SDS

MK Minerals Inc | PO Box 289 | Wamego, KS 66547 | 785-456-6906 | Fax [phone]
VI. ACCIDENTAL RELEASE MEASURES
In situations when material is released or spilled, sweep up and remove from affected area, and reuse clean material. Avoid
generating dust. Do not clean up with compressed air. Minimize dust by evacuating area downwind in the case of large spills.
Store contaminated materials in dry, sealed plastic or non-aluminum metal containers. Residues on surfaces may be washed
with water.
None of the components in this product are subject to the reporting re of Title III or SARA, 1986 and 40 CFR 372/
VII. HANDLING AND STORAGE
Store in a cool, dry and ventilated area. Do not store near acids or other incompatible materials. Keep away from moisture.
Respirable quartz containing dust may be generated during processing, handling and storage. Do not breathe dust and avoid
contact with skin or eyes.
VIII. EXPOSURE CONTROLS/PERSONAL PROTECTION
Ventilation should be sufficient to maintain dust levels below applicable exposure levels. Safety glasses or goggles, gloves, dust
mask, and long-sleeved clothing are recommended when dust levels are excessive.
IX. PHYSICAL AND CHEMICAL PROPERTIES
BOILING POINT: NA(Not Applicable) APPEARANCE & ODOR: Grey/Brown Granule
VAPOR PRESSURE: NA FLASH POINT: Not flammable
VAPOR DENSITY AIR = 1: NA MELTING POINT: NA
SOLUBILITY IN H
2
O: Slight EVAPORATION RATE: NA
X. STABILITY AND REACTIVITY
STABILITY: Stable CONDITIONS TO AVOID: Temperatures of 825 degrees C
INCOMPATABILITY (MATERIALS TO AVOID):
Material is soluble in acid with concomitant release of carbon dioxide. Avoid exposure to acids.
HAZARDOUS DECOMPOSITION PRODUCTS: When heated about 825 degrees C, product may decompose to calcium
oxide with release of carbon dioxide.
XI. TOXICOLOGICAL INFORMATION
Calcium Carbonate
MK Minerals
has not conducted specific toxicity tests on this product.
EXPOSURE ROUTE: Inhalation, skin, and/or eye contact. TARGET ORGANS: Eyes, skin, respiratory system.
ACUTE EFFECT: Calcium carbonate dust has an irritant effect on eyes, skin, and respira
tory system. It has been reported that
there may be a silicosis risk when using impure limestone containing an excess of 3% quarts. However, it is claimed that pur
e
calcium carbonate does not cause pneumoconiosis. Adverse health effects have general not
been reported in literature among
workers exposed to CaCO3.
XII. ECOLOGICAL INFORMATION
Calcium Carbonate
MK Minerals has not conducted specific ecological tests on this product.
XIII. DISPOSAL CONSIDERATIONS
WASTE DISPOSAL METHOD
Calcium
carbonate (limestone) is not classified as a hazardous waste under RCTA Section 3001. Use normal waste disposal
procedures that are in compliance with federal, state, and local regulations.