PRODUCT NAME: GYPSUM
TRADE NAME: Agricultural Gypsum, Hoe-Down Gypsum Soil Conditioner and Easy Grow Soil Conditioner
SYNONYMS: N/A
CHEMICAL FAMILY: N/A
CHEMICAL FORMULA: N/A
CAS NUMBER: None
MANUFACTURERE’S NAME AND ADDRESS
      Standard Gypsum-LP
      1650 Gypsum Mine Road
      Fredericksburg, TX 78624

EMERGENCY TELEPHONE NUMBER: 936-829-5511
DATA PREPARED OR REVISED: March 2002

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SECTION II – HAZARDOUS INGREDIENTS

*The value is for inhalable (total) particulate containing no asbestos and <1% crystalline silica.

NOTE: Although Agency and/or court decision(s) could affect these exposure values, the Company will continue to utilize these values, as the MSDS PEL.

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SECTION III – PHYSICAL PROPERTIES

DESCRIPTION

White to off white large rocks to powdered calcium sulfate hemihydrate rock which may or may not contain trace amounts of other naturally occurring material.

PHYSICAL DATA

BOILING POINT – Not Applicable
SPECIFIC GRAVITY – Not Applicable
VAPOR PRESSURE (MM OF Mercury) – Not Applicable
VAPOR DENSITY (Air=1) – Not Applicable
%VOLATILES BY VOLUME – Not Applicable
EVAPORATION RATE (Butyl Acetate =1) – Not Applicable
SOLUBILITY IN H20 (% BY WT.) – 0.241 gs/100cc
REACTIVITY IN WATER – None
PH – Not Applicable
APPEARNACE AND ODOR – White, chalky appearance.

SECTION IV – FIRE AND EXPLOSION DATA

FLASH POINT – Not Applicable
AUTO IGNITION TEMPERATURE – Not Applicable
FLAMMABLE LIMITS (% BY volume) – Not Applicable
FIRE EXTINGUISHING MEDIA – Not Applicable
SPECIAL FIRE FIGHTING PROCEDURES – Not Applicable

UNUSUAL FIRE AND EXPLOSION HAZARDS – Gypsum does not present any unusual fire and explosion hazards.

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SECTION V – HEALTH HAZARD DATA

It is recommended that during crushing, grinding, or mechanical distribution appropriate Personal Protective Equipment (PPE) be utilized commensurate with any exposure hazard (eye protection, gloves, long sleeves and pants, respirator). The utilization of side shield safety glasses, MIOSH approved respirator, etc., may be necessary. Inhalation of dust generated could irritate nasal and throat tissues, eyes and skin.

EMERGENCY FIRST AID PROCEDURES

Inhalation, Eyes, Skin – Remove to fresh air. Irrigate with fresh water for at least 15 minutes. If irritation or other symptoms persist, consult a physician. Ingestion – Do not ingest.

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SECTION VI – REACTIVITY DATA

STABILITY – Stable
CONDITONS TO AVOID – High relative humidity can cause caking.
INCOMPATIBILITY (materials to avoid) – None
HAZARDOUS DECOMPOSTION PRODUCTS – None
HAZARDOUS POLYMERIZATION – Will not occur

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SECTION VII – SPECIAL PRECAUTION PROCEDURES

PRECAUTIONS AND SAFE HANDLING: Side shield safety glasses and gloves should be worn when handling the product.
STEPS TO BE TAKEN IF SPILLED OR RELEASED: See above.
WASTE DISPOSAL METHOD: Landfill in accordance with local, state, and federal regulations. This product, under RCRA, is not considered to be hazardous.

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SECTION VIII – SPECIAL PROTECTION INFORMATION

RESPIRATORY PROTECTION

Not required for normal handling and use of product. However, the warning of NIOSH approved breathing protection may be necessary for exposure to dust. Respirators are required if air contaminants exceed OSHA PE.

VENTILATION

Local Exhaust: Necessary to remove dust.
Mechanical: Ventilate to assure dust levels are below OSHA PEL for nuisance dust.

EYE PROTECTION

Wear appropriate eye protection, side shields safety goggles if exposure to gypsum dust is possible.

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SECTION IX – REGULATORY INFORMATION

CALIFORNIA PROPOSITION 65 – Safe Drinking Water and Toxic Enforcement Act: Title 22 California Code of Regulation
California Proposition 65 provides for labeling and disclosure of the presence of a chemical(s) known to the State of California to cause cancer or reproductive toxicity.

SARA Section 313 Form R: Chemicals contained within or emitted from this product, in the company’s opinion, do not exceed levels set by the Agency which would trigger reporting under this section.

ODS: During the manufacture of this product there is no intended use of listed ozone depleting chemicals as defined in applicable EPA regulations.