Control Measures 
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Preparer Co. when other than Responsible Party Co. 
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Assigned Ind: Y
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Contractor Summary 
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Ingredients 
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OSHA PEL: 0.1 MG/CUM RESP DUST
ACGIH TLV: 0.1 MG/CUM RESP DUST
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Health Hazards Data 
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Route Of Entry Inds - Inhalation: YES
Skin: NO
Ingestion: NO
Carcinogenicity Inds - NTP: YES
IARC: YES
OSHA: NO
Effects of Exposure: INHALATION OF CRYSTALLINE SILICA DUST MAY CAUSE SILICOSIS,
  A DISABLING, PROGRESSIVE & SOMETIMES FATAL PULMONARY FIBROSIS IN THE
  LUNGS.
Explanation Of Carcinogenicity: SEE INGREDIENTS.
Signs And Symptions Of Overexposure: COUGH, SHORTNESS OF BREATH, CONGESTION,
  CHEST PAIN/ILLNESSES
First Aid: INHALATION: MOVE AWAY TO FRESH AIR AT ONCE. IF BREATHING HAS
  STOPPED, PERFORM ARTIFICIAL REPIRATION. EYES: WASH IMMEDIATELY W/LARGE
  AMOUNTS OF WATER. OBTAIN MEDICAL ATTENTION IN ALL CASES.
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Handling and Disposal
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Spill Release Procedures: RESTRICT AREA FROM PERSONS NOT WEARING PROTECTIVE
  EQUIPMENT & CLOTHING. VENTILATE AREA TO REDUCE DUST CONCENTRATION. CLEAN
  UP BY RECOMMENDED DUSTLESS METHODS - WATER/VACUUM.
Waste Disposal Methods: SECURED SANITARY LANDFILL IN ACCORDANCE W/LOCAL, STATE
  & FEDERAL REGULATIONS.
Handling And Storage Precautions: USE DUSTLESS SYSTEMS FOR HANDLING, STORAGE
  & CLEAN-UP. VENTILATE WORK AREA, TEST FOR PRESENCE & CONCENTRATION OF
  RESPERIABLE SILICA.
Other Precautions: MAINTAIN VENTILATION SYSTEM, POST WARNING TO EMPLOYEES WHERE
  PRODUCT IS USED, STORED & HANDLED. REGULAR CHEST X-RAY & SPIROMETRY
  ARE RECOMMENDED.
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Fire and Explosion Hazard Information 
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Flash Point Text: NON-COMBUSTIBLE
Fire Fighting Procedures: NO ACUTE HAZARD. AVOID BREATHING VAPORS/DUST.
Unusual Fire/Explosion Hazard: CONTACT W/POWERFUL OXIDIZING AGENTS MAY CAUSE
  FIRES.
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Respiratory Protection: USE NIOSH/MSHA APPROVED RESPIRATORS IF EXPOSURE EXCEEDS
  0.1 MG/CUM OVER AN 8 HOUR PERIOD.
Ventilation: LOCAL EXHAUST/GENERAL DILUTION TO MEET PELS.
Work Hygienic Practices: PRACTICE GOOD HOUSEKEEPING.
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Physical/Chemical Properties 
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Solubility in Water: INSOLUBLE
Appearance and Odor: COLORLESS & ODORLESS
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Reactivity Data 
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Stability Indicator: YES
Stability Condition To Avoid: NONE
Materials To Avoid: OXIDIZING AGENTS. SILICA IS ATTACKED BY HYDROFLUORIC ACID.
Hazardous Decomposition Products: NONE
Hazardous Polymerization Indicator: NO
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Toxicological Information 
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Ecological Information 
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Regulatory Information 
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Other Information 
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HAZCOM Label 
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Assigned IND: Y
Company Name: HOLLIDAY SAND & GRAVEL CO
Label Required IND: Y
Status Code: C
Origination Code: G
Hazard And Precautions: INHALATION OF CRYSTALLINE SILICA DUST MAY CAUSE
  SILICOSIS, A DISABLING, PROGRESSIVE & SOMETIMES FATAL PULMONARY FIBROSIS
  IN THE LUNGS.        
  COUGH, SHORTNESS OF BREATH, CONGESTION, CHEST PAIN/ILLNESSES
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