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1 The following list contains the Material Safety Data Sheets you requested. Please scoll down to view the requested MSDS(s). Product MSDS Distributor Format Language Quantity LPV LZW Hach Company OSHA English 1 LPV CR1225MC Hach Company OSHA English 1 LPV CR1225MC Hach Company OSHA English 1 Total Enclosures: 3

2 World Headquarters Hach Company P.O.Box 389 Loveland, CO USA (970) MSDS No: M02741 MATERIAL SAFETY DATA SHEET 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION Product Name: 5120, DO Electrode Catalog Number: LZW Hach Company Emergency Telephone Numbers: P.O.Box 389 (Medical and Transportation) Loveland, CO USA (303) Hour Service (970) (515) am - 4pm CST MSDS Number: M02741 Chemical Name: Not applicable CAS No.: Not applicable Chemical Formula: Not applicable Chemical Family: Not applicable Hazard: May cause skin irritation. May cause eye irritation. Date of MSDS Preparation: Day: 08 Month: June Year: COMPOSITION / INFORMATION ON INGREDIENTS Potassium Hydroxide CAS No.: TSCA CAS Number: Percent Range: < 1.0 Percent Range Units: weight / weight LD50: Oral rat LD50 = 273 mg/kg TLV: 2 mg/m 3 Ceiling PEL: 2 mg/m 3 Ceiling Hazard: Toxic. Causes severe burns. Demineralized Water CAS No.: TSCA CAS Number: Percent Range: Percent Range Units: volume / volume LD50: None reported TLV: Not established PEL: Not established Hazard: No effects anticipated. 3. HAZARDS IDENTIFICATION Emergency Overview: Appearance: Clear, colorless liquid Odor: None MAY CAUSE EYE AND SKIN IRRITATION

3 HMIS: Health: 1 Flammability: 0 Reactivity: 0 Protective Equipment: X - See protective equipment, Section 8. NFPA: Health: 1 Flammability: 0 Reactivity: 0 Symbol: Not applicable Potential Health Effects: Eye Contact: Causes irritation Skin Contact: Causes irritation Skin Absorption: None reported Target Organs: None reported Ingestion: No Effects Anticipated Target Organs: None reported Inhalation: Causes: discomfort irritation of nose and throat Target Organs: None reported Medical Conditions Aggravated: Pre-existing: Eye conditions Skin conditions Chronic Effects: None reported Cancer / Reproductive Toxicity Information: This product does NOT contain any OSHA listed carcinogens. This product does NOT contain any IARC listed chemicals. This product does NOT contain any NTP listed chemicals. Additional Cancer / Reproductive Toxicity Information: None reported Toxicologically Synergistic Products: None reported 4. FIRST AID Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician. Skin Contact (First Aid): Wash skin with plenty of water for 15 minutes. Remove contaminated clothing. Call physician if irritation develops. Ingestion (First Aid): Do not induce vomiting. Give 1-2 glasses of water. Never give anything by mouth to an unconscious person. If you feel unwell, contact a physician. Inhalation: Remove to fresh air. 5. FIRE FIGHTING MEASURES Flammable Properties: Not Flammable, but reacts with most metals to form flammable hydrogen gas. Flash Point: Not applicable Method: Not applicable Flammability Limits: Lower Explosion Limits: Not applicable Upper Explosion Limits: Not applicable Autoignition Temperature: Not applicable Hazardous Combustion Products: This material will not burn. Fire / Explosion Hazards: Contact with metals gives off hydrogen gas which is flammable Static Discharge: None reported. Mechanical Impact: None reported Extinguishing Media: Use media appropriate to surrounding fire conditions Fire Fighting Instruction: As in any fire, wear self-contained breathing apparatus pressure-demand and full protective gear. 6. ACCIDENTAL RELEASE MEASURES Spill Response Notice: Only persons properly qualified to respond to an emergency involving hazardous substances may respond to a spill according to federal regulations (OSHA 29 CFR (a)(v)) and per your company's emergency response plan and guidelines/procedures. See Section 13, Special Instructions for disposal assistance.

4 Containment Technique: Stop spilled material from being released to the environment. Absorb spilled liquid with nonreactive sorbent material. Clean-up Technique: Cover spilled material with a dry acid, such as citric or boric. Scoop up slurry into a large beaker. Dilute with a large excess of water. Adjust to a ph between 6 and 9 with an acid, such as sulfuric or citric. Flush reacted material to the drain with a large excess of water. Decontaminate the area of the spill with a weak acid solution. Evacuation Procedure: Evacuate local area (15 foot radius or as directed by your facility's emergency response plan) when: a gallon or more of liquid is spilled. If conditions warrant, increase the size of the evacuation. Special Instructions (for accidental release): Product is regulated as RCRA hazardous waste in the U.S. Mixture contains a component which is regulated as a water pollutant in the U. S EHS RQ (40 CFR 355): Not applicable D.O.T. Emergency Response Guide Number: None 7. HANDLING / STORAGE Handling: Avoid contact with eyes skin clothing Do not breathe mist or vapors. Wash thoroughly after handling. Maintain general industrial hygiene practices when using this product. Storage: Protect from: heat freezing Keep away from: acids metals organic peroxides Flammability Class: Not applicable 8. EXPOSURE CONTROLS / PROTECTIVE EQUIPMENT Engineering Controls: Maintain general industrial hygiene practices when using this product. Personal Protective Equipment: Eye Protection: safety glasses with top and side shields Suitable facilities (eyewash station or bottle) for flushing of the eyes Skin Protection: disposable latex gloves In the EU, the selected gloves must satisfy the specifications of EU Directive 89/686/EEC and standard EN 374 derived from it. Inhalation Protection: adequate ventilation Precautionary Measures: Avoid contact with: eyes skin clothing Do not breathe: mist/vapor Wash thoroughly after handling. Protect from: heat freezing Keep away from: acids/acid fumes metals oxidizers TLV: Not determined PEL: Not determined 9. PHYSICAL / CHEMICAL PROPERTIES Appearance: Clear, colorless liquid Physical State: Liquid Molecular Weight: Not applicable Odor: None ph: 12.5 Vapor Pressure: Not determined Vapor Density (air = 1): Not determined Boiling Point: Not determined Melting Point: Not applicable Specific Gravity/ Relative Density (water = 1; air =1): Approximately 1 Evaporation Rate (water = 1): Not determined Volatile Organic Compounds Content: Not applicable Partition Coefficient (n-octanol / water): Not applicable Solubility: Water: Completely miscible Acid: Not determined Other: Not determined Metal Corrosivity: Steel: Not determined Aluminum: Not determined 10. STABILITY / REACTIVITY Chemical Stability: Stable when stored under proper conditions. Conditions to Avoid: Extreme temperatures

5 Reactivity / Incompatibility: Incompatible with: acids metals organic peroxides Hazardous Decomposition: Contact with metals may release flammable hydrogen gas. Hazardous Polymerization: Will not occur. 11. TOXICOLOGICAL INFORMATION Product Toxicological Data: LD50: No data available. LC50: No data available. Dermal Toxicity Data: No data available. Skin and Eye Irritation Data: Irritating to eyes and skin. Mutation Data: None reported Reproductive Effects Data: None reported Ingredient Toxicological Data: Potassium hydroxide: LD50 orl rat = 273 mg/kg; dermal rabbit = 1 mg (24hr); mild irritation. 12. ECOLOGICAL INFORMATION Product Ecological Information: No ecological data available for this product. Ingredient Ecological Information: -- Potassium hydroxide: LC50(24hr) goldfish = 165 mg/l 13. DISPOSAL CONSIDERATIONS EPA Waste ID Number: Not applicable Special Instructions (Disposal): Adjust to a ph between 6 and 9 with an acid, such as sulfuric or citric. Open cold water tap completely, slowly pour the reacted material to the drain. Allow cold water to run for 5 minutes to completely flush the system. Empty Containers: Rinse three times with an appropriate solvent. Dispose of empty container as normal trash. NOTICE (Disposal): These disposal guidelines are based on federal regulations and may be superseded by more stringent state or local requirements. Please consult your local environmental regulators for more information. 14. TRANSPORT INFORMATION D.O.T.: D.O.T. Proper Shipping Name: Not Currently Regulated DOT Hazard Class: NA DOT Subsidiary Risk: NA DOT ID Number: NA DOT Packing Group: NA I.C.A.O.: I.C.A.O. Proper Shipping Name: Not Currently Regulated ICAO Hazard Class: NA ICAO Subsidiary Risk: NA ICAO ID Number: NA ICAO Packing Group: NA I.M.O.: I.M.O. Proper Shipping Name: Not Currently Regulated I.M.O. Hazard Class: NA I.M.O. Subsidiary Risk: NA I.M.O. ID Number: NA I.M.O. Packing Group: NA Additional Information: There is a possibility that this product could be contained in a reagent set or kit composed of various compatible dangerous goods. If the item is NOT in a set or kit, the classification given above applies. If the item IS part of a set or kit, the classification would change to the following: UN3316 Chemical Kit, Class 9, PG II or III. If the item is not regulated, the Chemical Kit classification does not apply. 15. REGULATORY INFORMATION

6 U.S. Federal Regulations: O.S.H.A.: This product meets the criteria for a hazardous substance as defined in the Hazard Communication Standard. (29 CFR ) E.P.A.: S.A.R.A. Title III Section 311/312 Categorization (40 CFR 370): Immediate (Acute) Health Hazard S.A.R.A. Title III Section 313 (40 CFR 372): This product does NOT contain any chemical subject to the reporting requirements of Section 313 of Title III of SARA. 302 (EHS) TPQ (40 CFR 355): Not applicable 304 CERCLA RQ (40 CFR 302.4): Potassium hydroxide 1000 lbs. 304 EHS RQ (40 CFR 355): Not applicable Clean Water Act (40 CFR 116.4): Potassium hydroxide - RQ 1000 lbs. RCRA: Not applicable C.P.S.C.: Not applicable State Regulations: California Prop. 65: No Prop. 65 listed chemicals are present in this product. Identification of Prop. 65 Ingredient(s): None California Perchlorate Rule CCR Title 22 Chap 33: Not applicable Trade Secret Registry: Not applicable National Inventories: U.S. Inventory Status: All ingredients in this product are listed on the TSCA 8(b) Inventory (40 CFR 710). TSCA CAS Number: Not applicable 16. OTHER INFORMATION Intended Use: Analytical electrolytes References: 29 CFR (Code of Federal Regulations - Labor). Air Contaminants, Federal Register, Vol. 54, No. 12. Thursday, January 19, pp TLV's Threshold Limit Values and Biological Exposure Indices for American Conference of Governmental Industrial Hygienists, In-house information. List of Dangerous Substances Classified in Annex I of the EEC Directive (67/548) - Classification, Packaging and Labeling of Dangerous Substances, Amended July Technical Judgment. P & G Ingredient Safety Information ( Box.com) Revision Summary: New MSDS Legend: NA - Not Applicable ND - Not Determined NV - Not Available w/w - weight/weight w/v - weight/volume v/v - volume/volume USER RESPONSIBILITY: Each user should read and understand this information and incorporate it in individual site safety programs in accordance with applicable hazard communication standards and regulations. THE INFORMATION CONTAINED HEREIN IS BASED ON DATA CONSIDERED TO BE ACCURATE. HOWEVER, NO WARRANTY IS EXPRESSED OR IMPLIED REGARDING THE ACCURACY OF THESE DATA OR THE RESULTS TO BE OBTAINED FROM THE USE THEREOF. HACH COMPANY 2010

7 World Headquarters Hach Company P.O.Box 389 MSDS No: M02735 Loveland, CO USA (970) MATERIAL SAFETY DATA SHEET 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION Product Name: Lithium Coin Cell Battery, CR1225 Installed Catalog Number: CR1225MC Hach Company Emergency Telephone Numbers: P.O.Box 389 (Medical and Transportation) Loveland, CO USA (303) Hour Service (970) (515) am - 4pm CST MSDS Number: M02735 Chemical Name: Not Applicable CAS No.: Not Applicable Chemical Formula: Not Applicable Chemical Family: Battery, Manganese Dioxide Lithium (Perchlorate) Hazard: None, unless battery is opened or burned. Date of MSDS Preparation: Day: 29 Month: April Year: COMPOSITION / INFORMATION ON INGREDIENTS Manganese Dioxide CAS No.: TSCA CAS Number: Percent Range: < 50 Percent Range Units: weight / weight LD50: None reported TLV: 5 mg/m 3 as Mn PEL: 5 mg/m 3 as Mn Hazard: May cause irritation. Cumulative poison. Oxidizer. Experimental teratogen. Lithium CAS No.: TSCA CAS Number: Percent Range: < 10.0 Percent Range Units: weight / weight LD50: None reported TLV: Not established PEL: Not established Hazard: Causes burns. Experimental mutagen. Organic Electrolyte (Lithium perchlorate) CAS No.: TSCA CAS Number: Percent Range: Percent Range Units: weight / weight LD50: Intraperitoneal mouse LD 50 = 1160 mg/kg TLV: Not established

8 PEL: Not established Hazard: Oxidizer. Harmful if swallowed Electrolyte: Organic CAS No.: Not applicable. Used in a battery. TSCA CAS Number: Not applicable. Used in a battery. Percent Range: < 15 Percent Range Units: weight / weight LD50: None reported TLV: Not established PEL: Not established Hazard: Flammable. 3. HAZARDS IDENTIFICATION Emergency Overview: Appearance: Battery, coin shaped Odor: Not applicable This product is a manufactured article as defined in 29 CFR The ingredients are contained in a sealed case, designed to withstand the temperatures and pressures encountered in normal transportation, storage and use. Exposure risks occur only if battery is mechanically or electrically abused including subjection to excessive heat and/or pressure. HMIS: Health: 0 Flammability: 0 Reactivity: 0 Protective Equipment: Not applicable NFPA: Health: 3 Flammability: 2 Reactivity: 2 Symbol: None Potential Health Effects: Eye Contact: If broken open, may cause burns. Skin Contact: If broken open, may cause burns. Skin Absorption: None reported Target Organs: None reported Ingestion: If broken open, may cause: burns of the mouth and esophagus Target Organs: None reported Inhalation: If broken open, may cause: respiratory tract irritation Target Organs: None reported Medical Conditions Aggravated: None reported Chronic Effects: No effects anticipated Cancer / Reproductive Toxicity Information: This product does NOT contain any OSHA listed carcinogens. This product does NOT contain any IARC listed chemicals. This product does NOT contain any NTP listed chemicals. Additional Cancer / Reproductive Toxicity Information: Chronic exposure to dimethoxyethane may be a reproductive hazard. Toxicologically Synergistic Products: None reported 4. FIRST AID Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician.

9 Skin Contact (First Aid): Wash skin with plenty of water for 15 minutes. Remove contaminated clothing. Call physician immediately. Ingestion (First Aid): Call physician immediately. Inhalation: Remove to fresh air. Call physician. 5. FIRE FIGHTING MEASURES Flammable Properties: May explode when exposed to heat. Flash Point: Not Applicable Method: Not applicable Flammability Limits: Lower Explosion Limits: Not Determined Upper Explosion Limits: Not Determined Autoignition Temperature: Not Determined Hazardous Combustion Products: May emit acrid smoke and fumes. Fire / Explosion Hazards: May explode or cause burns if disassembled, crushed or exposed to high temperatures. Shorting and/or installation with incorrect polarity may cause fire/explosion hazard. Static Discharge: None reported. Mechanical Impact: Yes Extinguishing Media: Dry chemical. Alcohol-resistant foam Dry sand, Fire Fighting Instruction: As in any fire, wear self-contained breathing apparatus pressure-demand and full protective gear. Containers can build up pressure if exposed to heat. 6. ACCIDENTAL RELEASE MEASURES Spill Response Notice: Only persons properly qualified to respond to an emergency involving hazardous substances may respond to a spill according to federal regulations (OSHA 29 CFR (a)(v)) and per your company's emergency response plan and guidelines/procedures. See Section 13, Special Instructions for disposal assistance. Outside of the US, only persons properly qualified according to state or local regulations should respond to a spill involving chemicals. Containment Technique: Stop spilled material from being released to the environment. Clean-up Technique: Dispose of material in government approved hazardous waste facility. Evacuation Procedure: Evacuate local area (15 foot radius or as directed by your facility's emergency response plan) if the article is broken and contents are spilled. Special Instructions (for accidental release): Not applicable 304 EHS RQ (40 CFR 355): Not applicable D.O.T. Emergency Response Guide Number: HANDLING / STORAGE Handling: Do not disassemble, apply excessive pressure or deform. Do not short circuit, charge or solder the battery directly. Avoid forced discharge of battery. Do not heat. May burst or release toxic materials. Perchlorate Material - special handling may apply. In California, see Storage: Do not store in direct sunlight. Store in a cool, dry place. Protect from: moisture acids / acid fumes. extreme temperatures Flammability Class: Not applicable 8. EXPOSURE CONTROLS / PROTECTIVE EQUIPMENT Engineering Controls: Not applicable Personal Protective Equipment: Eye Protection: Not applicable Skin Protection: Not applicable Inhalation Protection: Not applicable Precautionary Measures: Avoid contact with: acids/acid fumes sparks, flames and other ignition sources Protect from: moisture TLV: Not Applicable PEL: Not Applicable 9. PHYSICAL / CHEMICAL PROPERTIES

10 Appearance: Battery, coin shaped Physical State: Sealed can, canister or tube Molecular Weight: Not Applicable Odor: Not applicable ph: Not Applicable Vapor Pressure: Not Applicable Vapor Density (air = 1): Not Applicable Boiling Point: Not Applicable Melting Point: Not Applicable Specific Gravity (water = 1): Not Applicable Evaporation Rate (water = 1): Not Applicable Volatile Organic Compounds Content: Not Applicable Partition Coefficient (n-octanol / water): Not Applicable Solubility: Water: Not Applicable Acid: Not Applicable Other: Not Applicable Metal Corrosivity: Steel: Not Applicable Aluminum: Not Applicable Voltage: 3 volts Current: CR2450MC 620 mah; CR1225MC 50 mah 10. STABILITY / REACTIVITY Chemical Stability: Storage and use conditions outside of the specified range of battery operation may result in damage from electrolyte leakage. Conditions to Avoid: Contact with acid or acid fumes Contact with water or steam. Excess moisture Exposure to direct sunlight. High temperatures exceeding 35 deg C Reactivity / Incompatibility: acids conductive materials seawater strong oxidizers Hazardous Decomposition: Acrid or harmful gas during a fire Hazardous Polymerization: Will not occur. 11. TOXICOLOGICAL INFORMATION Product Toxicological Data: ( In case of electrolyte leakage from battery) LD50: Orl (rat) > 2, 000 mg/kg (estimated) LC50: Not Reported Dermal Toxicity Data: Not Reported Skin and Eye Irritation Data: Irritating Mutation Data: Not Reported Reproductive Effects Data: Not Reported Ingredient Toxicological Data: No toxicological data available for the ingredients of this product. 12. ECOLOGICAL INFORMATION Product Ecological Information: Do not place in landfill. Recycle appropriately. Ingredient Ecological Information: No ecological data available for the ingredients of this product. 13. DISPOSAL CONSIDERATIONS EPA Waste ID Number: Not applicable Special Instructions (Disposal): Do NOT incinerate or subject battery to temperatures in excess of 212 degrees fahrenheit. Cells may rupture. Perchlorate Material - special handling may apply. In California, see

11 Lithium- manganese dioxide batteries are not listed as a hazardous waste. Recycle at an approved recycling facility or dispose as ordinary waste. Empty Containers: Not applicable NOTICE (Disposal): These disposal guidelines are based on federal regulations and may be superseded by more stringent state or local requirements. Please consult your local environmental regulators for more information. 14. TRANSPORT INFORMATION D.O.T.: D.O.T. Proper Shipping Name: Lithium battery DOT Hazard Class: 9 DOT Subsidiary Risk: NA DOT ID Number: UN3090 DOT Packing Group: II I.C.A.O.: I.C.A.O. Proper Shipping Name: Lithium batteries ICAO Hazard Class: 9 ICAO Subsidiary Risk: NA ICAO ID Number: UN3090 ICAO Packing Group: II I.M.O.: I.M.O. Proper Shipping Name: Lithium batteries I.M.O. Hazard Class: 9 I.M.O. Subsidiary Risk: NA I.M.O. ID Number: UN3090 I.M.O. Packing Group: II Additional Information: The batteries do not contain more than 1 gram of Lithium per cell respectively 2 gram Lithium per battery. Batteries certified by manufacturer to have been tested under provisions of UN Manual of Tests and Criteria, clause This item may be shipped already installed in equipment. In this case, the ID Number is UN3091 and the proper shipping name is Lithium Batteries Contained in Equipment. Class REGULATORY INFORMATION U.S. Federal Regulations: O.S.H.A.: This product is an "Article" as defined in the Hazard Communication Standard (29 CFR ) E.P.A.: S.A.R.A. Title III Section 311/312 Categorization (40 CFR 370): Not applicable S.A.R.A. Title III Section 313 (40 CFR 372): Not applicable 302 (EHS) TPQ (40 CFR 355): Not applicable 304 CERCLA RQ (40 CFR 302.4): Not applicable 304 EHS RQ (40 CFR 355): Not applicable Clean Water Act (40 CFR 116.4): Not applicable RCRA: Contains no RCRA regulated substances. C.P.S.C.: Not applicable State Regulations: California Prop. 65: Not applicable Identification of Prop. 65 Ingredient(s): California Perchlorate Rule CCR Title 22 Chap 33: Yes Trade Secret Registry: Not applicable National Inventories: U.S. Inventory Status: Article exemption. All ingredients within are listed on the TSCA 8(b) Inventory (40CFR710). TSCA CAS Number: Not Applicable 16. OTHER INFORMATION Intended Use: Battery / Internal Battery Back-up

12 References: Vendor Information. 29 CFR (Code of Federal Regulations - Labor). Revision Summary: New MSDS Legend: NA - Not Applicable ND - Not Determined NV - Not Available w/w - weight/weight w/v - weight/volume v/v - volume/volume USER RESPONSIBILITY: Each user should read and understand this information and incorporate it in individual site safety programs in accordance with applicable hazard communication standards and regulations. THE INFORMATION CONTAINED HEREIN IS BASED ON DATA CONSIDERED TO BE ACCURATE. HOWEVER, NO WARRANTY IS EXPRESSED OR IMPLIED REGARDING THE ACCURACY OF THESE DATA OR THE RESULTS TO BE OBTAINED FROM THE USE THEREOF. HACH COMPANY 2010

13 World Headquarters Hach Company P.O.Box 389 MSDS No: M02735 Loveland, CO USA (970) MATERIAL SAFETY DATA SHEET 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION Product Name: Lithium Coin Cell Battery, CR1225 Installed Catalog Number: CR1225MC Hach Company Emergency Telephone Numbers: P.O.Box 389 (Medical and Transportation) Loveland, CO USA (303) Hour Service (970) (515) am - 4pm CST MSDS Number: M02735 Chemical Name: Not Applicable CAS No.: Not Applicable Chemical Formula: Not Applicable Chemical Family: Battery, Manganese Dioxide Lithium (Perchlorate) Hazard: None, unless battery is opened or burned. Date of MSDS Preparation: Day: 29 Month: April Year: COMPOSITION / INFORMATION ON INGREDIENTS Manganese Dioxide CAS No.: TSCA CAS Number: Percent Range: < 50 Percent Range Units: weight / weight LD50: None reported TLV: 5 mg/m 3 as Mn PEL: 5 mg/m 3 as Mn Hazard: May cause irritation. Cumulative poison. Oxidizer. Experimental teratogen. Lithium CAS No.: TSCA CAS Number: Percent Range: < 10.0 Percent Range Units: weight / weight LD50: None reported TLV: Not established PEL: Not established Hazard: Causes burns. Experimental mutagen. Organic Electrolyte (Lithium perchlorate) CAS No.: TSCA CAS Number: Percent Range: Percent Range Units: weight / weight LD50: Intraperitoneal mouse LD 50 = 1160 mg/kg TLV: Not established

14 PEL: Not established Hazard: Oxidizer. Harmful if swallowed Electrolyte: Organic CAS No.: Not applicable. Used in a battery. TSCA CAS Number: Not applicable. Used in a battery. Percent Range: < 15 Percent Range Units: weight / weight LD50: None reported TLV: Not established PEL: Not established Hazard: Flammable. 3. HAZARDS IDENTIFICATION Emergency Overview: Appearance: Battery, coin shaped Odor: Not applicable This product is a manufactured article as defined in 29 CFR The ingredients are contained in a sealed case, designed to withstand the temperatures and pressures encountered in normal transportation, storage and use. Exposure risks occur only if battery is mechanically or electrically abused including subjection to excessive heat and/or pressure. HMIS: Health: 0 Flammability: 0 Reactivity: 0 Protective Equipment: Not applicable NFPA: Health: 3 Flammability: 2 Reactivity: 2 Symbol: None Potential Health Effects: Eye Contact: If broken open, may cause burns. Skin Contact: If broken open, may cause burns. Skin Absorption: None reported Target Organs: None reported Ingestion: If broken open, may cause: burns of the mouth and esophagus Target Organs: None reported Inhalation: If broken open, may cause: respiratory tract irritation Target Organs: None reported Medical Conditions Aggravated: None reported Chronic Effects: No effects anticipated Cancer / Reproductive Toxicity Information: This product does NOT contain any OSHA listed carcinogens. This product does NOT contain any IARC listed chemicals. This product does NOT contain any NTP listed chemicals. Additional Cancer / Reproductive Toxicity Information: Chronic exposure to dimethoxyethane may be a reproductive hazard. Toxicologically Synergistic Products: None reported 4. FIRST AID Eye Contact: Immediately flush eyes with water for 15 minutes. Call physician.

15 Skin Contact (First Aid): Wash skin with plenty of water for 15 minutes. Remove contaminated clothing. Call physician immediately. Ingestion (First Aid): Call physician immediately. Inhalation: Remove to fresh air. Call physician. 5. FIRE FIGHTING MEASURES Flammable Properties: May explode when exposed to heat. Flash Point: Not Applicable Method: Not applicable Flammability Limits: Lower Explosion Limits: Not Determined Upper Explosion Limits: Not Determined Autoignition Temperature: Not Determined Hazardous Combustion Products: May emit acrid smoke and fumes. Fire / Explosion Hazards: May explode or cause burns if disassembled, crushed or exposed to high temperatures. Shorting and/or installation with incorrect polarity may cause fire/explosion hazard. Static Discharge: None reported. Mechanical Impact: Yes Extinguishing Media: Dry chemical. Alcohol-resistant foam Dry sand, Fire Fighting Instruction: As in any fire, wear self-contained breathing apparatus pressure-demand and full protective gear. Containers can build up pressure if exposed to heat. 6. ACCIDENTAL RELEASE MEASURES Spill Response Notice: Only persons properly qualified to respond to an emergency involving hazardous substances may respond to a spill according to federal regulations (OSHA 29 CFR (a)(v)) and per your company's emergency response plan and guidelines/procedures. See Section 13, Special Instructions for disposal assistance. Outside of the US, only persons properly qualified according to state or local regulations should respond to a spill involving chemicals. Containment Technique: Stop spilled material from being released to the environment. Clean-up Technique: Dispose of material in government approved hazardous waste facility. Evacuation Procedure: Evacuate local area (15 foot radius or as directed by your facility's emergency response plan) if the article is broken and contents are spilled. Special Instructions (for accidental release): Not applicable 304 EHS RQ (40 CFR 355): Not applicable D.O.T. Emergency Response Guide Number: HANDLING / STORAGE Handling: Do not disassemble, apply excessive pressure or deform. Do not short circuit, charge or solder the battery directly. Avoid forced discharge of battery. Do not heat. May burst or release toxic materials. Perchlorate Material - special handling may apply. In California, see Storage: Do not store in direct sunlight. Store in a cool, dry place. Protect from: moisture acids / acid fumes. extreme temperatures Flammability Class: Not applicable 8. EXPOSURE CONTROLS / PROTECTIVE EQUIPMENT Engineering Controls: Not applicable Personal Protective Equipment: Eye Protection: Not applicable Skin Protection: Not applicable Inhalation Protection: Not applicable Precautionary Measures: Avoid contact with: acids/acid fumes sparks, flames and other ignition sources Protect from: moisture TLV: Not Applicable PEL: Not Applicable 9. PHYSICAL / CHEMICAL PROPERTIES

16 Appearance: Battery, coin shaped Physical State: Sealed can, canister or tube Molecular Weight: Not Applicable Odor: Not applicable ph: Not Applicable Vapor Pressure: Not Applicable Vapor Density (air = 1): Not Applicable Boiling Point: Not Applicable Melting Point: Not Applicable Specific Gravity (water = 1): Not Applicable Evaporation Rate (water = 1): Not Applicable Volatile Organic Compounds Content: Not Applicable Partition Coefficient (n-octanol / water): Not Applicable Solubility: Water: Not Applicable Acid: Not Applicable Other: Not Applicable Metal Corrosivity: Steel: Not Applicable Aluminum: Not Applicable Voltage: 3 volts Current: CR2450MC 620 mah; CR1225MC 50 mah 10. STABILITY / REACTIVITY Chemical Stability: Storage and use conditions outside of the specified range of battery operation may result in damage from electrolyte leakage. Conditions to Avoid: Contact with acid or acid fumes Contact with water or steam. Excess moisture Exposure to direct sunlight. High temperatures exceeding 35 deg C Reactivity / Incompatibility: acids conductive materials seawater strong oxidizers Hazardous Decomposition: Acrid or harmful gas during a fire Hazardous Polymerization: Will not occur. 11. TOXICOLOGICAL INFORMATION Product Toxicological Data: ( In case of electrolyte leakage from battery) LD50: Orl (rat) > 2, 000 mg/kg (estimated) LC50: Not Reported Dermal Toxicity Data: Not Reported Skin and Eye Irritation Data: Irritating Mutation Data: Not Reported Reproductive Effects Data: Not Reported Ingredient Toxicological Data: No toxicological data available for the ingredients of this product. 12. ECOLOGICAL INFORMATION Product Ecological Information: Do not place in landfill. Recycle appropriately. Ingredient Ecological Information: No ecological data available for the ingredients of this product. 13. DISPOSAL CONSIDERATIONS EPA Waste ID Number: Not applicable Special Instructions (Disposal): Do NOT incinerate or subject battery to temperatures in excess of 212 degrees fahrenheit. Cells may rupture. Perchlorate Material - special handling may apply. In California, see

17 Lithium- manganese dioxide batteries are not listed as a hazardous waste. Recycle at an approved recycling facility or dispose as ordinary waste. Empty Containers: Not applicable NOTICE (Disposal): These disposal guidelines are based on federal regulations and may be superseded by more stringent state or local requirements. Please consult your local environmental regulators for more information. 14. TRANSPORT INFORMATION D.O.T.: D.O.T. Proper Shipping Name: Lithium battery DOT Hazard Class: 9 DOT Subsidiary Risk: NA DOT ID Number: UN3090 DOT Packing Group: II I.C.A.O.: I.C.A.O. Proper Shipping Name: Lithium batteries ICAO Hazard Class: 9 ICAO Subsidiary Risk: NA ICAO ID Number: UN3090 ICAO Packing Group: II I.M.O.: I.M.O. Proper Shipping Name: Lithium batteries I.M.O. Hazard Class: 9 I.M.O. Subsidiary Risk: NA I.M.O. ID Number: UN3090 I.M.O. Packing Group: II Additional Information: The batteries do not contain more than 1 gram of Lithium per cell respectively 2 gram Lithium per battery. Batteries certified by manufacturer to have been tested under provisions of UN Manual of Tests and Criteria, clause This item may be shipped already installed in equipment. In this case, the ID Number is UN3091 and the proper shipping name is Lithium Batteries Contained in Equipment. Class REGULATORY INFORMATION U.S. Federal Regulations: O.S.H.A.: This product is an "Article" as defined in the Hazard Communication Standard (29 CFR ) E.P.A.: S.A.R.A. Title III Section 311/312 Categorization (40 CFR 370): Not applicable S.A.R.A. Title III Section 313 (40 CFR 372): Not applicable 302 (EHS) TPQ (40 CFR 355): Not applicable 304 CERCLA RQ (40 CFR 302.4): Not applicable 304 EHS RQ (40 CFR 355): Not applicable Clean Water Act (40 CFR 116.4): Not applicable RCRA: Contains no RCRA regulated substances. C.P.S.C.: Not applicable State Regulations: California Prop. 65: Not applicable Identification of Prop. 65 Ingredient(s): California Perchlorate Rule CCR Title 22 Chap 33: Yes Trade Secret Registry: Not applicable National Inventories: U.S. Inventory Status: Article exemption. All ingredients within are listed on the TSCA 8(b) Inventory (40CFR710). TSCA CAS Number: Not Applicable 16. OTHER INFORMATION Intended Use: Battery / Internal Battery Back-up

18 References: Vendor Information. 29 CFR (Code of Federal Regulations - Labor). Revision Summary: New MSDS Legend: NA - Not Applicable ND - Not Determined NV - Not Available w/w - weight/weight w/v - weight/volume v/v - volume/volume USER RESPONSIBILITY: Each user should read and understand this information and incorporate it in individual site safety programs in accordance with applicable hazard communication standards and regulations. THE INFORMATION CONTAINED HEREIN IS BASED ON DATA CONSIDERED TO BE ACCURATE. HOWEVER, NO WARRANTY IS EXPRESSED OR IMPLIED REGARDING THE ACCURACY OF THESE DATA OR THE RESULTS TO BE OBTAINED FROM THE USE THEREOF. HACH COMPANY 2010