MATERIAL SAFETY DATA SHEET Klean-Strip Gun Cleaner. 1. Product and Company Identification

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1 1 Product Code: Product Name: Manufacturer Information Company Name: Phone Number: Emergency Contact: Information: Web site address: Preparer Name: Synonyms CGC111 Revision Date: HEALTH * 2 FLAMMABILITY 3 PHYSICAL 0 PPE X Flammability Health 2 3 Instability 0 Special Hazard 1. Product and Company Identification W. M. Barr 2105 Channel Avenue Memphis, TN (901) E 24 Hour Emergency Contact (800) W.M. Barr Customer Service (800) W.M. Barr EHS Dept (901) /18/ Composition/Information on Ingredients Hazardous Components (Chemical Name) CAS # Concentration OSHA TWA ACGIH TWA Other Limits 1. Xylene (mixed isomers) {Benzene, dimethyl-} % 100 ppm 100 ppm 2. Methanol {Methyl alcohol; Carbinol; Wood % 200 ppm 200 ppm alcohol} 3. Acetone {2-Propanone} % 1000 ppm 500 ppm 4. Ethanol, 2-Butoxy- {Ethylene glycol n-butyl % 50 ppm 20 ppm ether, (a glycol ether)} 5. Butyl acetate {n-butyl acetate. Acetic acid, % 150 ppm 150 ppm Butyl ester} 6. Stoddard solvent {Mineral spirits; Aliphatic % 500 ppm 100 ppm Petroleum Distillates; White spirits} 7. Toluene {Benzene, Methyl-; Toluol} % 200 ppm 50 ppm 8. Ethylbenzene {Ethylbenzol; Phenylethane} % 100 ppm 100 ppm Hazardous Components (Chemical Name) CAS # OSHA STEL OSHA CEIL ACGIH STEL ACGIH CEIL 1. Xylene (mixed isomers) {Benzene, dimethyl-} ppm (15 min) 150 ppm 2. Methanol {Methyl alcohol; Carbinol; Wood alcohol} ppm Acetone {2-Propanone} Ethanol, 2-Butoxy- {Ethylene glycol n-butyl ether, (a glycol ether)} Butyl acetate {n-butyl acetate. Acetic acid, Butyl ester} Stoddard solvent {Mineral spirits; Aliphatic Petroleum Distillates; White spirits} Toluene {Benzene, Methyl-; Toluol} ppm/(10min) Ethylbenzene {Ethylbenzol; Phenylethane} ppm 200 ppm 300 ppm 125 ppm

2 3. Hazards Identification 2 Emergency Overview Danger! Poison. Extremely Flammable. May be fatal or cause blindness if swallowed. Skin and eye irritant. Vapor harmful. Keep away from heat, sparks, flame and all other sources of ignition. Vapors may cause flash fire or ignite explosively. Only use with adequate ventilation to prevent buildup of vapors. If the work area is not well ventilated, do not use this product. Keep out of reach of children. Potential Health Effects (Acute and Chronic) This product has not been tested as a whole to determine health effects. The health effects listed below are associated with the individual ingredients listed. INHALATION ACUTE EXPOSURE EFFECTS: Vapor harmful. High concentrations may lead to central nervous system effects, such as drowsiness, dizziness, nausea, headaches, fatigue, paralysis and loss of consciousness and death. High vapor concentrations and mist are irritating to the eyes, nose, throat, and lungs. SKIN CONTACT ACUTE EXPOSURE EFFECTS: Skin irritant. Symptoms may include redness, itching, drying, cracking, and burning of the skin. Repeated or prolonged skin contact can produce moderate irritation and drying of the skin. Passage of this material into the body through the skin is possible, and may add to the toxic effects from breathing or swallowing. EYE CONTACT ACUTE EXPOSURE EFFECTS: This material is an eye irritant. Symptoms include pain, stinging, watering, redness, and swelling. May cause corneal injury. INGESTION ACUTE EXPOSURE EFFECTS: Poison. Cannot be made non-poisonous. Ingestion may irritate the mucous membranes of the mouth, throat, and esophagus. It can be readily absorbed by the stomach and intestinal tract. Symptoms include a burning sensation of the mouth and esophagus, nausea, vomiting, dizziness, staggering gait, loss of balance, drowsiness, loss of consciousness, delirium, and other central nervous system effects. Overexposure to methanol may also cause leg cramps, pain in the abdomen and lower back, blurred vision, shortness of breath, cyanosis (causes blue coloring of the skin and nails from lack of oxygen), visual impairment (including blindness), coma, and death. There is a danger of aspiration into the lungs during vomiting. Aspiration can result in severe lung damage or death. CHRONIC EXPOSURE EFFECTS: Repeated overexposure to xylene has caused a hearing loss in laboratory animals. Repeated overexposure to xylene has produced toxic effects in developing and young laboratory animals. Prolonged or repeated exposure xylene may cause liver and kidney damage. Methanol has caused birth defects in laboratory animals, but only when inhaled at extremely high vapor

3 concentrations. The relevance of this finding to humans is uncertain. 3 Exposure to lethal concentrations of methanol has been shown to cause damage to organs including the liver, kidneys, pancreas, heart, lungs and brain. Although this rarely occurs, survivors of severe intoxication may suffer from permanent neurological damage. Excessive exposure to 2-butoxyethanol in animals has reported to show effects on the blood (hemolysis) and secondary effects on the kidney and liver. Human red blood cells have been shown to be significantly less sensitive to hemolysis than those of rodent and rabbits. In animal studies, 2-butoxyethanol has been toxic to the fetus and shown effects on reproduction in lab animals as doses toxic to the mother. Prolonged or repeated exposure to toluene may cause kidney and liver damage. Reports have associated repeated and prolonged overexposure to solvents with neurological and other physiological damage. Intentional misuse by deliberately concentrating and inhaling solvents may be harmful or fatal. TARGET ORGANS: Kidneys, liver, lungs, mucous membranes, upper respiratory tract, skin, central nervous system, eye, pancreas, heart, brain. Signs and Symptoms Of Exposure See Potential Health Effects. Medical Conditions Generally Aggravated By Exposure Diseases of the blood, skin, eyes, liver, kidneys, lungs, nervous system, respiratory system. May cause disturbances of the heart rhythm. OSHA Regulatory Status: This material is classified as hazardous under OSHA regulations. 4. First Aid Measures Emergency and First Aid Procedures Skin: Immediately begin washing the skin thoroughly with large amounts of water and mild soap, if available, while removing contaminated clothing. Seek medical attention if irritation persists. Eyes: Immediately begin to flush eyes with water, remove any contact lens. Continue to flush the eyes for at least 15 minutes, then seek immediate medical attention. Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get immediate medical attention. Ingestion: If swallowed, do NOT induce vomiting. Seek immediate medical attention. Call a physician, hospital emergency room, or poison control center immediately. Never give anything by mouth to an unconscious person. te to Physician Poison. This product contains methanol. This product contains methanol which can cause intoxication and central nervous system depression. Methanol is metabolized to formic acid and formaldehyde. These metabolites can cause metabolic acidosis, visual disturbances and blindness. Since metabolism is required for these toxic symptoms, their onset may be delayed from 6 to 30 hours following ingestion. Ethanol competes for the same metabolic pathway and has been used to

4 prevent methanol metabolism. Ethanol administration is indicated in symptomatic patients or at blood methanol concentrations above 20 ug/dl. Methanol is effectively removed by hemodialysis. 5. Fire Fighting Measures Flammability Classification: IB Flash Pt: < 20 F Method Used: Setaflash Closed Cup (Rapid Setaflash) Explosive Limits: LEL: UEL: Autoignition Pt: data available. Fire Fighting Instructions Self-contained respiratory protection should be provided for fire fighters fighting fires in buildings or confined areas. Storage containers exposed to fire should be kept cool with water spray to prevent pressure build-up. Stay away from heads of containers that have been exposed to intense heat or flame. Flammable Properties and Hazards Danger! Extremely Flammable! Keep away from heat, sparks, flame, and all other sources of ignition. Vapors may cause flash fire or ignite explosively. Vapors may travel long distances to other areas and rooms away from work site. Do not smoke. Extinguish all flames and pilot lights, and turn off stoves, heaters, electric motors and all other sources of ignition during use and until all vapors are gone. Beware of static electricity that may be generated by synthetic clothing, transfering, and moving of product. Keep away from electrical outlets and switches. Hazardous Combustion Products Combustion may produce carbon monoxide and carbon dioxide. Extinguishing Media Use carbon dioxide, dry powder, or foam. Unsuitable Extinguishing Media data available. 6. Accidental Release Measures Steps To Be Taken In Case Material Is Released Or Spilled Vapors may cause flash fire or ignite explosively. 4 Clean up: Keep unnecessary people away; isolate hazard area and deny entry. Stay upwind, out of low areas, and ventilate closed spaces before entering. Shut off ignition sources; keep flares, smoking or flames out of hazard area. Use non-sparking tools. Use proper bonding and grounding methods for all equipment and processes. Keep out of waterways and bodies of water. Be cautious of vapors collecting in small enclosed spaces, sewers, low lying areas, confined spaces, etc. Small spills: Take up with sand, earth or other noncombustible absorbent material and place in a plastic container where applicable. Large spills: Dike far ahead of spill for later disposal. Waste Disposal: Dispose in accordance with applicable local, state and federal regulations. 7. Handling and Storage Precautions To Be Taken in Handling Read carefully all cautions and directions on product label before use. Since empty container retains residue, follow all label warnings even after container is empty. Dispose of empty container according to all regulations. Do not reuse this container.

5 Do not use this product near any source of heat or open flame, furnace areas, pilot lights, stoves, etc. 5 Do not use in small enclosed spaces, such as basements and bathrooms. Vapors can accumulate and explode if ignited. Do not spread this product over large surface areas because fire and health safety risks will increase dramatically. Use only with adequate ventilation to prevent a build up of vapors. If the work area is not well ventilated, do not use this product. Precautions To Be Taken in Storing Keep container tightly closed when not in use. Store in a cool, dry place. Do not store near flames or at elevated temperatures. 8. Exposure Controls/Personal Protection Respiratory Equipment (Specify Type) For use in areas with inadequate ventilation or fresh air, wear a properly maintained and properly fitted NIOSH approved respirator for organic solvent vapors. For OSHA controlled work places and other regular users - Use only with adequate ventilation under engineered air control systems designed to prevent exceeding the appropriate TLV. A dust mask does not provide protection against vapors. Eye Protection Safety glasses, chemical goggles, or face shields are recommended to safeguard against potential eye contact, irritation, or injury. Contact lenses should not be worn while working with chemicals. Protective Gloves Wear gloves with as much resistance to the chemical ingredients as possible. Glove materials such as nitrile rubber may provide protection. Glove selection should be based on chemicals being used and conditions of use. Consult your glove supplier for additional information. Gloves contaminated with product should be discarded and not reused. Other Protective Clothing Various application methods can dictate use of additional protective safety equipment, such as impermeable aprons, etc., to minimize exposure. Engineering Controls (Ventilation etc.) Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Use only with adequate ventilation to prevent buildup of vapors. Do not use in areas where vapors can accumulate and concentrate, such as basements, bathrooms or small enclosed areas. Whenever possible, use outdoors in an open air area. If using indoors open all windows and doors and maintain a cross ventilation of moving fresh air across the work area. If strong odor is noticed or you experience slight dizziness, headache, nausea or eye-watering -- STOP -- ventilation is inadequate. Leave area immediately and move to fresh air. If the work area is not well ventilated, do not use this product. Work/Hygienic/Maintenance Practices A source of clean water should be available in the work area for flushing of the eyes and skin. Wash hands thoroughly after use. Do not eat, drink, or smoke in the work area.

6 6 Before reuse, thoroughly clean any clothing or protective equipment that has been contaminated by prior use. Discard any clothing or other protective equipment that cannot be decontaminated, such as gloves or shoes. 9. Physical and Chemical Properties Physical States: [ ] Gas [ X ] Liquid [ ] Solid Melting Point: Boiling Point: 100 F F Autoignition Pt: Flash Pt: < 20 F Method Used: Setaflash Closed Cup (Rapid Setaflash) Specific Gravity (Water = 1): Density: 6.84 LB/GL Vapor Pressure (vs. Air or mm Hg): 27 MM HG at 68 F Vapor Density (vs. Air = 1): > 1 Evaporation Rate: < 1 Solubility in Water: Percent Volatile: 99 % by weight. VOC / Volume: <= 530 G/L HAP / Volume: Appearance and Odor 43 % WT Golden Yellow Transparent Liquid 10. Stability and Reactivity Stability: Conditions To Avoid - Instability data available. Incompatibility - Materials To Avoid Unstable [ ] Stable [ X ] Strong acids, alkalies, and oxidizers. Avoid contact with reactive metals such as aluminum and magnesium. Hazardous Decomposition Or Byproducts Decomposition may produce carbon monoxide and carbon dioxide, oxides of nitrogen, aldehydes, ketones, organic acids, and unidentified organic compounds in black smoke. Hazardous Polymerization: Will occur [ ] Will not occur [ X ] Conditions To Avoid - Hazardous Polymerization data available. 11. Toxicological Information Toxicological Information This product has not been tested as a whole. Information below will be for individual ingredients. Methanol: LD50 Rat oral 5628 mg/kg LC50 Rat inhalation 87.5 mg/l/6 hr NEUROTOXICITY: Overexposure to methanol has been suggested as causing central nervous system damage in laboratory animals. DEVELOPMENTAL/REPRODUCTIVE: The inhalation of methanol by pregnant rodents throughout the period of embryogenesis induces a wide range of concentration-dependent teratogenic and embryolethal effects. Methanol has caused birth defects in laboratory animals, but only when inhaled at extremely high vapor concentrations. The relevance of this finding to humans is uncertain.

7 7 Toluene: LD50 Rat oral 2.6 to 7.5 g/kg LD50 Rabbit dermal 14.1 ml/kg LC50 Mice inhalation 5320 ppm/8 hr Acetone: LD50 Rat oral 10.7 ml/kg (=8450 mg/kg bw); acetone given by gastric intubation to groups of five non-fasted Carworth-Wistar female rats LD50 Rat oral 9800 mg/kg/ bw LC50 Rat inhalation exposure 76 mg/l/4 hr LD50 Rabbit dermal 20 mg/kg bw 2-Butoxyethanol: LD50 Rat oral 1.48 g/kg LD50 Mouse oral 1.2 g/kg LD50 Rabbit oral 0.32 g/kg LD50 Rabbit dermal 400 mg/kg LC50 Rat (male) inhalation 486 ppm/4 hr /from table/ LC50 Mouse inhalation 700 ppm/7 hr /from table/ Mineral Spirits: Dermal LD50 Rabbit 2,000-4,000 mg/kg Inhalation LC50 > 6.8 mg/l Xylene: LD50 Rat oral 4.3 g/kg LD50 Rat oral 10 ml/kg /Xylene/ LC50 Rat inhalation 6,350 ppm/4 hr LD50 Rabbit dermal > 5 ml/kg (43 g/kg). /Mixed Xylenes Ethylbenzene: ACUTE TOXICITY: LD50 Rat oral 3,500 mg/kg LD50 Rabbit skin 17,800 mg/kg Ethylbenzene has low acute and chronic toxicity for both animals and humans. NEUROTOXICITY: It is toxic to the central nervous system. CARCINOGEN STATUS: IARC 2B - Possibly Carcinogenic to Humans; ACGIH A3 - Confirmed Animal Carcinogen with Unknown Relevance to Humans Butyl Acetate: Oral LD50 Rat 14,130 mg/kg Inhalation LC50 Rat 6 Hr > 1,800 ppm Dermal LD50 Guinea Pig 8,770 mg/kg CAS# : Acute toxicity, LD50, Oral, Rat, MG/KG. Liver: Other changes. Kidney, Ureter, Bladder:Other changes.

8 - AMA Archives of Industrial Health., For publisher information, see AEHLAU, Chicago, IL, Vol/p/yr: 14,387, Acute toxicity, LC50, Inhalation, Rat, PPM, 4 H. Behavioral: Muscle contraction or spasticity. Lungs, Thorax, or Respiration:Other changes. - Raw Material Data Handbook, Vol.1: Organic Solvents, 1974., National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Labor, Lehigh Univ., Bethlehem, PA 18015, Vol/p/yr: 1,123, 1974 Acute toxicity, LD50, Skin, Species: Rabbit, MG/KG. Kidney, Ureter, Bladder: Changes in bladder weight. Nutritional and Gross Metabolic:Weight loss or decreased weight gain. Biochemical:Enzyme inhibition, induction, or change in blood or tissue levels: Transaminases. - Raw Material Data Handbook, Vol.1: Organic Solvents, 1974., National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Labor, Lehigh Univ., Bethlehem, PA 18015, Vol/p/yr: 1,123, 1974 Standard Draize Test, Skin, Species: Rabbit, MG, 24 H, Moderate. Reproductive: Other effects on female. Effects on Newborn: Other neonatal measures or effects. Effects on Embryo or Fetus: Other effects to embryo. - "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,", Institut Pro Vychovu Vedoucicn P, Marhold, J.V., Institut Pro Vychovu Vedoucicn, Pracovniku Chemickeho, Prumyclu Praha Czechoslovakia, Vol/p/yr: -,24, 1972 Standard Draize Test, Eyes, Species: Rabbit, MG, 24 H, Severe. Behavioral: General anesthetic. Behavioral: Somnolence (general depressed activity). Behavioral: Irritability. - "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,", Institut Pro Vychovu Vedoucicn P, Marhold, J.V., Institut Pro Vychovu Vedoucicn, Pracovniku Chemickeho, Prumyclu Praha Czechoslovakia, Vol/p/yr: -,24, 1972 CAS# : Reproductive Effects:, TDLo, Oral, Rat, ml/kg, 21 day after birth. Effects on Newborn: Behavioral. - Neurotoxicology and Teratology., Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523, Vol/p/yr: 24,519, 2002 Mutagenicity:, Mutation test: DNA damage., Oral, Rat, UMOL/KG. Tumorigenic: Equivocal tumorigenic agent by RTECS criteria. Tumorigenic:Tumors at site of application.

9 - Environmental Mutagenesis., For publisher information, see EMMUEG, New York, NY, Vol/p/yr: 4,317, Acute toxicity, LD50, Oral, Rat, MG/KG. Effects on Embryo or Fetus: Fetotoxicity (except death, e.g., stunted fetus). - Gigiena Truda i Professional'nye Zabolevaniya.(Labor Hygiene and Occupational Disease), V/O Mezhdunarodnaya Kniga, Moscow Russia, Vol/p/yr: 19(11),27, 1975 Acute toxicity, LC50, Inhalation, Rat, PPM, 4 H. Behavioral: Altered sleep time (including change in righting reflex). Behavioral: Somnolence (general depressed activity). Lungs, Thorax, or Respiration:Dyspnea. - Raw Material Data Handbook, Vol.1: Organic Solvents, 1974., National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Labor, Lehigh Univ., Bethlehem, PA 18015, Vol/p/yr: 1,74, 1974 Acute toxicity, TDLo, Oral, Rat, gm/kg. Liver: Other changes. - Toxicologist., Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311, Vol/p/yr: 72,315, 2003 Standard Draize Test, Skin, Species: Rabbit, MG, 24 H, Moderate. Blood:Other changes. Biochemical: Metabolism (Intermediary): Other proteins. - Prehled Prumyslove Toxikologie, Marhold, J., Organicke Latky, Prague Czechoslovakia, Vol/p/yr: -,187, 1986 Standard Draize Test, Eyes, Species: Rabbit, MG, Moderate. Blood:Other hemolysis with or withot anemia. Blood:Other changes. Biochemical: Metabolism (Intermediary): Other proteins. - Union Carbide Data Sheet, Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817, Vol/p/yr: 3/24, 1970 Standard Draize Test, Eyes, Species: Rabbit, MG, 24 H, Moderate. Blood:Changes in serum composition (e.g. Biochemical:Enzyme inhibition, induction, or change in blood or tissue levels: Phosphatases. Biochemical:Enzyme inhibition, induction, or change in blood or tissue levels: Transaminases. - Prehled Prumyslove Toxikologie, Marhold, J., Organicke Latky, Prague Czechoslovakia, Vol/p/yr: -,187, 1986 CAS# : Reproductive Effects:, TDLo, Oral, Rat, GM/KG, male 13 week(s) pre-mating. Paternal Effects: Spermatogenesis (including genetic material, sperm morphology,motility, and count). - National Technical Information Service, Vol/p/yr: PB , Mutagenicity:, Mutation test: Cytogenetic analysis., Species: Hamster, GM/L, Cell Type: fibroblast.

10 10 Behavioral: Coma. Gastrointestinal: Alteration in gastric secretion. - Food and Chemical Toxicology., Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523, Vol/p/yr: 22,623, 1984 Acute toxicity, LD50, Oral, Rat, MG/KG. Behavioral: Altered sleep time (including change in righting reflex). Behavioral: Tremor. - Journal of Toxicology and Environmental Health., Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005, Vol/p/yr: 15,609, 1985 Acute toxicity, LC50, Inhalation, Rat, MG/M3, 8 H. Behavioral: Convulsions or effect on seizure threshold. Behavioral: Coma. Nutritional and Gross Metabolic:Changes in:body temperature decrease. - American Industrial Hygiene Association Journal., AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311, Vol/p/yr: 20,364, 1959 Standard Draize Test, Skin, Species: Rabbit, MG, 24 H, Mild. Nutritional and Gross Metabolic:Weight loss or decreased weight gain. - Prehled Prumyslove Toxikologie, Marhold, J., Organicke Latky, Prague Czechoslovakia, Vol/p/yr: -,280, 1986 Standard Draize Test, Eyes, Species: Rabbit, MG, 24 H, Moderate. Behavioral: Change in motor activity (specific assay). Behavioral: Alteration of classical conditioning. - Prehled Prumyslove Toxikologie, Marhold, J., Organicke Latky, Prague Czechoslovakia, Vol/p/yr: -,280, 1986 CAS# : Mutagenicity:, Mutation test: DNA damage., Route of Application: Unreported., Mouse, mg/kg. Effects on Newborn: Live birth index (# fetuses per litter; measured after birth). Effects on Newborn: Growth statistics (e.g., reduced weight gain). - Toxicologist., Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311, Vol/p/yr: 66,306, 2002 Acute toxicity, LD50, Oral, Rat, MG/KG. Effects on Embryo or Fetus: Fetotoxicity (except death, e.g., stunted fetus). - Dow Chemical Company Reports., Dow Chemical USA, Health and Environment Research, Toxicology Research Lab, Midland, MI 48640, Vol/p/yr: MSD-46, Acute toxicity, LC50, Inhalation, Rat, PPM, 4 H. Behavioral: Ataxia. Nutritional and Gross Metabolic:Weight loss or decreased weight gain.

11 11 - Toxicology and Applied Pharmacology, Academic Press, Inc., 1 E. First St., Duluth, MN 55802, Vol/p/yr: 68,405, 1983 Standard Draize Test, Eyes, Species: Rabbit, MG, Severe. Effects on Newborn: Apgar score (human only). Effects on Newborn: Other neonatal measures or effects. Effects on Newborn: Drug dependency. - American Journal of Ophthalmology., Ophthalmic Pub. Co., 435 N. Michigan Ave., Suite 1415, Chicago, IL 60611, Vol/p/yr: 29,1363, 1946 CAS# : Acute toxicity, LD (Lethal dose), Oral, Rat, GM/KG. Behavioral: Somnolence (general depressed activity). - Acute Toxicity Data. Journal of the American College of Toxicology, Part B., Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128, Vol/p/yr: 1,32, 1990 Acute toxicity, LC (Lethal concentration), Inhalation, Rat, MG/M3, 4 H. Behavioral: Somnolence (general depressed activity). - Acute Toxicity Data. Journal of the American College of Toxicology, Part B., Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128, Vol/p/yr: 1,32, 1990 Standard Draize Test, Eyes, Species: Rabbit, MG, 24 H, Moderate. Brain and Coverings: Changes in surface EEG. Blood:Changes in serum composition (e.g. Related to Chronic Data - changes in testicular weight. - Acute Toxicity Data. Journal of the American College of Toxicology, Part B., Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128, Vol/p/yr: 1,32, 1990 CAS# : Mutagenicity:, Mutation test: Sister chromatid exchange., Inhalation, Human, g/l. Effects on Newborn: Behavioral. - Mutation Research., Elsevier Science Pub. B.V., POB 211, 1000 AE, Amsterdam Netherlands, Vol/p/yr: 519,171, 2002 Acute toxicity, LD50, Oral, Rat, MG/KG. Behavioral: Convulsions or effect on seizure threshold. Behavioral: Coma. Lungs, Thorax, or Respiration: Respiratory stimulation. - Neurotoxicology., Intox Press, Inc., POB 34075, Little Rock, AR 72203, Vol/p/yr: 2,567, 1981 Acute toxicity, LC50, Inhalation, Rat, GM/M3, 4 H.

12 Effects on Embryo or Fetus: Fetotoxicity (except death, e.g., stunted fetus). - Gigiena Truda i Professional'nye Zabolevaniya.(Labor Hygiene and Occupational Disease), V/O Mezhdunarodnaya Kniga, Moscow Russia, Vol/p/yr: 32(10),23, Standard Draize Test, Eyes, Human, PPM. Effects on Embryo or Fetus: Fetotoxicity (except death, e.g., stunted fetus). - Journal of Industrial Hygiene and Toxicology, Vol/p/yr: 25,282, 1943 CAS# : Mutagenicity:, Mutation test: Mutation in mammalian somatic cells., Mouse, MG/L, Cell Type: lymphocyte.. Behavioral: Alteration of operant conditioning. Behavioral: Changes in psychophysiological tests. - Environmental and Molecular Mutagenesis., Alan R. Liss, Inc., 41 E. 11th St, New York, NY 10003, Vol/p/yr: 12,85, 1988 Acute toxicity, LD50, Oral, Rat, MG/KG. Liver: Other changes. Kidney, Ureter, Bladder:Other changes. - AMA Archives of Industrial Health., For publisher information, see AEHLAU, Chicago, IL, Vol/p/yr: 14,387, 1956 Acute toxicity, LD50, Skin, Species: Rabbit, UL/KG. Effects on Newborn: Physical. Effects on Newborn: Other postnatal measures or effects. - Food and Cosmetics Toxicology., For publisher information, see FCTOD7, London United Kingdom, Vol/p/yr: 13,803, 1975 Acute toxicity, LC50, Inhalation, Rabbit, ppm. Behavioral: Ataxia. Behavioral: Alteration of classical conditioning. Open irritation test., Skin, Species: Rabbit, MG, 24 H, Mild. Effects on Newborn: Viability index (e.g., # alive at day {4} per # born alive). Effects on Newborn: Weaning or lactation index (e.g., # alive at weaning per # alive at day {4)}. Effects on Newborn: Biochemical and metabolic. - American Industrial Hygiene Association Journal., AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311, Vol/p/yr: 23,95, 1962 Standard Draize Test, Eyes, Species: Rabbit, MG, Severe. Effects on Fertility: Post-implantation mortality (e.g., dead and/or resorbed implants per total number of implants).

13 13 Effects on Fertility: Litter size (e.g.; # fetuses per litter; measured before birth). Effects on Embryo or Fetus: Fetotoxicity (except death, e.g., stunted fetus). - American Journal of Ophthalmology., Ophthalmic Pub. Co., 435 N. Michigan Ave., Suite 1415, Chicago, IL 60611, Vol/p/yr: 29,1363, 1946 Chronic Toxicological Effects See above Carcinogenicity/Other Information IARC 3: t Classifiable as to Carcinogenicity in Humans IARC 2B - Possibly Carcinogenic to Humans ACGIH A3 - Confirmed Animal Carcinogen with Unknown Relevance to Humans ACGIH A4 - t Classifiable as a Human Carcinogen. Hazardous Components (Chemical Name) CAS # NTP IARC ACGIH OSHA 1. Xylene (mixed isomers) {Benzene, dimethyl-} A4 2. Methanol {Methyl alcohol; Carbinol; Wood alcohol} Acetone {2-Propanone} Ethanol, 2-Butoxy- {Ethylene glycol n-butyl ether, (a glycol ether)} Butyl acetate {n-butyl acetate. Acetic acid, Butyl ester} Stoddard solvent {Mineral spirits; Aliphatic Petroleum Distillates; White spirits} Toluene {Benzene, Methyl-; Toluol} Ethylbenzene {Ethylbenzol; Phenylethane} General Ecological Information information available for this product as a whole. A4 3 A3 12. Ecological Information 3 A4 2B A3 Methanol: Methanol is of low toxicity to aquatic organisms. LC50 Pimephales promelas (fathead minnows) 29.4 g/l/96 hr, (28-29 days old), Mineral Spirits: Potentially toxic to freshwater and saltwater ecosystems. Acetone: LC50 Rainbow trout 5,540 mg/l 96 hr LC50 Rainbow trout 6100 mg/l for 24 hr LC50 Fathead minnow 8,120 mg/l/ 96 h 2-Butoxyethanol: LC50, rainbow trout, 96 hr, 1,700 mg/l LC50, water flea, 835 mg/l Xylene: LD50 Goldfish 13 mg/l 24 hr

14 LC50 Rainbow trout 13.5 mg/l 96 hr LC50 Fathead minnow 46 mg/l/1 hr; 42 mg/l hr MATERIAL SAFETY DATA SHEET 14 Ethylbenzene: LC50 Lepomis macrochirus 32 mg/l 96 hr LC50 Carassius auratus mg/l 96 hr LC50 fathead minnow 12.1 mg/l 96 hr Butyl acetate: LC50, bluegill sunfish, 96 hr, 100 mg/l LC50, tidewater silverside, 96 hr, 185 mg/l LC50, daphnid, 96 h, mg/l Toluene: LC50 bluegill 13 mg/l 96 hr LC50 fathead minnow mg/l hr Results of PBT and vpvb assessment CAS# : LC50, Fathead Minnow (Pimephales promelas), UG/L, 96 H, Mortality, Water temperature: 24 C C, ph: 7.30, Hardness: MG/L. Affected fish stopped schooling behavior. - Acute Toxicities of Organic Chemicals to Fathead Minnows (Pimephales promelas), Volume 5, Geiger, D.L., L.T. Brooke, and D.J. Call, 1990 LC50, Fathead Minnow (Pimephales promelas), UG/L, 24 H, Mortality, Water temperature: 25 C C, ph: 7.50, Hardness: MG/L. - Acute Toxicity of Some Important Petrochemicals to Fish, Pickering, Q.H., and C. Henderson, 1966 LC50, Fathead Minnow (Pimephales promelas), UG/L, 48 H, Mortality, Water temperature: 25 C C, ph: 7.50, Hardness: MG/L. - Acute Toxicity of Some Important Petrochemicals to Fish, Pickering, Q.H., and C. Henderson, 1966 LC50, Water Flea (Daphnia magna), UG/L, 24 H, Mortality, Water temperature: 21 C - 25 C C.

15 - Toxicity of Selected Chemicals to Certain Animals, Dowden, B.F., and H.J. Bennett, CAS# : LC50, Fathead Minnow (Pimephales promelas), MG/L, 24 H, Mortality, Water temperature: 25 C C. Sex Effects. - Toxicity and Metabolism Studies with EPA (Environmental Protection Agency) Priority Pollutants and Related Chemicals in Freshwater Organisms, Call, D.J., L.T. Brooke, N. Ahmad, and J.E. Richter, 1983 LC50, Fathead Minnow (Pimephales promelas), MG/L, 48 H, Mortality, Water temperature: 25 C C. Sex Effects. - Toxicity and Metabolism Studies with EPA (Environmental Protection Agency) Priority Pollutants and Related Chemicals in Freshwater Organisms, Call, D.J., L.T. Brooke, N. Ahmad, and J.E. Richter, 1983 LC50, Fathead Minnow (Pimephales promelas), MG/L, 96 H, Mortality, Water temperature: 25 C C. Sex Effects. - Toxicity and Metabolism Studies with EPA (Environmental Protection Agency) Priority Pollutants and Related Chemicals in Freshwater Organisms, Call, D.J., L.T. Brooke, N. Ahmad, and J.E. Richter, 1983 LC50, Water Flea (Daphnia magna), larva(e), UG/L, 96 H, Mortality, Water temperature: 20 C C, ph: Sex Effects. - Simultaneous Evaluation of the Acute Effects of Chemicals on Seven Aquatic Species, Ewell, W.S., J.W. Gorsuch, R.O. Kringle, K.A. Robillard, and R.C. Spiegel, 1986 LC50, Water Flea (Daphnia magna), neonate, MG/L, 24 H, Mortality, Water temperature: 20 C C. - Acute Toxicity Test with Daphnia magna: An Alternative to Mammals in the Prescreening of Chemical Toxicity?, Guilhermino, L., T. Diamantino, M.C. Silva, and A.M.V.M. Soares, 2000 LC50, Water Flea (Daphnia magna), neonate, MG/L, 48 H, Mortality, Water temperature: 20 C C. - Acute Toxicity Test with Daphnia magna: An Alternative to Mammals in the Prescreening of Chemical Toxicity?, Guilhermino, L., T. Diamantino, M.C. Silva, and A.M.V.M. Soares, 2000 CAS# : LC50, Fathead Minnow (Pimephales promelas), UG/L, 24 H, Mortality, Water temperature: 23 C - 28 C C, ph: 7.10, Hardness: MG/L. Sex Effects. - Estimates of " Effect" Concentrations of Selected Pesticides in Freshwater Organisms, Call, D.J., L.T. Brooke, and N. Ahmad, 1981

16 16 LC50, Fathead Minnow (Pimephales promelas), UG/L, 48 H, Mortality, Water temperature: 23 C - 28 C C, ph: 7.10, Hardness: MG/L. - Estimates of " Effect" Concentrations of Selected Pesticides in Freshwater Organisms, Call, D.J., L.T. Brooke, and N. Ahmad, 1981 LC50, Fathead Minnow (Pimephales promelas), juvenile(s), UG/L, 96 H, Mortality, Water temperature: 20 C C, ph: Affected fish became hypoactive. Affected fish lost equilibrium prior to death. - Simultaneous Evaluation of the Acute Effects of Chemicals on Seven Aquatic Species, Ewell, W.S., J.W. Gorsuch, R.O. Kringle, K.A. Robillard, and R.C. Spiegel, 1986 LC50, Water Flea (Daphnia magna), UG/L, 24 H, Mortality, Water temperature: 21 C - 25 C C. - Toxicity of Selected Chemicals to Certain Animals, Dowden, B.F., and H.J. Bennett, 1965 LC50, Water Flea (Daphnia magna), UG/L, 48 H, Mortality, Water temperature: 21 C - 25 C C. - Toxicity of Selected Chemicals to Certain Animals, Dowden, B.F., and H.J. Bennett, 1965 LC50, Water Flea (Daphnia magna), larva(e), UG/L, 96 H, Mortality, Water temperature: 20 C C, ph: Simultaneous Evaluation of the Acute Effects of Chemicals on Seven Aquatic Species, Ewell, W.S., J.W. Gorsuch, R.O. Kringle, K.A. Robillard, and R.C. Spiegel, 1986 CAS# : LC50, Water Flea (Daphnia magna), MG/L, 24 H, Intoxication,, Water temperature: 20 C - 22 C C, ph: 7.70, Hardness: dh. - Results of the Damaging Effect of Water Pollutants on Daphnia magna (Befunde der Schadwirkung Wassergefahrdender Stoffe Gegen Daphnia magna), Bringmann, G., and R. Kuhn, 1977 CAS# : LC50, Fathead Minnow (Pimephales promelas), UG/L, 96 H, Mortality, Water temperature: 26 C C, ph: 7.60, Hardness: MG/L. - Acute Toxicities of Organic Chemicals to Fathead Minnows (Pimephales promelas), Volume 5, Geiger, D.L., L.T. Brooke, and D.J. Call, 1990

17 17 LC50, Water Flea (Daphnia magna), UG/L, 24 H, Mortality, Water temperature: 22 C C, ph: 8.10, Hardness: MG/L. - Acute Toxicity of Priority Pollutants to Water Flea (Daphnia magna), LeBlanc, G.A., 1980 CAS# : LC50, Fathead Minnow (Pimephales promelas), UG/L, 96 H, Mortality, Water temperature: 22 C C, ph: 7.20, Hardness: MG/L. Affected fish stopped schooling behavior. Affected fish became hypoactive. Fish were underreactive to external stimuli. Affected fish lost equilibrium prior to death. - Acute Toxicities of Organic Chemicals to Fathead Minnows (Pimephales promelas), Volume 5, Geiger, D.L., L.T. Brooke, and D.J. Call, 1990 LC50, Fathead Minnow (Pimephales promelas), UG/L, 48 H, Mortality, Water temperature: 25 C C, ph: 7.50, Hardness: MG/L. Affected fish stopped schooling behavior. - Acute Toxicity of Some Important Petrochemicals to Fish, Pickering, Q.H., and C. Henderson, 1966 LC50, Fathead Minnow (Pimephales promelas), UG/L, 24 H, Mortality, Water temperature: 25 C C, ph: 8.20, Hardness: MG/L. Affected fish stopped schooling behavior. - Acute Toxicity of Some Important Petrochemicals to Fish, Pickering, Q.H., and C. Henderson, 1966 LC50, Water Flea (Daphnia magna), UG/L, 24 H, Mortality, Water temperature: 22 C C, ph: 8.10, Hardness: MG/L. Affected fish became hypoactive. Affected fish lost equilibrium prior to death. - Acute Toxicity of Priority Pollutants to Water Flea (Daphnia magna), LeBlanc, G.A., 1980 LC50, Water Flea (Daphnia magna), neonate, UG/L, 48 H, Mortality, Water temperature: 20 C - 22 C C, ph: The Comparative Toxicity of Crude and Refined Oils to Daphnia magna and Artemia, MacLean, M.M., and K.G. Doe, Disposal Considerations Waste Disposal Method Dispose in accordance with applicable local, state, and federal regulations.

18 14. Transport Information 18 LAND TRANSPORT (US DOT) DOT Proper Shipping Name DOT Hazard Class: DOT Hazard Label: UN/NA Number: Packing Group: COMPOUNDS, CLEANING LIQUID, (CONTAINS TOLUENE, XYLENE). 3 FLAMMABLE LIQUID 1993 II Additional Transport Information For DOT information, contact W.M. Barr Technical Services. US EPA SARA Title III 15. Regulatory Information Hazardous Components (Chemical Name) CAS # 1. Xylene (mixed isomers) {Benzene, dimethyl-} Sec.302 (EHS) Sec.304 RQ Sec.313 (TRI) Sec LB 2. Methanol {Methyl alcohol; Carbinol; Wood LB alcohol} 3. Acetone {2-Propanone} LB 4. Ethanol, 2-Butoxy- {Ethylene glycol n-butyl Cat. N230 ether, (a glycol ether)} 5. Butyl acetate {n-butyl acetate. Acetic acid, LB Butyl ester} 6. Stoddard solvent {Mineral spirits; Aliphatic Petroleum Distillates; White spirits} 7. Toluene {Benzene, Methyl-; Toluol} LB 8. Ethylbenzene {Ethylbenzol; Phenylethane} LB Other US EPA or State Lists Hazardous Components (Chemical Name) CAS # 1. Xylene (mixed isomers) {Benzene, dimethyl-} CAA HAP,ODC CWA NPDES TSCA CA PROP.65 HAP Inventory 2. Methanol {Methyl alcohol; Carbinol; Wood HAP Inventory alcohol} 3. Acetone {2-Propanone} Inventory, 4 Test 4. Ethanol, 2-Butoxy- {Ethylene glycol n-butyl HAP Inventory ether, (a glycol ether)} 5. Butyl acetate {n-butyl acetate. Acetic acid, Inventory, 4 Test Butyl ester} 6. Stoddard solvent {Mineral spirits; Aliphatic Inventory Petroleum Distillates; White spirits} 7. Toluene {Benzene, Methyl-; Toluol} HAP Inventory, 8A CAIR 8. Ethylbenzene {Ethylbenzol; Phenylethane} HAP Inventory, 4 Test EPA Hazard Categories: This material meets the EPA 'Hazard Categories' defined for SARA Title III Sections 311/312 as indicated: [X] [ ] Acute (immediate) Health Hazard [X] [ ] Chronic (delayed) Health Hazard [X] [ ] Fire Hazard [ ] [X] Sudden Release of Pressure Hazard [ ] [X] Reactive Hazard

19 16. Other Information 19 Company Policy or Disclaimer The information contained herein is presented in good faith and believed to be accurate as of the effective date shown above. This information is furnished without warranty of any kind. Employers should use this information only as a supplement to other information gathered by them and must make independent determination of suitability and completeness of information from all sources to assure proper use of these materials and the safety and health of employees. Any use of this data and information must be determined by the user to be in accordance with applicable federal, state and local laws and regulations.