42LCBM - Limestone.pdf

Loading ...
Global Do...
News & Politics
119
 
55 Industrial Street 
 
Toronto, Ontario  M4G 3W9 
 
Phone:  416-423-1300 
 
 
 
 
 
 
/ . . . Page 1 
MATERIAL SAFETY DATA SHEET 
LIMESTONE 
 
SECTION I - MATERIAL IDENTIFICATION AND USE 
Material Name/Identifier: 
Limestone 
Chemical Name: 
Limestone 
Chemical Family: 
Carbonate Rock 
Chemical Formula: 
Complex mixture (naturally variable) 
Trade Name and Synonyms:  
Aglime, manufactured sand, aggregate, dolomite, crushed stone 
Molecular Weight: 
Not available 
Material Use: 
Construction, ready mix concrete, concrete products, asphalt, 
agriculture. 
 
SECTION II - HAZARDOUS INGREDIENTS OF MATERIAL 
Limestone: 
A complex mixture (naturally variable composition of primarily 
Calcium and Magnesium Carbonates.  
C.A.S., N.A., or U.N. Number: 
1317  65 - 3 
L.D.: 
Not available 
L.C.: 
Not available 
*Limestone may contain varying concentrations of Quartz (Crystalline Silica) C.A.S., N.A., or U.N. 
Number: 
14808-60-7 
Note:  This MSDS is applicable to limestone only when the Quartz concentration is greater than 0.1 (%) 
percent. 
 
SECTION III - PHYSICAL DATA FOR MATERIAL 
Physical State: 
Solid 
Odour and Appearance: 
No odour; angular grey/brown/ white particles of varying sizes. 
Odour Threshold (P.P.M.): 
Not applicable 
Specific Gravity: 
2.6  2.8  
Vapour Pressure (MM): 
Not applicable 
Vapour Density (Air=1): 
Not applicable 
Evaporation Rate: 
0 
Solubility in Water (20C): 
Negligible 
Boiling Point (C): 
Not applicable 
Freezing Point (C): 
Not applicable 
pH: 
Not applicable 
Percentage Volatile (By volume): 
0 
Coefficient of Water/Oil Distribution: Not applicable 
 
SECTION IV - FIRE AND EXPLOSION HAZARD OF MATERIAL 
Section not applicable 
 
 
 
 
 
 
 
 
 
 
 
/ . . . Page 2 
SECTION V - REACTIVITY DATA 
Chemical Stability: 
Yes 
Incompatibility to Other Substances: No 
Reactivity and Under What Conditions: 
Neutralizing agent for strong acids. 
Hazardous Decomposition Products: CO2 may be released on contact with strong acids 
 
SECTION VI - TOXICOLOGICAL PROPERTIES OF MATERIAL 
Route of Entry: 
Inhalation 
Effects of Acute to Material: 
Exposure to dust may irritate respiratory system.  
Effects of Chronic Exposure to Material: 
1. 
Chronic exposure to respirable limestone dust at levels exceeding exposure limits has caused 
pneumoconiosis. 
2. 
Chronic exposure to respirable limestone dust at levels exceeding exposure limits has caused 
silicosis, a serious and progressive pneumoconiosis that can be disabling, and lead to death.  
Symptoms may appear at any time; even years after exposure has ceased.  Symptoms of 
silicosis may include shortness of breath, difficulty in breathing, coughing, diminished work 
capacity, diminished chest expansion, reduction of lung volume and right heart enlargement and 
or failure.  The only reliable method of detecting silicosis is through a chest X-ray.  Silicosis may 
aggravate other chronic pulmonary conditions and may increase the risk of pulmonary 
tuberculosis infection.  Smoking aggravates the effects of silica exposure.   
L.D. of Material (Specify Species and Route): Not available 
L.C. of Material (Specify Species and Route): Not available 
Exposure Limites (Ontario): 
1.  Limestone (Total Dust) 10mg/metre3  (TWAEV1)  
2.  Respirable Silica Dust 0.2mg/metre3 (TWAEV) 
For additional informaiton on the above exposure limits, consult Ontario Regulations 654/86 and 769/83, 
amended 23/87.   
Irritancy of Material: 
Respiratory system, eyes, skin. 
Sensitization of Material: 
Not available 
Synergisitc Material: 
None known 
Carcinogenicity, Reproducitve Effects, Teratogenicity, Mutagenicity: 
 
As date of preparation of this MSDS: 
1. 
Limestone is not included on the ACGIH, NTP or OSHA lists of potential carcinogens. 
2. 
Silica, in the form of crystalline Quartz, and as a component of this material, is listed as a 
potential carcingoen by IARC.  IARC (Intarnational Agency for Research on Cancer) has 
determined that there is limited evidence of carcinogenicity to humans.  Limited evidence of 
carcinogencity indicates that casual interpretation is credible, but alternate explanations such as 
chance, bias or confounding factors could not adequately be excluded.  There is no evidence that 
limestone is a teratogen, a mutagen or has a reproductive effect. 
 
SECTION VII - PREVENTATIVE MEASURES 
Personal Protective Equipment: 
Respiratory protection should be used whenever dust is 
generated.  Refer to the Ontario Regulation 769/83 as amended 
for respiratory equipment specified for various respirable silica 
dust levels.   
Engineering Controls (Ventilation, Enclosed Process): 
Where feasible, dust levels should be 
reduced through wet suppression, dust collection, ventilation, 
                                                                 
1 Time Weighted Average Exposure Value 
 
 
 
 
 
 
 
/ . . . Page 3 
process enclosure and enclosed pressurized employee work 
stations.   
Leak and Soil Procedure: 
Spilled materials, where dust can be generated, may expose 
clean up personnel to respirable dust.  Wetting of spilled 
materials and/or use of protective respiratory equipment may be 
necessary. 
Waste Disposal: 
Re-use clean materials; dispose of waste materials only in 
accordance with applicable federal, provincial and local laws and 
regulations. 
Handling Procedures and Equipment: Respirable dust may be generated during processing, handling 
and storage-avoid inhalation.  Refer to "Personal Protective 
Equipment-Respiratory". 
Storage Requirements: 
Not applicable 
Special Shipping Information: 
Not applicable 
 
SECTION VIII - FIRST AID MEASURES 
Dust in Eyes: 
Flush out eyes with running water for 15 minutes.  Contact a 
physician if irritation persists.   
Dust on Skin: 
Wash with soap and water.  Contact a physician if irritation is 
aggravated.   
Dust Inhalation: 
Remove to fresh air.  Dust in throat and nasal passage should 
clear spontaneously.  Contact a physician if irritation persists. 
 
SECTION IX - PREPARATION DATE OF MSDS 
 
Prepared by: 
 
 
Manufacturer's Name: 
CBM Aggregates 
 
Address: 
55 Industrial Street 
 
Telephone: 
416-426-1300 
 
Date: 
July 2008 
 
SECTION X - LABEL INFORMATION 
 
Labeling of bulk products is not required, however, label information is as follows: 
 
 
 
 
 
 
 
 
 
 
 
 
 
Additional Notes or References:  Physical irritation may result from handling limestone.  Work gloves and work clothing 
are recommended. 
The company believes that the information contained herein is factual.  The data and information presented are without 
warranty, guarantee or liability on our part, and are presented to the customer for his own consideration, investigation, and 
verification. 
LIMESTONE         
 
 
CAUTION 
DUST INHALATION HAZARD 
 
 Avoid inhalation of dust 
 Wear appropriate personal protection 
equipment