SDS

Section 5: Fire-Fighting Measures
Extinguishing media
Suitable Extinguishing Media
•
LARGE FIRE: Water spray, fog or regular foam.
SMALL FIRES: Dry chemical, CO2, water spray or regular foam.
Unsuitable Extinguishing Media
•
No data available
Special hazards arising from the substance or mixture
Unusual Fire and Explosion Hazards
•
No data available
Hazardous Combustion Products
•
No data available
Advice for firefighters
•
Wear positive pressure self-contained breathing apparatus (SCBA).
Structural firefighters' protective clothing will only provide limited protection.
Section 6 - Accidental Release Measures
Personal precautions, protective equipment and emergency procedures
Personal Precautions
•
Do not walk through spilled material. Wear appropriate personal protective equipment,
avoid direct contact.
Emergency
Procedures
•
As an immediate precautionary measure, isolate spill or leak area for at least 25 meters (75
feet) in all directions. If tank, rail car or tank truck is involved in a fire, ISOLATE for 800
meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile)
in all directions. Keep unauthorized personnel away.
Environmental precautions
•
Avoid run off to waterways and sewers.
Methods and material for containment and cleaning up
Containment/Clean-up
Measures
•
Avoid generating dust.
SMALL DRY SPILLS: With clean shovel place material into clean, dry container and cover
loosely; move containers from spill area.
LARGE SPILLS: Cover powder spill with plastic sheet or tarp to minimize spreading.
Section 7 - Handling and Storage
Precautions for safe handling
Handling
•
Use only with adequate ventilation. Minimize dust generation and accumulation. Wear appropriate
personal protective equipment, avoid direct contact. Do not breathe dust. Avoid contact with skin, eyes,
and clothing. Wash thoroughly after handling.
Conditions for safe storage, including any incompatibilities
Storage
•
Store in a well-ventilated place.
Section 8 - Exposure Controls/Personal Protection
Control parameters
Exposure Limits/Guidelines
Result ACGIH NIOSH OSH
A
Calcium
monocarbonate
(471-34-1)
TWAs Not established
10 mg/m3 TWA (total dust); 5
mg/m3 TWA (respirable dust)
Not established
Gypsum
(13397-24-5)
TWAs
10 mg/m3 TWA (inhalable
particulate matter, listed under
Calcium sulfate)
10 mg/m3 TWA (total dust); 5
mg/m3 TWA (respirable dust)
15 mg/m3 TWA (total dust); 5
mg/m3 TWA (respirable fraction)
Portland cement
(65997-15-1)
TWAs
1 mg/m3 TWA (particulate matter
containing no asbestos and <1%
10 mg/m3 TWA (total dust); 5
mg/m3 TWA (respirable dust)
15 mg/m3 TWA (total dust); 5
mg/m3 TWA (respirable fraction)