Product ID:ARCAIR AIR CARBON ARC ELECTRODES, 22
MSDS Date:10/31/1990
FSC:3439
NIIN:01-268-3403
Kit Part:Y
MSDS Number: CFQYC

TWECO PROD INC

4200 WEST HARRY ST
WICHITA, KS 67277
US

Emergency Phone: 316-648-5129

Info Phone: 316-942-1421

Preparer: DENNIS WILSON

Cage: NO334

TWECO PRODUCTS, INC.

12250 WICHITA, KS 67277 US

Telephone: 316-946-8308;316-942-1421

Cage: 89381

CARBON

CAS: 7440-44-0

RTECS: FF5250100

Fraction By Weight: 20-90%

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 2 MG/M3 TDUST

GRAPHITE; (GRAPHITE, SYNTHETIC)

CAS: 7782-42-5

RTECS: MU9659600

Fraction By Weight: 20-90%

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 2 MG/M3 TDUST

COPPER (SARA 313) (CERCLA)

CAS: 7440-50-8

RTECS: GL5325000

Fraction By Weight: 10-30%

OSHA PEL 0.1MG/M3 FUME;1 DUST

ACGIH TLV: 0.2 MG/M3 FUME

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

CARBON BLACK

CAS: 1333-86-4

RTECS: FF5800000

OSHA PEL 3.5 MG/M3

ACGIH TLV: 3.5 MG/M3

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:FUME: BRONCHITIS, LUNG DEPOSITS AND
TISSUE DAMAGE WHICH MAY BE IRREVERSIBLE. EXPOSURE TO ULTRA-VIOLET
ARC RAYS CAN RESULT IN KERATOCONJUNCTIVITIS, CAUSING INFLAMMATION,
BLURRED VISION, HEADACHE-"SUNBU RN".
Explanation of Carcinogenicity:CARBON BLACK: IARC MONOGRAPHS, VOL 65,
PG 149, 1996: GROUP 2B ANIMAL LUNG.
Effects of Overexposure:BREATHING DIFFICULTY, HEADACHE, NAUSEA, DRYNESS
OR IRRITATION OF NOSE, THROAT, EYES. BURNING SENSATION OF SKIN OR
EYES. UNCONSCIOUSNESS.
Medical Cond Aggravated by Exposure:RESPIRATORY PROBLEMS, ERYTHMAS.

First Aid:INHALATION: REMOVE TO FRESH AIR. IF BREATHING IMPAIRED,
ASSISTED RESPIRATION MAY BE REQUIRED. INGEST: CALL MD IMMEDIATELY .
EYES: IMMEDIATELY FLUSH W/POTABLE WATER FOR A MINIMUM OF 15
MINUTES, S EEK ASSISTANCE FROM MD . SKIN: TREAT U.V. EXPOSURE
SIMILAR TO SEVERE SUNBURN, SEEK MEDICAL ATTENTION.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:SWEEP OR PICK UP. BE ALERT TO "HOT ENDS".
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN DRY AREA. ELECTRODES EXPOSED
TO MOISTURE MAY EXPLODE VIOLENTLY IF USED. DRY MOIST RODS BY BAKING
AT 300F FOR TEN HOURS.
Other Precautions:READ & UNDERSTAND "AMERICAN NATIONAL STANDARD Z49.1";
SUBPART Q OF OSHA 29 CFR 1910.252; "SAFETY IN WELDING & CUTTING" BY
AMERICAN WELDING SOCIETY. CAUTION: USE IN CONFINED AREAS CAN RSLT
IN CARBON MO NOXIDE POISONING/DEATH. NIOSH (SUPDAT)

Respiratory Protection:NIOSH APPROVED SUPPLIED OR FUME RESPIRATOR
SHOULD BE USED IF VENTILATION IS INSUFFICIENT.
Ventilation:ALL AS REQUIRED TO REDUCE FUMES GENERATED BY EACH SPECIFIC
APPLICATION BELOW ACGIH TLV.
Protective Gloves:WELDERS GLOVES.
Eye Protection:FACESHIELD OR WELDERS HELMET (SUPDAT)
Other Protective Equipment:FOOTWEAR SUITABLE FOR METAL WORKING. DARK,
SUBSTANTIAL-APRONS, ETC. ANSI APPROVED EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:OPERATOR TRAINED TO AVOID ELECTRICAL SHOCK AND
U.V. RAY EXPOSURE.
Supplemental Safety and Health
OTHER PRECAUTIONS: APPROVVED AIR SUPPLIED RESPIRATOR IS RECOMMENDED
WHEN USED INDOORS. EYE PROTECTION: WITH #12 OR DARKER LENS.

Appearance and Odor:NO NOTABLE ODOR, COPPER COATED BLACK ROD.

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NOT APPLICABLE.
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
TRACES OF COPPER FUME (OZONE, NITROGEN OXIDE FROM ELECTRIC ARC AND
UV RAYS).

Waste Disposal Methods:SOLID LANDFILL IF LOCAL REGULATIONS ALLOW.
DISPOSAL MUST BE IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL
REGULATIONS .

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.