LATICRETE Hydro Barrier

HMIS® ratings

OSHA Health — 1 Flammability 0 Reactivity 0 Personal Protection B SYMPTOMS OF OVEREXPOSURE for each potential route of exposure. (Possible Longer Term Effects) None known. SIGNS AND SYMPTOMS OF EXPOSURE (Acute effects) Inhaled: No problem normally anticipated Contact with skin or eyes: This product may be an eye irritant. It may cause skin irritation upon prolonged of repeated contact. Absorbed through skin: Skin absorption is unlikely. Swallowed: Single dose oral toxicity is believed to be low. SUSPECTED CANCER AGENT? _x_ NO: This product's ingredients are not found in the lists below. YES: Federal OSHA NTP IARC Form F 7.3.29 Rev: B ann Page: 2of4 Date: 01/25/07 Eye Contact: Hold eyelids apart and immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention immediately. Skin Contact: Wash off in flowing water or shower. Inhaled: No adverse effects anticipated. Swallowed No adverse effects anticipated by this route of exposure incidental to proper industrial handling. nnn anna nnn anna nnn nanan nn nn nnn nanan nanan ee V. FIRE AND EXPLOSION ------------------------------------------ Flash Point method): Non-flammable water based product Auto ignition temperature,°F: N/A Flammable limits in air, volume %: Lower (LEL) Upper (UEL) Fire extinguishing materials: X water spray X__ carbon dioxide other: x foam X__ dry chemical Special fire fighting procedures: N/A Unusual fire and explosion hazards: Closed containers exposed to extreme heat may rupture due to pressure buildup. Spill response procedures (include employee protection measures): Small amounts of spilled material may be absorbed onto and appropriate absorbent. Prevent spilled liquid from entering sewers, storm drains, and natural waterways. Wear safety glasses and impervious gloves. Preparing wastes for disposal (container types, neutralization, etc.): Place contaminated absorbed material into metal containers and seal. NOTE: Dispose of all wastes in accordance with federal, state and local regulations. manne nen nn nena enna nnn nennennnnannnnenneoes Vil. Handling and Storage---------------------------------------------------------- Store in area between 40°F and 100°F. Form F 7.3.29 Rev: B ann Page: 3 of4 Date: 01/25/07 mom rn nnn nnn nnn nnn nnn nnn non nonce VIII. Exposure Controls and Personal Protection ------------------------------ Ventilation and engineering controls: Good general ventilation should be sufficient for most conditions Respiratory protection (type): Not needed for most conditions Eye protection (type): Use chemical goggles or safety glasses Gloves (specify material): Impervious gloves, vinyl or rubber Other clothing and equipment: Wear clean, long-sleeved bond-covering clothing Work practices, hygienic practices: Maintain good housekeeping standards Other handling and storage requirements: Should store at temperatures between 40 - 100°F Protective measures during maintenance of contaminated equipment: IX. PHYSICAL PROPERTIES Vapor density (air=1): N/A Melting point or range,°F: N/A pH 9-10 Specific gravity: 1.34 - 1.35 Boiling point or range, °F: 212 Solubility in water: dispersable Evaporation rate (butyl acetate = 1): N/A Vapor pressure, mmHg at 20°C: 23 hPa

Appearance/Odor

blue colored, thick liquid, Slight styrene odor HOW TO DETECT THIS SUBSTANCE (warning properties of substance as a gas, vapor, dust, or mist): wana nnn nn nnn nn nnn nnn nnn nnn nn nnn nn enna nena X. REACTIVITY DATA --------------------------------7-7----7------- Stability: x__ Stable Unstable Conditions to avoid: No hazardous reactions are expected to occur under normal industrial conditions. Incompatibility (materials to avoid): N/A Hazardous decomposition products (including combustion products): (from burning, heating, or reaction with other materials). Thermal decomposition in the presence of air may yield carbon monoxide and/or carbon dioxide and traces of monomer Hazardous polymerization: May occur X Will not occur Conditions to avoid: N/A Form F 7.3.29 Rev: B ann Page: dof Date: 01/25/07 manne nnn ncn nnn nnn nnn nnn nnn nnn nnn nnn nnn conn XIll. Disposal Information-------------------------------------------------- Dispose in compliance with local, state, and federal regulations. SEUEIEIEIEEEIEIEEIEIEIEEIEIREaaiaIaaiateaaaiaaiaiaieaiimaieaie XIV. Transport Information--------------------------------------------------- No special labeling or transportation placarding is required. SEUEIEIEIEEEIEIEEIEIEIEEIEIREaaiaIaaiateaaaiaaiaiaieaiimaieaie XV. Regulatory Information-------------------------------------------------- All ingredients are listed on the U.S. EPA TSCA inventory of chemical substances. Ethylene glycol is defined as a chemical under, and subject to, reporting requirements of section 313 of Title Ill of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR 372. SARA HAZARD CATEGORY: Ethylene glycol has been reviewed according to the EPA "Hazard Categories" promulgated under section 311 and 312 of the Superfund Amendment and Reauthorizatin Act of 1986 (SARA Title III) and is considered, under applicable definitions, to meet the following: 1. An immediate health hazard 2. A delayed health hazard. This product does not contain any California Proposition 65 listed chemicals. W.H.M.I.S. Classification: D2A This information is furnished without warranty, representation, inducement or license of any kind; except that it is accurate to the best of our knowledge, or obtained from sources believed by us to be