Material Safety Data Sheet

for

Ready-Mix Concrete

I. Product Identification

Manufacturer name and address: Concrete Supply of Illinois, LLC #1 Racehorse Drive East. St. Louis, IL 62205	Trade name: Ready-Mix Concrete Department of Transportation ID: None
Telephone number for information: 1-618-646-5397

II. Composition Information

Major Compounds
Chemical Name	CAS Registry Number	% in this product
Aggregate	Mixture	60-100
Limestone (Calcium Carbonate)	1317-65-3	0-100
Crystalline Silica	14808-60-7	>1
Portland Cement	65997-15-1	3-40

III. Physical/Chemical Characteristics

Boiling point:	N/A
Specific gravity (H20 = 1):	2.6-2.75
Vapor pressure (mm Hg):	N/A
Melting point:	N/A
Vapor density (AIR - 1):	N/A
Evaporation rate:	N/A
Solubility in water:	Not Soluble
Appearance and odor:	Crystalline Silica is angular grey, white, and tan particles ranging in size from powder to boulders; no odor. Concrete is hard grey mass; no odor (plastic as delivered)