Type S Hydrated Lime – May 1, 2015SAFETY DATA SHEETSECTION 1ProductIDENTIFICATIONName: Type S Hydrated LimeOther Names: Dolomitic Hydrate; Hydrated Dolomitic Lime; Calcium MagnesiumHydroxide; Double Hydrated Dolomitic LimeRecommended Uses: Construction; pH adjustment; Water Treatment; FGT;Company Identification:US Operations:Canadian Operations:Lhoist North America, Inc.3700 Hulen StreetFort Worth, TX 76107817-732-8164Lhoist North America of Canada, Inc.20303-102B Ave.Langley, BC V1M 3H1604-888-4333Emergency Phone Number:Chemtrec 1-800-424-9300SECTION 2ClassificationHAZARDS(S) IDENTIFICATIONEye Damage – Category 1Carcinogen – Category 1Skin Irritation – Category 2Specific Target Organ Toxicity Single Exposure – Category 3(Respiratory System)Specific Target Organ Toxicity Repeat Exposure – Category 1(Respiratory System)Labeling:Pictograms:Signal Word(s): Danger

Type S Hydrated Lime – May 1, 2015Hazard Statements:Causes serious eye damage.Causes skin irritation.May cause respiratory irritation.Causes damage to lungs through prolonged or repeated exposurewhen inhaled.May cause cancer through inhalation.Precautionary Statements:Wear protective gloves and eye protection. Wash exposed skinthoroughly after handling. Do not breathe dust. Use only outdoorsor in a well-ventilated area. Obtain special instructions before use.Do not handle until all safety precautions have been read andunderstood. Do not eat, drink or smoke when using this product.If on skin: wash exposed skin with plenty of water. If skinirritation occurs: Get medical attention. Take off contaminatedclothing and wash it before reuse.If in eyes: Rinse cautiously with water for several minutes.Remove contact lenses if present and easy to do. Continue rinsing.Seek medical attention immediately. If inhaled: Remove person tofresh air and keep comfortable for breathing. Seek medicalattention if you feel unwell.If exposed or concerned: Get medical adviceDispose of contents or containers in accordance with applicableregulations.Other Hazards:None.SECTION 3COMPOSITION/ INFORMATION ONINGREDIENTSChemical Name: Calcium Magnesium hydroxideCommon names and synonyms: Dolomitic Hydrate; Hydrated Dolomitic Lime; CalciumMagnesium Hydroxide; Double Hydrated Dolomitic LimeChemical IdentityCalcium HydroxideMagnesium HydroxideCrystalline SilicaCAS #1305-62-01309-42-814808-60-7Concentration, % Wt. 50 35 1

Type S Hydrated Lime – May 1, 2015SECTION 4FIRST AID MEASURESEye Contact: Contact can cause severe irritation or burning of eyes, including permanentdamage. Immediately flush eyes with generous amounts of water for severalminutes. Pull back the eyelid to ensure that all lime dust has been washed out.Seek medical attention immediately. Do not rub eyes.Inhalation:This product can cause severe irritation of the respiratory system. Move victim tofresh air. Seek medical attention if necessary. If breathing has stopped, giveartificial respiration.Skin Contact: Contact can cause severe irritation or burning of skin, especially in the presenceof moisture. Wash exposed area with large amounts of water. Seek medicalattention immediately.Ingestion:This product can cause severe irritation or burning of gastrointestinal tract ifswallowed. Do not induce vomiting. Seek medical attention immediately. Nevergive anything by mouth unless instructed to do so by medical personnel.Most important symptoms and effects, both acute and delayed:Irritation of skin, eyes,gastrointestinal tract or respiratory tract. Long-term exposure by inhalation maycause permanent damage. This product contains crystalline silica, which has beenclassified by IARC as (Group I) carcinogenic to humans when inhaled. Inhalationof silica can also cause a chronic lung disorder, silicosis.Note to Physician: Provide general supportive measures and treat symptomatically.SECTION 5Extinguishing MediaFIREFIGHTING MEASURESAppropriate Extinguishing Media: Use dry chemical fire extinguisherInappropriate Extinguishing Media: Do not use halogenated compounds.FirefightingFire Hazards: Type S Hydrated Lime is not combustible or flammable. Type S Hydrated Lime isnot considered to be an explosive hazard, although reaction with incompatible materials mayrupture containers.Hazardous Combustion Products: NoneSpecial Protective Equipment and Fire Fighting Instructions: Keep personnel away from andupwind of fire. Wear full fire-fighting turn-out gear (full Bunker gear), and respiratoryprotection (SCBA).

Type S Hydrated Lime – May 1, 2015SECTION 6ACCIDENTAL RELEASE MEASURESPersonal Precautions: Use proper protective equipment.Environmental Precautions: For large spills, as much as possible, avoid the generationof dusts. Prevent release to sewers or waterways.Methods and Materials for Containment and Cleaning Up:Small Spills: Use dry methods to collect spilled materials. Avoid generating dust. Donot clean up with compressed air. Store collected materials in dry, sealed plastic ormetal containers. Residue on surfaces may be washed with water or dilute vinegar.Large Spills: Use dry methods to collect spilled materials. Evacuate area downwind ofclean-up operations to minimize dust exposure. Store spilled materials in dry, sealedplastic or metal containers.SECTION 7HANDLING AND STORAGEPrecautions for Safe Handling: Keep in tightly closed containers. Protect containersfrom physical damage. Avoid direct skin contact with the material.Conditions for Safe Storage, Including any Incompatibilities: Store in a cool, dry, andwell-ventilated location. Do not store near incompatible materials (see Section 10below). Keep away from moisture. Do not store or ship in aluminum containers.SECTION 8EXPOSURE CONTROLS/ PERSONALPROTECTIONControl xideCrystalline SilicaCAS #1305-62-01309-42-814808-60-7Exposure LimitsOSHA PEL: 15 mg/m3 (total) 5 mg/m3 (respirable)ACGIH TLV: 5 mg/m3OSHA PEL: 15 mg/m3ACGIH TLV: 5 mg/m3OSHA PEL: 10 mg/m3 dividedby (the percentage of silica in the dust plus 2) (respirable)ACGIH TLV: 0.025 mg/m3 (respirable)Appropriate Engineering Controls: Provide ventilation adequate to maintain PELs.Personal ProtectionRespiratory Protection: Use NIOSH approved respirators if airborne concentrationexceeds PEL.

Type S Hydrated Lime – May 1, 2015Eye Protection: Use safety glasses with side shields or safety goggles. Contact lensesshould not be worn when working with lime products.Skin Protection: Use appropriate gloves to prevent skin contact. Clothing should fullycover arms and legs.Other: Eye wash fountain and emergency showers are recommended.SECTION 9AppearancePHYSICAL AND CHEMICAL PROPERTIESPhysical State:SolidColor:WhiteOdor:OdorlessOdor Threshold:N/ ApH:12.44 @ 25o CMelting Point:N/ AInitial Boiling Point: N/ AFreezing Point:N/ AFlash Point:N/ AEvaporation Rate:N/ AFlammability (solid, gas): Non-flammableExplosion Limits:N/ AVapor Pressure:N/ AVapor Density:N/ ARelative Density:0.4 – 0.7 g/ cm3 (apparent)Solubility(ies):Solubility is 1.6 g/L at 25o CPartition coefficient: Relatively insolubleAuto-ignition Temperature: N/ ADecomposition Temperature: 580o C / 1076o FViscosity:N/A

Type S Hydrated Lime – May 1, 2015SECTION 10Reactivity:STABILITY AND REACTIVITYChemical Stability: Type S Hydrated Lime is chemically stable.Possibility of Hazardous Reactions: See reactivity aboveConditions to Avoid: Do not allow Type S Hydrated Lime to come into contact withincompatible materials.Incompatible Materials: Type S Hydrated Lime should not be mixed or stored with the followingmaterials, due to the potential for violent reaction and release of heat:Acids (unless in a controlled process)Reactive Fluoridated CompoundsReactive Brominated CompoundsReactive Powdered MetalsOrganic Acid AnhydridesNitro-Organic CompoundsReactive Phosphorous CompoundsInterhalogenated CompoundsHazardous Decomposition Products: NoneSECTION 11TOXICOLOGICAL INFORMATIONHealth Effects: see First Aid discussion in Section 4Routes of Exposure: see First Aid discussion in Section 4Symptoms Related to Exposure: see First Aid discussion in Section 4Carcinogen Listing: Type S Hydrated Lime is not listed by MSHA, OSHA, or IARC as acarcinogen, but this product contains crystalline silica, which has been classified by IARC as(Group I) carcinogenic to humans when inhaled.SECTION 12ECOLOGICAL INFORMATIONEcotoxicity: Because of the high pH of this product, it would be expected to producesignificant ecotoxicity upon exposure to aquatic organisms and aquatic systems inhigh concentrations.Persistence and Degradability: Reacts with atmospheric CO2 over time to form calciumcarbonateBioaccumulation Potential: This material shows no bioaccumulation effect or food chainconcentration toxicity.

Type S Hydrated Lime – May 1, 2015Mobility in Soil: Minimal mobility in soil. Reacts with clay portion of soil to form calciumsilicates and calcium aluminatesOther Adverse Effects: This material is alkaline and if released into water or moist soil willcause an increase in pHSECTION 13DISPOSAL CONSIDERATIONSDisposal Recommendations: Dispose of in accordance with all applicable federal, state, andlocal environmental regulations.Regulatory Disposal Information:If this product as supplied, and unmixed, becomes a waste,it will not meet the criteria of a hazardous waste as defined under the ResourceConservation and Recovery Act.SECTION 14UN Number: Not RegulatedTRANSPORT INFORMATIONUN Proper Shipping Name: Not RegulatedTransport Hazard Class(es): Not RegulatedPacking Group: Not RegulatedMarine Pollutant (y/n): This material is alkaline and if released into water or moist soil will causean increase in pH.Special Precautions: NoneSECTION 15National Chemical Inventory Listings:REGULATORY INFORMATIONAll chemical ingredients are listed on the USEPA TSCA Inventory List.US Regulations:RCRA Hazardous Waste Number: not listed (40 CFR 261.33)RCRA Hazardous Waste Classification (40 CFR 261): not classifiedCERCLA Hazardous Substance (40 CFR 302.4) unlisted specific per RCRA, Sec. 3001;CWA, Sec. 311 (b) (4); CWA, Sec. 307(a), CAA, Sec. 112CERCLA Reportable Quantity (RQ) not listed.SARA 311/312 Codes: not listed.SARA Toxic Chemical (40 CFR 372.65): not listed.SARA EHS (Extremely Hazardous Substance) (40 CFR 355): Not listed, Threshold PlanningQuantity (TPQ): not listedSpecific State Regulations: Consult State and Local authorities for guidance. Components foundin this product may contain trace amounts of inherent naturally occurring elements (such as, butnot limited to arsenic and cadmium) that may be regulated under California Proposition 65 andother States regulations.

Type S Hydrated Lime – May 1, 2015Canada DSL: ListedCanadian WHMIS Listing:“E” Corrosive Materials [listed due to corrosive effect on aluminum]“D2A” Materials causing other toxic effectsSECTION 16OTHER INFORMATIONPrepared By: Lhoist North America Technical ServicesDate Prepared: May 1, 2015Revision: 2015-1Abbreviations:N/AIARCIATANot Available or Not ApplicableInternational Agency for Research on CancerInternational Air Transport AssociationACGIH American Conference of GovernmentalACGIHIndustrial HygienistsTWATime Weighted AveragePELPermissible Exposure LimitTLVThreshold Limit ValueRELRecommended Exposure LimitLhoist North America provides the information contained herein in good faith but makes norepresentation as to its comprehensiveness or accuracy. This document is intended only as aguide to the appropriate precautionary handling of the material by a properly trained person.Individuals receiving this information must consult their own technical and legal advisors and/or exercise their own judgment in determining its appropriateness for a particular purpose.Lhoist North America makes no representations or warranties, either express or implied,including without limitation and warranties of merchantability or fitness for a particularpurpose with respect to the Information set forth herein or the product(s) to which theinformation refers. Accordingly, Lhoist North America will not be responsible or liable for anyclaims, losses or damages resulting from the use of or reliance upon or failure to use thisinformation.

Type S Hydrated Lime - May 1, 2015 SAFETY DATA SHEET SECTION 1 IDENTIFICATION Product Name: Type S Hydrated Lime Other Names: Dolomitic Hydrate; Hydrated Dolomitic Lime; Calcium Magnesium . Type S Hydrated Lime SDS Author: keingra Created Date: 5/22/2015 12:40:47 PM .