AMERICAN STONE-MIX INC -- CONCRETE RESURFACER  -- 5610-00N070690
<pre>=====================  Product Identification  =====================

Product ID:CONCRETE RESURFACER
MSDS Date:03/04/1991
FSC:5610
NIIN:00N070690
=== 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:PORTLAND CEMENT
CAS:65997-15-1
RTECS #:VV8770000
Fraction by Wt: 10-33%
OSHA PEL:50 MPPCF
ACGIH TLV:10 MG/M3 TDUST

Ingred Name:SILICA, CRYSTALLINE - QUARTZ
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: 67-90%
OSHA PEL:SEE TABLE Z-3
ACGIH TLV:0.1 MG/M3 RDUST

Ingred Name:OTHER PREC: DUSTY. DO NOT BEAT DUST FROM CLTHG. MFR RECS
    SMKNG BE PROHIBITED IN ALL AREAS WHERE RESPS MUST BE (ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3: USED. WARN EMPLOYEES BY POSTING & OTHER MEANS OF HAZ
    & OSHA PREC TO BE USED. PROVIDE TRAINING FOR (ING 5)
RTECS #:9999999ZZ

Ingred Name:ING 4: YOUR EMPLOYEES ABOUT THE OSHA PRECAUTIONS.
RTECS #:9999999ZZ

Ingred Name:RESP PROT: RESP, EXCEPT SINGLE-USE/QUARTER-MASK RESP. ANY
    FUME RESP/HIGH EFFICIENCY PARTICULATE FILTER RESP. ANY (ING 7)
RTECS #:9999999ZZ

Ingred Name:ING 6: SUPP-AIR RESP. ANY SCBA. 50X0.1MG/M3/LESS: HIGH
    EFFICIENCY PARTICULATE FILTER RESP W/FULL FACEPIECE. ANY (ING 8)
RTECS #:9999999ZZ

Ingred Name:ING 7: SUPP-AIR RESP W/FULL FACEPIECE, HELMET/HOOD. ANY
    SCBA W/FULL FACEPIECE; 500X0.1MG/M3: POWERED AIR- (ING 9)
RTECS #:9999999ZZ

Ingred Name:ING 8: PURIFYING RESP W/HIGH EFFICIENCY PARTICULATE FILTER.
    TYPE C SUPP-AIR RESP OPERATED IN PRESS/CONTINUOUS (ING 10)
RTECS #:9999999ZZ

Ingred Name:ING 9: FLOW MODE; >500X0.1MG/M3/FOR ENTRY ESCAPE FROM
    UNKNOWN CONCS: SCBA W/FACEPIECE OPERATED IN PRESS DEMAND (ING 11)
RTECS #:9999999ZZ

Ingred Name:ING 10: & OTHER POS PRESS MODE. COMBINATION RESP WHICH INCL
    TYPE C SUPP-AIR RESP W/FULL FACEPIECE OPERATED IN (ING 12)
RTECS #:9999999ZZ

Ingred Name:ING 11:PRESS-DEMAND/OTHER POS PRESS/CONTINUOUS FLOW MODE &
    AUXILIARY SCBA OPERATED IN PRESS-DEMAND/OTHER POS PRESS MODE.
RTECS #:9999999ZZ

Ingred Name:OTHER PROT EQUIP: GENERATES EXCESS NOISE LEVELS.
    SANDBLASTERS REQUIRE SPEC PROT EQUIP & SFTY PREC. WEAR APPROP (ING
    14)
RTECS #:9999999ZZ

Ingred Name:ING 13: WORK CLOTHING TO MINIMIZE SKIN CONTACT AND SKIN
    ABRASION.
RTECS #:9999999ZZ

Ingred Name:HYGIENE PRACT: & EATEN IN SEPARATE LUNCH ROOMS. DO NOT EAT,
    DRINK OR SMOKE IN WORK AREAS WHERE EXPOSURE TO (ING 16)
RTECS #:9999999ZZ

Ingred Name:ING 15: SILICA DUST MAY BE EXCESSIVE.
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:ACUTE: SKIN: MAY CAUSE IRRIT DUE TO
    HIGH PH. INGEST: HIGH PH MAY CAUSE IRRIT. INHAL: HLTH HAZ CAN OCCUR
    FROM EXCESS INHAL OF SILICA DUST. CRYSTALLINE SILICA IN LUNG CAN
    PRDCE PNEUMOCONIOSIS, COMMONLY  CALLED SILICOSIS, WHICH IS A
    CHRONIC SLOWLY DEVEL DISEASE. HIGH PH CAN CAUSE IRRIT. SILICOSIS
    ADULT (EFTS OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ: IARC MONO,
    SUPP, VOL 7, PG 341, 1987: GROUP 2A. NTP 7TH ANNUAL RPT ON CARCINS,
    (SUP DAT)
Effects of Overexposure:HLTH HAZ: DISEASE (PNEUMOCONIOSIS) OF LUNGS
    RSLTG FROM OVEREXP TO FREE SIO*2 DUST, USUALLY BEGINS INSIDIOUSLY
    W/SYMPS OF COUGHING, DYSPEPSIA, WHEEZING & RPTD NON-SPEC CHEST
    DISEASES. SIGNS & SYMPS OF	EXPOS: DYSPNEA (CAUSED BY MANY LUNG
    SCARS THAT DEVELOP FROM SILICA DUST), PAIN IN CHEST, DRCRD VITAL
    CAPACITY & COUGH.
Medical Cond Aggravated by Exposure:CHRONIC LUNG SCARRING LEADS TO
    PROGRESSIVE MASSIVE FIBROSIS THAT IS OFTEN ACCOMPANIED BY INCRD
    SUSCEPTIBILITY TO RISK OF IMPAIRED HLTH DUE TO COMBINATION OF
    SMOKING & SILICA DUST EXPOSURE.

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

First Aid:IF KNOWN ACUTE EXPOS/INCIDENT OCCURS, IMMED CALL MD/NEAREST
    MED FACILITY. INHAL:IMMED REMOVE FROM CONTAM AREA. FOR EXTREME RESP
    DISTRESS ADMIN OXYGEN. SKIN:REMOVE AFFECTED CLTHG & WASH SKIN AREA
    EXPOS ED. INGEST:REFER TO MD. DO NOT INDUCE VOMIT DUE TO ASPHY
    RISK. EYE: SAND MAY BE IRRIT TO EYES OF SENSITIVE/ALLERGIC PERS.
    WASH EYES CAREFULLY & GENTLY W/WARM WATER FOR AT LEAST 15 MIN &
    SEEK MED ATTN.

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

Flash Point:NONE
Extinguishing Media:USE MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT . MATERIAL IS NOT COMBUSTIBLE.
Unusual Fire/Explosion Hazard:NONE.

==================  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 SYS FOR STOR, HNDLG &
    CLEAN UP SO THAT AIRBORNE DUST DOES NOT EXCEED PEL. KEEP AREA WELL
    VENT. USE GOOD HOUSEKEEPING TECHNIQUES.
Other Precautions:USE ADEQ VENT & DUST COLLECTION. DO NOT PERMIT DUST
    TO COLLECT ON WALLS, FLOORS, SILLS, LEDGES, MACHINERY/EQUIP.
    MAINTAIN, CLEAN & TEST RESPS I/A/W OSHA REGS. MAINTAIN & TEST VENT
    & DUST COLLECTION EQ UIP. WASH CLTHG WHICH HAS BECOME (ING 3)

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

Respiratory Protection:ANSI Z88.2 SPECIFICATIONS/OSHA STD # 1910.134.
    NIOSH/MSHA APPRVD PARTICULATE FILTER RESP. AIR SUPP HOODS FOR
    BLASTERS. FOR CRYSTALLINE SILICA (ALL NIOSH/MSHA APPRVD RESPS):
    5X0.1MG/M3/LESS: ANY DUST R ESP; 10X0.1MG/M3/LESS: ANY DUST (ING 6)
Ventilation:LOC & MECH (GEN) EXHSTS AS APPROP. ENGINEERING CTLS (E.G.,
    MECH EXHST) SHOULD BE IN PLACE IN ORDER TO ENSURE (SUP DAT)
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS .
Other Protective Equipment:ANSI APPRVD EMER EYEWASH & DELUGE SHOWER .
    HEARING PROTECTORS WHENEVER ABRASIVE BLASTING OPERATION (ING 13)
Work Hygienic Practices:WASH SKIN AT EACH SHIFT CHANGE. BEFORE EATING,
    HANDS & FACE SHOULD BE WASHED. ALL FOOD & LUNCHES SHOULD BE KEPT
    (ING 15)
Supplemental Safety and Health
PH:11.0-12.5. MATLS TO AVOID:ALKALIS. WILL COMBINE CHEMICALLY W/MANY
    METALLIC OXIDES UPON HEATING AT HIGH TEMPS. WILL REACT W/WATER TO
    FORM SOLID MASS. HAZ DECOMP PRODS:WHICH HAVE GREATER HLTH HAZ THA N
    QUARTZ. EXPLAN OF CARCIN:1994: ANTIC TO BE CARCIN. VENT:EMPLOYEE
    EXPOS TO RESP SILICA & RESP DUST DOES NOT EXCEED PEL.

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

Boiling Pt:B.P. Text:4046F,2230C
Melt/Freeze Pt:M.P/F.P Text:3110F,1710C
Spec Gravity:2.65 (H*2O=1)
pH:SUPDAT
Evaporation Rate &amp; Reference:NONE (BUTYL ACETATE=1)
Solubility in Water:NONE
Appearance and Odor:GREY, ODORLESS

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

Stability Indicator/Materials to Avoid:YES
REACTS W/HYDROFLUORIC ACID TO GENERATE VOLAT, CORR GAS, SIF*4(SILICON
    TETRAFLUORIDE). MAY BE ATTACKED BY STRONG(SUP DAT)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:WHEN EXPOS TO HIGH TEMPS, MANY CHANGE
    CRYSTALLINE STRUCTURE TO FORM TRIDYMITE (>870C)/CRYSTOBALITE
    (>1470) (SUP DAT)

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

Waste Disposal Methods:FOLLOW STATE AND LOCAL REGULATIONS FOR SOLID
    WASTE. DISPOSE OF IN ACCORDANCE W/LOCAL, STATE & FEDERAL
    REGULATIONS .

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