Issue Number: 20 Limestone & Dolomite Date: March 2009

1. IDENTIFICATION OF THE SUBSTANCE / PREPARATION AND Both materials may contain trace OF THE COMPANY / UNDERTAKING quantities of other minerals, metal salts, halides.

1.1 Identification of the substance or preparation This datasheet applies to the following products: 3.1.1 Limestone Composition

1.1.1 Limestone: Limestone Aggregates, Granules and Powders Calcium Carbonate Substance Tradenames: Superlon, Longcal and Longcliffe CaCO3 Trivial Chemical Description: Natural Calcium Carbonate Limestone Name 1.1.2 Dolomite: Magnesium Limestone Aggregates, Granules and Powders CAS 1317-65-3 Tradenames: Golconda Number EINECS Chemical Description: Natural Calcium Magnesium Carbonate 215-279-6 Number 1.2 Use of the substance/preparation Powders and granules typically used as inert filler material in applications such 3.1.2 Dolomite Composition as plastics and rubber and building products. Also used in soil stabilization, Calcium Magnesium animal and pet feeds, and glass manufacture. Aggregates used in concrete, Substance Carbonate construction and landscaping. CaMg(CO3)2 Trivial Dolomite 1.3 Company identification Name Longcliffe Quarries Ltd CAS 16389-88-1 Brassington, Matlock, Derbyshire, DE4 4BZ Number EINECS Telephone : +44 (0)1629 540284 Fax :+44 (0)1629 540569 240-440-2 Number E-mail: [email protected]

3.2 Components presenting a 1.4 Emergency telephone health hazard Emergency telephone number available during office hours: 01629 540284 The products contain no Emergency telephone number available outside office hours: No components classified as dangerous according to EC 2. HAZARDS IDENTIFICATION directive 1999/45/EC.

The products contain no substances classified as being hazardous to health according to EC directive 1999/45/EC. 4. FIRST AID MEASURES

3. COMPOSITION / INFORMATION ON INGREDIENTS When contacting a physician, take this safety datasheet with you. 3.1 Chemical composition Limestone: Calcium Carbonate CaCO3 > 98%. Product is obtained from 4.1 After significant accidental natural minerals; purity level may vary according to their origins. inhalation Remove from exposure into fresh

Dolomite: Calcium Magnesium Carbonate CaMg(CO3)2 > 98%. Product is air. Dust in throat and nasal obtained from natural minerals; purity level may vary according to their passages should clear origins.

Natural Chemistry...Pure Science Limestone Dolomite Safety Data Sheet

spontaneously. In case of serious exposure seek medical advice. Follow the recommendations as given under Heading 8. Carrying 4.2 After contact with eyes limestone or dolomite bags may Do not rub eyes. Remove any contact lenses and open the eyelid(s) widely to cause sprains and strains to the flush eye(s) immediately by thoroughly rinsing with clean water. In case of back, arms, shoulders and legs. irritation seek medical advice. Handle with care and use appropriate control measures. 4.3 After skin contact Wash skin with plenty of soap and water. For limestone or dolomite 4.4 After significant accidental ingestion powders used in open ended Wash out mouth with clean water. In case of discomfort, seek medical advice. mixers:

5. FIRE - FIGHTING MEASURES ƒ Keep the height of the fall low. Start the mixing smoothly. Do Limestone and Dolomite pose no fire-related hazards. not compress empty bags (dust expulsion) except when 5.1 Flashpoint and method contained in another clean bag. Limestone and Dolomite are non-combustible and non explosive and do not ƒ To clean up limestone or facilitate nor support the combustion of other materials. dolomite powder, see heading 6.3. 5.2 Extinguishing media

Carbon dioxide, dry powder, foam, or water. 7.2 Storage Store in a dry, well ventilated area. 5.3 Fire fighting equipment Keep containers tightly closed. Do No need for specialist protective equipment for fire fighters. not store near acids. Bagged

5.4 Combustion products product should be stacked in a o Above 825 C Carbon dioxide (CO2) evolution. stable manner.

6. ACCIDENTAL RELEASE MEASURES 8. EXPOSURE CONTROLS / PERSONAL 6.1 Personal protective measures PROTECTION Wear protective equipment as described under Heading 8 and follow the advice for safe handling and use given under Heading 7. Emergency 8.1 Exposure limit values procedures are not required. Workplace exposure Limits (WEL). 8hr Time Weighted 6.2 Environment protection measures Average (TWA) values: No special precautions required but avoid whenever possible washing

Limestone or Dolomite powders down sewage and drainage systems or into Dust, total inhalable : bodies of water (e.g. streams). WEL 10mg/m3 8h TWA Dust, respirable : 6.3 Methods for cleaning up WEL 4mg/m3 8h TWA Recover the spillage in a dry state if possible. Try to minimise airborne dispersion. Sweep and shovel material into suitable containers for disposal 8.2 Exposure controls before disposal as described under Heading 13. 8.2.1 Occupational exposure controls

7. HANDLING AND STORAGE (a) Respiratory protection: Dust masks should be used when Normal precautions for the handling of chemicals should be observed. handling powder or granular material. Suitable respiratory 7.1 Handling protection should be worn to

Limestone Dolomite Safety Data Sheet Natural Chemistry...Pure Science

ensure that personal exposure is less than the WEL. 10.3 Hazardous Decomposition Products (b) Hand protection: The use of gloves is recommended for handling Carbon Dioxide (CO2) – oxygen aggregates, granules and powders. displacement

11. TOXICOLOGICAL (c) Eye protection: Protection is recommended. Wear approved glasses or INFORMATION safety goggles according to EN 166 to prevent contact with eyes.

Acute Toxicity LD50/oral/rat = (d) Skin protection: Long-sleeved protective clothing is recommended when >5000mg/kg. working with powders and granules. Not classified as harmful if swallowed

Local Effects 9. PHYSICAL AND CHEMICAL PROPERTIES Mild irritation of eyes Chronic Toxicity – 9.1 General information No none effects Carcogenic Mutagenic Limestone Dolomite Physical form Powder/granules/chippings Powder/granules/chippings 12. ECOLOGICAL Colour Grey white/white Buff brown INFORMATION

Odour None None 12.1 Ecotoxicity Limestone or dolomite are natural 9.1 Physical data minerals of the earth and in a

dissolved state, the substance(s) Limestone Dolomite are natural and indispensable pH (saturated solution) 8.5 – 9.5 8.5 – 9.5 components of natural waters. Boiling Range/Point Not applicable Not applicable Therefore, unfavourable effects to

Melting Point 1339oC 1339oC the environment may be excluded.

Decomposition Temperature above 825 oC above 825 oC Concentrated suspensions of Flash Point (PMCC) Not applicable Not applicable limestone or dolomite in natural Auto-flammability Not auto-flammable Not auto-flammable waters may have an unfavourable Flammability Non-flammable Non-flammable effect on water organisms (disturbance of the microflora and Stable under normal Stable under normal Explosive Properties conditions conditions fauna in the sediment and the Negligible vapour pressure Negligible vapour pressure subsequent existence of higher Vapour Pressure at ambient conditions at ambient conditions water organisms). Relative Density 2.6 – 2.8 g/cm3 2.6 – 2.8 g/cm3 0.014 g/l (20 oC) 0.014 g/l (20 oC) 12.2 Mobility Solubility in Water 0.018 g/l (75 oC) 0.018 g/l (75 oC) Limestone or dolomite are not volatile but might become airborne during handling 10. STABILITY AND REACTIVITY operations.

Stable under normal conditions. 12.3 Persistence and degradability

Calcium carbonate or Calcium 10.1 Conditions to avoid magnesium carbonate cannot No specific recommendations. biodegrade. 10.2 Materials to avoid Acids. Reacts to form Carbon dioxide (CO2).

Natural Chemistry...Pure Science Limestone Dolomite Safety Data Sheet

12.4 Bioaccumulative potential/Results of PBT 16.2 Abbreviations assessment/Other adverse effects No data currently available. ƒ IMDG: International Maritime Dangerous Goods 13. DISPOSAL CONSIDERATIONS ƒ IATA: International Air Transport Association 13.1 Product Disposal ƒ ADR/RID: Agreement on the Dispose of in accordance with all applicable local and national regulations. transport of dangerous goods

by road/Regulations on the 13.2 Packaging Dispose of in accordance with all applicable local and national regulations. international transport of dangerous goods by rail

14. TRANSPORT INFORMATION ƒ LD50 Lethal Dose where 50% of the test animals dies. See Heading 8 for general handling precautions. 16.3 Disclaimer Classification Not classified as hazardous for transport The information provided by this Safety Data Sheet is, to the best of Road (ADR) Not restricted the Company’s knowledge and Rail (RID) Not restricted belief, correct. The contents of Sea (IMDG) Not restricted the document are designed to give Air (ICO/IATA) Not restricted guidance on the safe storage, transportation, handling, use, processing, disposal and release of 15. REGULATORY INFORMATION the material specified. It may not necessarily be valid for the 15.1 Classification and labelling of limestone according to material if it is used in conjunction 1999/45/EC with any other materials not Not classified as hazardous for supply in the meaning of EU Directives. specified in the text. In such cases,

or where doubts occur, further R-phrase(s): None S-phrase(s): None information should be sought from

15.2 National legislation/requirements the relevant sources.

ƒ Health and Safety at Work etc Act 1974 Safety Data Sheet prepared ƒ HSE Guidance Note EH40 (Workplace Exposure Limits) according to Annex II of the ƒ COSHH regulations 2002 REACH Regulation (EC) ƒ Enivironmental protection act 1990 1907/2006 of the European ƒ Manual Handling Operations Regulations Parliament.

16. OTHER INFORMATION

16.1 Reference listings

TSCA Inventory listed under CAS No. 1317-65-3 (Limestone) and TSCA Listing CAS No. 16389-88-1 (Dolomite) Calcium carbonate/Limestone and Calcium magnesium FDA List Number carbonate/Dolomite are GRAS Limestone and Dolomite are exempt from the PDSL (naturally DSL/NDSL Listing occurring substance) ACOIN edition 92 listed under CAS No. 1317-65-3 (Limestone) AICS Listing and CAS No. 16389-88-1 (Dolomite) MITI Number 1-122-122

Limestone Dolomite Safety Data Sheet Natural Chemistry...Pure Science