AMERICAN STONE-MIX INC -- NATURAL PLAY SAND -- 5610-00N020944 
=====================  Product Identification  =====================

Product ID:NATURAL PLAY SAND
MSDS Date:03/04/1991
FSC:5610
NIIN:00N020944
=== Responsible Party ===
Company Name:AMERICAN STONE-MIX INC
Address:8320 BELLONA AVENUE
City:TOWSON
State:MD
ZIP:21204-2012
Country:US
Info Phone Num:301-296-6770
Emergency Phone Num:301-296-6770
Preparer's Name:ED P WEILL
CAGE:AMERI
=== Contractor Identification ===
Company Name:AMERICAN STONE-MIX INC
Address:8320 BELLONA AVENUE
Box:City:TOWSON
State:MD
ZIP:21204-2012
Country:US
Phone:301-296-6770
CAGE:AMERI

=============  Composition/Information on Ingredients  =============

Ingred Name:SILICA, CRYSTALLINE - QUARTZ
CAS:14808-60-7
RTECS #:VV7330000
OSHA PEL:SEE TABLE Z3
ACGIH TLV:0.1 MG/M3 RDUST;9293

Ingred Name:PH: 11 - 12.5
RTECS #:9999999ZZ

Ingred Name:FIRST AID PROC: SENSITIVE/ALLERGIC PERS. IN CASES OF
    EXTREME DISTRESS WASH EYES CAREFULLY & GENTLY W/WARM WATER (ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3: AND SEEK MEDICAL ATTENTION.
RTECS #:9999999ZZ

Ingred Name:MATLS TO AVOID: BY STRONG ALKALIS. WILL COMBINE CHEMICALLY
    W/MANY METALLIC OXIDES UPON HEATING AT HIGH TEMPS. (ING 6)
RTECS #:9999999ZZ

Ingred Name:ING 5: WILL REACT W/H*2O TO FORM SOLID MASS.
RTECS #:9999999ZZ

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:YES	 OSHA:NO
Health Hazards Acute and Chronic:SKIN: WEAR APPROP WORK CLOTHING TO
    MINIMIZE SKIN CONT & SKIN ABRASION. WASH SKIN AT EACH SHIFT CHANGE.
    MAY CAUSE IRRIT DUE TO HIGH PH. INGEST: BEFORE EATING, HANDS/FACE
    SHOULD BE WASHED. ALL FOOD & LU NCHES SHOULD BE KEPT & EATEN IN
    SEPARATE LUNCH ROOMS. DO NOT EAT, DRINK OR SMOKE IN WORK AREAS
    WHERE(EFTS OF OVEREXP)
Explanation of Carcinogenicity:CRYSTALLINE SILICA: GROUP 2A(IARC).
Effects of Overexposure:HLTH HAZ: EXPOSURE TO SILICA DUST MAY BE
    EXCESSIVE. HIGH PH MAY CAUSE IRRITATION. DO NOT INDUCE VOMITING DUE
    TO ASPHYXIATION RISK. INHAL: CRYSTALLINE SILICA IN THE LUNG CAN
    PRODUCE A PNEUMOCONIOSIS, C OMMONLUY CALLED SILICOSIS, WHICH IS A
    CHRONIC SLOWLY DEVELOPING DISEASE. HIGH PH CAN CAUSE IRRITATION.
    (SUPP DATA)
Medical Cond Aggravated by Exposure:CHRONIC LUNG SCARRING LEADS TO
    PROGRESSIVE MASSIVE FIBROSIS THAT IS OFTEN ACCOMPANIED BY INCREASED
    SYSCEPTIBILITY TO THE RISK OF IMPAIRED HEALTH DUE TO A COMBINATION
    OF SMOKING AND SILICA DUST EXPOS.

=======================  First Aid Measures  =======================

First Aid:IF KNOWN ACUTE EXPOS OR INCIDENT OCCURS, IMMEDIATELY CALL A
    PHYSICIAN OR THE NEAREST MEDICAL FACILITY. INHAL: IMMEDIATELY
    REMOVE PERSON FROM THE CONTAM AREA. FOR EXTREME RESP DISTRESS ADMIN
    O2. SKIN:  REMOVE AFFECTED CLOTHING AND WASH THE SKIN AREA EXPOSED.
    INGEST: WHILE INGESTION IS UNLIKELY, IF SUCH INCIDENT OCCURS REFER
    PERSON TO A PHYSICIAN. EYE: SAND MAY BE IRRIT TO EYES OF(ING 3)

=====================  Fire Fighting Measures  =====================

Flash Point:NONCOMBUSTIBLE
Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO THE
    SURROUNDING FIRE.
Fire Fighting Procedures:NO FIRE/EXPLOS DANGER. MATERIAL IS NOT
    COMBUSTIBLE. WEAR NIOSH/MSHA APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

==================  Accidental Release Measures  ==================

Spill Release Procedures:CLEAN UP WITH DUSTLESS METHOD (USE VACUUM OR
    WET SWEEPING). PROVIDE VENTILATION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

======================	Handling and Storage  ======================

Handling and Storage Precautions:USE DUSTLESS SYSTEM OF STORAGE AND
    HANDLING. KEEP AREA WELL VENTILATED.
Other Precautions:USE GOOD HOUSEKEEPING TECHNIQUES. DO NOT PERMIT ACCUM
    OF DUST IN WORKPLACE. MAINTAIN/CLEAN/TEST RESPIRATORS, VENT AND
    DUST COLLECTION EQUIPMENT. WASH CONTAMINATED CLOTHING. NO SMOKING
    IN AREA OF USE.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:REFER TO ORIGINAL MSDS FOR RESPIRATORY
    RECOMMENDATIONS 
Ventilation:LOCAL EXHAUST- AS APPROP. USE MECH EXHST TO ENSURE THAT
    EMPLOYEE EXPOS TO RESPIRABLE SILICA & DUST DO NOT EXCEED TLV.
Protective Gloves:NOT REQUIRED.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NIOSH/MSHA APPRVD PARTICULATE FILTER RESP.
    AIR SUPPLIED HOODS FOR BLASTERS. HEARING PROTECTORS WHEN
    SANDBLASTING.
Work Hygienic Practices:USE GOOD HOUSEKEEPING TECHNIQUES.
Supplemental Safety and Health
EFTS OF OVEREXP: INGEST: NON-TOXIC. SIGNS AND SYMPTOMS OF EXPOSURE
    INCLUDE DYSPEPSIA (CAUSED BY MANY LUNG SCARS THAT DEVELOP FROM THE
    SILICA DUST), PAIN IN THE CHEST, DECREASED VITAL CAPACITY AND COUG
    H.

==================  Physical/Chemical Properties  ==================

HCC:N1
Boiling Pt:B.P. Text:4046F,2230C
Melt/Freeze Pt:M.P/F.P Text:3110F,1710C
Spec Gravity:2.65
pH:ING 2
Evaporation Rate & Reference:NONE
Solubility in Water:NONE
Appearance and Odor:SOLID. GREY. ODORLESS.

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
REACTS WITH HYDROFLUORIC ACID TO GENERATE VOLATILE, CORROSIVE GAS,
    SIF4(SILICON TETRAFLUROIDE). MAY BE ATTACKED (ING 5)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE.

====================  Disposal Considerations  ====================

Waste Disposal Methods:FOLLOW FEDERAL, STATE AND LOCAL REGULATIONS FOR
    SOLID WASTE.

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.