CALCINATED MAGNESITE ACTIVE MAGNESIUM OXIDE

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1 Updated: 04 April 2008r. Page 1/9 MANUFACTURER Magnezyty GROCHÓW" S.A. Grochowa 3, Brzeźnica, gmina Bardo tel: , fax: PRODUCT IDENTIFICATION 1.1 Product name: CALCINATED MAGNESITE 1.2 Application: Construction industry (Sorella cement); pharmaceutical industry; filler of paints, paper, caoutchouc; mineral additive for fodder; water treatment; sewage treatment; flue gas desulphurization; neutralization of heavy metals, acid fluid waste and solid waste. 2 COMPOSITION/INFORMATION ABOUT COMPONENTS Component/formula Content % CAS No. No. WE (EINECS) Classification/ hazard symbol Magnesium oxide MgO non applicable Silicon dioxide SiO non applicable Di-iron trioxide Fe 2 O 3 1, non applicable Calcium oxide CaO non applicable 3 HAZARD IDENTIFICATION The product is not classified as hazardous and does not cause hazard under normal condition of application and storage. When handled carelessly the dust may cause mechanical irritation of eyes, skin and respiratory tracks.

2 Updated: 04 April 2008r. Page 2/9 4 FIRST AID 4.1 General recommendation: Take off contaminated clothes. If the person is unconscious, do not give any oral medicaments or provoke vomiting 4.2 Skin contact: The contaminated area must be flushed with water immediately. In case of disease symptoms, contact the physician. 4.3 Eye contact: Flush with a lot of water for 15 minutes. Contact the ophthalmologist. 4.4 Oral poisoning: Flush mouth with water, do not swallow. If the product was swallowed, drink plenty of water. Contact the physician. 4.5 Poisoning by breathing: Remove the person from the hazard area, ensuring own safety. Ensure access to fresh air. Protect from heat loss. If the person is unconscious, ensure safe lying position and control the respiration. Apply resuscitation if the person does not breathe. Contact the physician immediately. 4.6 Special precautionary measures: Non required. 5 FIRE EMERGENCY PROCEDURES 5.1 Appropriate extinguishing agents: Non-flammable product. Apply agents suitable for flammable materials. 5.2 Forbidden extinguishing agents: Non applicable 5.3 Specific hazard in case of fire: No data available 5.4 Individual protection measures Oxygen insulating respirator, protective clothes, for firemen: protective gloves, eyes and face protection.

3 Updated: 04 April 2008r. Page 3/9 6 PROCEDURES IN CASE OF UNINTENTIONAL RELEASE TO THE ENVIRONMENT Unintentional release of calcinated magnesite does not create hazard for the environment. 6.1 Personal protection Protection of respiratory tracks, glasses or face protection, protective clothes. 6.2 Safety measurements: Avoid dusting and breathing of dust. 6.3 Environment protection: The product does not create hazard for soil, ground water or surface water 6.4 Methods of purification: Collect in a labelled container avoiding dusting and utilize, carefully flush the surface with water. 7 PRODUCT HANDLING AND STORAGE 7.1 Product handling: - Ensure good ventilation - Apply personal protection measures (see 6.1.) - Avoid dusting - Take off contaminated clothes - Do not eat, drink or smoke at the workplace; wash hands after work 7.2 Storage: - In hermetic, closed and labelled containers - In airy, dry storehouses - Protect from heat and humidity 7.3 Specific use: Non applicable

4 Updated: 04 April 2008r. Page 4/9 8 HAZARD CONTROL AND INDIVIDUAL PROTECTION MEASURES 8.1 Hazard boundary values magnesium oxide (dust) - 10 mg/m 3 NDS: calcium oxide (dust) - 2 mg/m 3 iron oxide expressed in Fe (smoke) - 5 mg/m 3 dust containing free silica from 2% to 50%: total dust - 2 mg/m 3 respirable dust - 0,3 mg/m NDSCh: magnesium oxide (dust) non estimated calcium oxide (dust) - 6 mg/m 3 iron oxide expressed in Fe (smoke) - 10 mg/m NDSP: non estimated 8.4 Assessment of the work place hazard: - Resolution of the Minister of Labour and Social Policy of on highest acceptable concentration of hazardous agents at workplace (Journal of Laws, 217/2002, item. 1833) - Resolution of the Minister of Health and Social Welfare of on examination and measurements of hazardous agents at workplace (Journal of Laws, 86, item.394, amended Journal of Laws 21/2003, item 180) - PN-86/Z Ochrona czystości powietrza. Przyrządy i zestawy do pobierania próbek. Postanowienia ogólne i zakres normy." - PN-Z : Ochrona czystości powietrza. Pobieranie próbek. Zasady pobierania próbek powietrza w środowisku pracy i interpretacja wyników." - PN-91/Z Ochrona czystości powietrza. Badania zawartości wolnej krystalicznej krzemionki. Postanowienia ogólne i zakres normy." - PN-91/Z Ochrona czystości powietrza. Badania zawartości wolnej krystalicznej krzemionki. Oznaczanie wolnej krystalicznej krzemionki w pyle całkowitym na stanowiskach pracy metodą spektrofotometrii absorpcyjnej w podczerwieni." - PN-91/Z Ochrona czystości powietrza. Badania zawartości wolnej krystalicznej krzemionki. Oznaczanie wolnej krystalicznej krzemionki w pyle respirabilnym na stanowiskach pracy metodą spektrofotometrii absorpcyjnej w podczerwieni." - PN-87/Z Ochrona czystości powietrza. Badania zawartości tlenku magnezowego i tlenku wapniowego. Postanowienia ogólne i zakres normy." - PN-89/Z Ochrona czystości powietrza. Badania zawartości tlenku magnezowego. Oznaczanie tlenku magnezowego na stanowiskach pracy metodą absorpcyjnej spektrometrii atomowej." - PN-86/Z Ochrona czystości powietrza. Badania zawartości tlenku wapniowego. Postanowienia ogólne i zakres normy." - PN-86/Z Ochrona czystości powietrza. Badania zawartości tlenku

5 Updated: 04 April 2008r. Page 5/9 wapniowego. Oznaczanie tlenku wapniowego na stanowiskach pracy metodą elektrochemiczną." - PN-91/Z Ochrona czystości powietrza. Badania zawartości żelaza i jego związków. Postanowienia ogólne i zakres normy." - PN-79/Z Ochrona czystości powietrza. Badania zawartości żelaza i jego związków. Oznaczanie tlenków żelaza na stanowiskach pracy metodą absorpcyjnej spektrometrii atomowej." - PN-79/Z Ochrona czystości powietrza. Badania zawartości żelaza i jego związków. Oznaczanie tlenków żelaza na stanowiskach pracy metodą kolorymetryczną z rodankiem potasowym." 8.5 System of collective protection: Personal protection measures should be applied. 8.6 Personal protection measures: respiratory system hands eyes and face skin ventilation protective gloves anti-dust glasses protective clothes 8.7 Recommended measures: Avoid skin and eyes contamination. Follow safety instructions. 9 PHYSICAL-CHEMICAL PROPERTIES 9.1 General information: Phase: Colour: Smell: solid white, white-gray, yellow no smell 9.2 Information concerning health, environment and safety: ph value at 20 C: no data available Boiling point: no data available Ignition point: non applicable Flammability: non flammable product Explosiveness border: non applicable Oxidizing properties: non applicable Partial pressure: non applicable Density at 20 C: about 2-2,2 g/cm 3 Solubility in water: non soluble Division factor octanol/water (log P o/w ): no data available

6 Updated: 04 April 2008r. Page 6/9 9.3 Other information: Melting point: no data available Self-ignition point: Bulk density: non applicable 1,0-1,3 g/cm 3 Solubility in other solvents: soluble in dilute acid, non soluble in organic solvents 10 STABILITY AND REACTIVITY 10.1 Stability: The product is stable in normal conditions 10.2 Conditions to be avoided: No data available 10.3 Agents to be avoided: No data available 10.4 Hazardous catabolites: When combined with water, the product creates magnesium hydroxide 11 TOXICOLOGICAL INFORMATION 11.1 Interaction with skin: Does not cause irritation 11.2 Interaction with eyes: Dust may cause irritation 11.3 Oral poisoning: Does not cause irritation 11.4 Poisoning by breathing: Does not cause irritation 11.5 Mutagenic interaction: Not classified as a mutagenic factor 11.6 Carcinogenic interaction: Not classified as a carcinogenic factor 11.7 Influence on reproductiveness: Not classified as toxic for reproductiveness 11.8 Chronic effect: No 11.9 Acute toxicity: No data available

7 Updated: 04 April 2008r. Page 7/9 12 ECOLOGICAL INFORMATION 12.1 Mobility: Non water soluble; may migrate in the air as dust 12.2 Decomposition ability: No data available 12.3 Bio-cumulation ability: No data available 12.4 Eco-toxicity: No data available 12.5 Other: Natural product, no influence on environment expected 13 WASTE HANDLING 13.1 Product waste: Utilize 13.2 Package waste: Empty packages to be transferred to authorized company for recycling or disposal 14 TRANSPORT INFORMATION The product is not classified as hazardous during transportation 15 INFORMATION CONCERNING LAW REGULATIONS 15.1 Classification : Calcinated magnesite is not classified as hazardous according to Directives 67/548 EEC and 1999/45/EU 15.2 Definitions of hazard R: Non applicable 15.3 Definitions of proper handling S: Non applicable

8 Updated: 04 April 2008r. Page 8/ Other regulations: - Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), establishing a European Chemicals Agency, amending Directive 1999/45/EC and repealing Council Regulation (EEC) No 793/93 and Commission Regulation (EC) No 1488/94 as well as Council Directive 76/769/EEC and Commission Directives 91/155/EEC, 93/67/EEC, 93/105/EC and 2000/21/EC - Act of on waste (Journal of Laws. 62, item.628). - Act of on packages and package waste (Journal of Laws. 63,item.638). - Regulation of the Minister of Evironment of concerning waste catalog (Journal of Laws 112, item1206). - Act of on hazardous substances and preparations (Journal of Laws No. 11, item 84 of r.) as amended (2001 Journal of Laws. No. 100 item 1085, No. 123 item 1350, No. 125 item 1367; 2002: Journal of Laws. No. 135 item 1145, No. 142 item1187; 2003 Journal of Laws. No. 189 item 1852; Journal of Laws No. 11 item 94; 2004 Journal of Laws. No. 96 item 959; Journal of Laws. No. 121 item 1263; 2005 Journal of Laws. No. 179 item 1485). - Regulation of the Minister of Health of concerning list of hazardous substances along with their classification and labelling (Journal of Laws. No. 201 item1674). - Regulation of the Minister of Health of concerning obligation of presenting product sheets of some substances not classified as hazardous (Journal of Laws. No. 142 item1194). 16 OTHER INFORMATION Necessary Trainings: Employees should be trained towards proper handling of chemical substances and products. Product sheet should be studied before application of the product.

9 Updated: 04 April 2008r. Page 9/9 Information provided in this document is based on our current knowledge about the described product. In case of mixing with other substances or preparations it is necessary to ensure if additional hazard is not created. In case of misuse of the product other hazardous situations may rise. The product sheet may be used only for safety and hygiene purposes.