown liquid
APPEARANCE:
Aromatic, musty
ODOR:
Liquid
PHYSICAL STATE:
Not Applicable
pH:
REID VAPOR PRESSURE: 1 psi
40-60 F
MELTING POINT:
210 F
BOILING POINT:
1.034@60F
SPECIFIC GRAVITY:
low: <0.8 (BuAc = 1)
EVAPORATION RATE:
10% volatile to 360 F in D-86 distillation
PERCENT VOLATILES:
insoluble
SOLUBILITY IN WATER:



10. STABILITY AND REACTIVITY

Stable under ordinary conditions of use and storage
INSTABILITY CONDITIONS:
INCOMPATIBILITIES: Strong reducing agents and strong acids.
Will form carbon monoxide, carbon dioxide and other
DECOMPOSITION:
toxic fumes.
Not available.
HAZARDOUS POLYMERIZATION:

PROCESS STREAM NAME: TAR OIL PAGE 7 OF 10
REVISION DATE: 01/29/08
11. TOXICOLOGICAL INFORMATION*

Inhalation, ingestion, skin or eye absorption
ROUTES OF ENTRY:
Eye and respiratory irritant, skin burns. Gross overexposure
EFFECTS OF ACUTE
may result in serious health effects. If treatment is not given
EXPOSURE:
promptly, death can occur.
Breathless, irritable, euphoric or giddy. Irritations of eyes,
SYMPTOMS:
nose and respiratory tract. Headache, dizzy, nauseated, or
intoxicated. Severe exposures may lead to convulsions and
loss of consciousness. Skin can become red, dry, scaly, and
fissured. Persons can become sensitized from skin contact.
Eye tissue may be damaged. Generally, the more serious the
exposure, the more severe the symptoms.
Severe eye irritant. Corrosive. Burns, permanent impairment
EYE EFFECTS:
of vision.
Absorbed through the skin. Corrosive, may cause severe
SKIN EFFECTS:
burns. Primary irritation. Photosensitizer.
This material is considered toxic via the oral route. May be
ACUTE ORAL EFFECTS:
corrosive to the mouth and throat if ingested.
Oral LD50 (Benzene) 18250 mg/kg muskrat.
Oral-Human LDLo (Phenol): 14g/Kg.

ACUTE INHALATION Vapors of this material may be irritating to the nasal and
EFFECTS: respiratory tracts, causing difficulty breathing.
LC50 (Benzene) TCLo 150 ppm human.
LC50 (Phenol) 360 mg/m3 Inhalation-Rat.

TCLo 4400 碌g/m3 (Biphenyl) Inhalation Human Irritant Effects
Photosensitization, dermatitis.
SUBCHRONIC EFFECTS:
CHRONIC EFFECTS / Can damage the liver, kidney, spleen. Components of this
CARCINOGENICITY: mixture are considered by IARC, NTP, and OSHA to be a
carcinogen. Pheneanthrene is a human skin photosensitizer.
Components of this mixture have shown positive mutagenic
MUTAGENICITY:
effects in toxicological testing. Benzene has experimentally
exhibited teratogenic and reproductive effects.

ORGANS AFFECTED BY Repeated skin or respiratory exposure may cause headache,
LONG-TERM EXPOSURE: irritability, insomnia, dizziness, and anemia and eczema.
Kidney, and bladder tumors have been reported from exposure
to Coal Tar Pitch Volatiles. Blood forming organs. Kidney,
liver, pancreas, and spleen.
*Note 鈥? Toxicological information is based on the chemical constituents not the complex mixture.



PROCESS STREAM NAME: TAR OIL PAGE 8 OF 10
REVISION DATE: 01/29/08
12. ECOLOGICAL INFORMATION (Results of Product Released to the Environment)

Benzene: Goldfish LD 50 鈥? 46 mg/l, LD 100 鈥? 34 mg/l 24 hrs.; Rat LD 50 鈥? 5600 鈥?5700 mg/kg
body weight.
Phenol: Trout LC 50 鈥? 11.6 mg/l; Rat LD50 鈥? 0.53g/kg.



13. DISPOSAL CONSIDERATIONS

Recycling/reuse of all tar oil residuals is recommended. Discarded or spill cleanup materials may
be considered hazardous waste as defined under RCRA 40 CFR 261.24 (Benzene D018). Please
be advised that state and local requirements for waste disposal may be more restrictive or
otherwise different from federal regulations. Consult state and local regulations regarding the
proper disposal of this material.



14. TRANSPORTATION INFORMATION
D.O.T. SHIPPING NAME: Toxic liquid, organic, n.o.s. ( Tar oil containing phenol, cresols,
xylenes)
D.O.T. HAZARD CLASS: 6.1
U.N. NUMBER: UN 2810
D.O.T. PLACARD: Toxic
D.O.T. LABEL CODE: Toxic
PACKAGING: Packing group II




15. REGULATORY INFORMATION
All identifiable chemicals are on the TSCA inventory.

CERCLA/SARA

Reportable quantities:
390 gallons for 10 pounds RQ of benzene.

o-Cresol, Phenol are Extremely Hazardous Substances with 500 pound Threshold
Planning Quantities.



PROCESS STREAM NAME: TAR OIL PAGE 9 OF 10
REVISION DATE: 01/29/08
SARA Title III chemicals are benzene, mixed cresols, phenol, toluene, and xylene (mixed
isomers).




LIABILITY DISCLAIMER

The information contained in this Material Safety Data Sheet (MSDS) is believed to be correct
since it was obtained from sources we believe are reliable. However no representation,
guarantees or warranties of any kind are made as to its accuracy, suitability for particular
applications, hazards connected with the use of the material, or the results to be obtained from
the use thereof. User assumes all risks and liability of any use, processing or handling of any
material, variations in methods, conditions and equipment used to store, handle, or process the
material and hazards connected with the use of the material are solely the responsibility of the
user and remain at his sole discretion.

Compliance with all applicable federal, state, and local laws and regulations remains the
responsibility of the user, and the user has the responsibility to provide a safe work place to
examine all aspects of its operation and to determine if or where precautions, in addition to
those described herein, are required.




PROCESS STREAM NAME: TAR OIL PAGE 10 OF 10
REVISION DATE: 01/29/08

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