===================== Product Identification =====================
MSDS NAME:CONCRETE MIX
NIIN:00N014791
MSDS Number: BKPFC
=== Responsible Party ===
Company:AMERICAN STONE-MIX INC
Address:8320 BELLONA AVE
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: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 =============
Name:ING 11: OPERATED IN PRESS-DEMAND/OTHER POS PRESS OR
CONTINUOUS FLOW MODE & AUXILIARY SCBA OPERATED IN PRESS- (ING 13)
RTECS #:9999999ZZ
Name:ING 12: DEMAND OR OTHER POSITIVE PRESSURE MODE.
RTECS #:9999999ZZ
Name:VENT: ORDER TO ENSURE EMPLOYEE EXPOSURE TO RESPIRABLE
SILICA & RESPIRABLE DUST DOES NOT EXCEED PEL.
RTECS #:9999999ZZ
Name:OTHER PROT EQUIP: PROT EQUIP & SFTY PRECAUTIONS. WEAR
APPROP WORK CLTHG TO MINIMIZE SKIN CNTCT & SKIN ABRASION.
RTECS #:9999999ZZ
Name:HYGIENE PRACT: & EATEN IN SEPARATE LUNCH ROOMS. DO NOT EAT,
DRINK, SMOKE IN WORK AREAS WHERE EXPOS TO SILICA (ING 17)
RTECS #:9999999ZZ
Name:ING 16: DUST MAY BE EXCESSIVE.
RTECS #:9999999ZZ
Name:SILICATE, PORTLAND CEMENT; (PORTLAND CEMENT)
CAS:65997-15-1
RTECS #:VV8770000
Fraction by Wt: 10-33%
OSHA PEL:50 MPPCF
ACGIH TLV:10 MG/M3 TDUST
Name:SILICA, CRYSTALLINE - QUARTZ; (SILICA DIOXIDE)
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: 67-90%
OSHA PEL:N/K
ACGIH TLV:0.1 MG/M3 RDUST
Name:OTHER PREC: MAINTAIN, CLEAN & TEST RESPS I/A/W OSHA REGS.
MAINTAIN & TEST VENT & DUST COLLECTION EQUIP. WASH (ING 4)
RTECS #:9999999ZZ
Name:ING 3: CLTHG WHICH HAS BECOME DUSTY; DO NOT BEAT DUST FROM
CLTHG. MFR RECOM SMKNG BE PROHIBITED IN ALL AREAS (ING 5)
RTECS #:9999999ZZ
Name:ING 4: WHERE RESPS MUST BE USED. WARN EMPLOYEES (&
CUSTOMERS, USERS IN CASE OF RESALE) BY POSTING & OTHER MEANS (ING
6)
RTECS #:9999999ZZ
Name:ING 5: OF HAZ & OSHA PRECAUTIONS TO BE USED. PROVIDE
TRAINING FOR EMPLOYEES ABOUT OSHA PRECAUTIONS.
RTECS #:9999999ZZ
Name:RESP PROT: SCBA. 50 MG/M3 OR LESS: HIGH EFFICIENCY
PARTICULATE FILTER RESP W/FULL FACEPIECE. ANY SUPPLIED-AIR (ING 8)
RTECS #:9999999ZZ
Name:ING 7: RESP W/FULL FACEPIECE/HELMET/HOOD. ANY SCBA W/FULL
FACEPIECE. 500 MG/M3 OR LESS: POWERED AIR-PURIFYING (ING 9)
RTECS #:9999999ZZ
Name:ING 8: RESP W/HIGH EFFICIENCY PARTICULATE FILTER. TYPE C
SUPPLIED AIR RESP OPERATED IN PRESS OR CONTINUOUS FLOW (ING 10)
RTECS #:9999999ZZ
Name:ING 9: MODE. GREATER THAN 500 MG/M3 OR FOR ENTRY ESCAPE
FROM UNKNOWN CONCS: SCBA W/FACEPIECE OPERATED IN PRESS (ING 11)
RTECS #:9999999ZZ
Name:ING 10: DEMAND & OTHER POS PRESS MODE. COMBINATION RESP
WHICH INCL TYPE C SUPPLIED AIR RESP W/FULL FACEPIECE (ING 12)
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:SKIN: MAY CAUSE IRRITATION DUE TO HIGH
PH. INGEST: HIGH PH MAY CAUSE IRRITATION. ASPHYXIATION RISK. INHAL:
HEALTH HAZARDS CAN OCCUR FROM EXCESSIVE INHALATION OF SILICA DUST,
OTHERWISE NONTOXIC. CRYSTA LLINE SILICA IN LUNGS CAN PRODUCE A
PNEUMOCONIOSIS COMMONLY CALLED SILICOSIS WHICH IS A CHRONIC, (EFTS
OF OVEREXP)
Explanation of Carcinogenicity:SILICA, CRYSTALLINE-QUARTZ: IARC MONO,
SUPP, V 7, P 341, 1987:GRP 2A. NTP 7TH ANNUAL RPT ON CARCINS,
1994:ANTIC CARCIN.
Effects of Overexposure:HLTH HAZ: SLOWLY DEVELOPING DISEASE. SYMPTOMS
ARE DYSPENA CAUSED BY MANY LUNG SCARS THAT DEVELOP FROM THE SILICA
DUST: PAIN IN THE CHEST, DECREASED VITAL CAPACITY & COUGH. HIGH PH
CAN CAUSE IRRITATION .
Medical Cond Aggravated by Exposure:CHRONIC LUNG SCARRING LEADS TO
PROGRESSIVE MASSIVE FIBROSIS THAT IS OFTEN ACCOMPANIED BY AN
INCREASED SUSCEPTIBILITY TO THE RISK OF IMPAIRED HEALTH DUE TO
COMBINATION OF SMOKING & SILICA DUST EXPOS.
======================= First Aid Measures =======================
First Aid:IF A KNOWN ACUTE EXPOSURE OR INCIDENT OCCURS, IMMEDIATELY
CALL MD OR NEAREST MEDICAL FACILITY. INHAL: IMMEDIATELY REMOVE
PERSON FROM CONTAMINATED AREA. FOR EXTREME RESPIRATORY DISTRESS
ADMINISTER OXYG EN. SKIN: REMOVE AFFECTED CLOTHING & WASH SKIN AREA
EXPOSED. INGEST: REFER TO MD. EYES: WASH EYES CAREFULLY & GENTLY
WITH WARM WATER FOR AT LEAST 15 MINUTES & SEEK MEDICAL ATTENTION.
===================== Fire Fighting Measures =====================
Flash Point Method:OC
Flash Point:NO FLASH POINT
Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO THE
SURROUNDING FIRE.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT . NO FIRE OR EXPLOSIVE DANGER. 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 SYSTEM OF STORAGE AND
HANDLING. KEEP AREA WELL VENTILATED.
Other Precautions:USE DUSTLESS SYS FOR HNDLG, STOR & CLEAN UP SO
AIRBORNE DUST DOES NOT EXCEED PEL. USE ADEQ VENT & DUST COLLECTION.
PRACTICE GOOD HOUSEKEEPING. DO NOT PERMIT DUST TO COLLECT ON WALLS,
FLOORS, SPILLS, L EDGES, MACHINERY OR EQUIP. (ING 3)
============= Exposure Controls/Personal Protection =============
Respiratory Protection:ONLY NIOSH/MSHA APPRVD EQUIP SHOULD BE USED. 5
MG/M3 OR LESS: ANY DUST RESP. 10 MG/M3 OR LESS: ANY DUST RESP
EXCEPT SINGLE-USE/QUARTER-MASK RESP. ANY FUME RESP/HIGH EFFICIENCY
PARTICULATE FILTER RESP. ANY SUPPLIED AIR RESP. ANY (ING 7)
Ventilation:LOC EXHST AS APPROP. USE MECH (GEN) EXHST AS APPROP.
ENGINEERING CTLS (E.G. MECH EXHST) SHOULD BE IN PLACE IN (ING 14)
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:HEARING PROT WHEN ABRASIVE BLASTING
OPERATION GENERATES EXCESSIVE NOISE LEVELS. SANDBLASTERS REQ
SPECIAL (ING 15)
Work Hygienic Practices:WASH SKIN @ EACH SHIFT CHANGE. BEFORE EATING,
HANDS & FACE SHOULD BE WASHED. ALL FOOD & LUNCHES SHOULD BE KEPT
(ING 16)
Supplemental Safety and Health
PH: 11-12.5. MATL TO AVOID: ALKALIS. WILL COMBINE CHEM W/MANY METALLIC
OXIDES UPON HEATING AT HIGH TEMPS. WILL REACT W/WATER TO FORM SOLID
MASS. WHEN SIO*2 (QUARTZ) EXPOS TO HIGH TEMPS, MAY CHANGE CRY
STALLINE STRUCTURE TO FORM TRIDYMITE (>870C) OR CRYSTOBALITE
(>1470C) WHICH HAVE GREATER HEALTH HAZARDS THAN QUARTZ.
================== Physical/Chemical Properties ==================
HCC:B3
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 & Reference:NONE
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, SILICON
TETRAFLUORIDE. MAY BE ATTACKED BY STRONG (SUPDAT)
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.
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