J H BAXTER -- ACZA (AMMONIACAL COPPER ZINC ARSENATE) TREA 
MATERIAL SAFETY DATA SHEET
NSN: 553000N037674
Manufacturer's CAGE: 85359 
Part No. Indicator: A 
Part Number/Trade Name: ACZA (AMMONIACAL COPPER ZINC ARSENATE) TREA 
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                            General Information
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Company's Name: J H BAXTER & CO 
Company's Street: 1700 SOUTH EL CAMINO REAL 
Company's City: SAN MATEO 
Company's State: CA 
Company's Country: US 
Company's Zip Code: 94402 
Company's Emerg Ph #: 800-424-9300(CHEMTREC) 
Company's Info Ph #: 415-349-0201 
Record No. For Safety Entry: 001 
Tot Safety Entries This Stk#: 003 
Status: SMJ 
Date MSDS Prepared: 28SEP92 
Safety Data Review Date: 14DEC92 
MSDS Serial Number: BQVBC 
Hazard Characteristic Code: NK 
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                     Ingredients/Identity Information
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Proprietary: NO 
Ingredient: COPPER (I) OXIDE; (COPPER II OXIDE). %: 0.31-2.9
Ingredient Sequence Number: 01 
Percent: SEE ING 
NIOSH (RTECS) Number: GL8050000 
CAS Number: 1317-39-1 
OSHA PEL: NOT APPLICABLE 
ACGIH TLV: 1 MG/M3 (MFR) 
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Proprietary: NO 
Ingredient: ZINC OXIDE. %: 0.16-1.5
Ingredient Sequence Number: 02 
Percent: SEE ING 
NIOSH (RTECS) Number: ZH4810000 
CAS Number: 1314-13-2 
OSHA PEL: 15MG/M3 TDUST/5 FUME 
ACGIH TLV: 10MG/M3 TDUST; 9293 
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Proprietary: NO 
Ingredient: ARSENIC PENTOXIDE; (ARSENIC V OXIDE) (SARA III). %: 0.16-1.5
Ingredient Sequence Number: 03 
Percent: SEE ING 
NIOSH (RTECS) Number: CG2275000 
CAS Number: 1303-28-2 
OSHA PEL: 0.5 MG/M3 (AS) 
ACGIH TLV: 0.01 MG/M3 (AS) 
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Proprietary: NO 
Ingredient: AMMONIA (SARA III)
Ingredient Sequence Number: 04 
Percent: 0.83 
NIOSH (RTECS) Number: BO0875000 
CAS Number: 7664-41-7 
OSHA PEL: 50 PPM 
ACGIH TLV: 25 PPM/35 STEL; 9293 
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                     Physical/Chemical Characteristics
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Appearance And Odor: BROWN TO BLUE-GREEN WOOD. NO ODOR 90-DAYS AFTER
TREATMENT. SLIGHT (SUPDAT)
Boiling Point: N/A 
Vapor Pressure (MM Hg/70 F): N/A 
Vapor Density (Air=1): N/A 
Specific Gravity: 0.66 (H*2O=1) 
Evaporation Rate And Ref: NOT APPLICABLE 
Solubility In Water: INSOLUBLE 
Percent Volatiles By Volume: N/A 
pH: N/A 
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                      Fire and Explosion Hazard Data
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Flash Point: NOT APPLICABLE 
Lower Explosive Limit: N/A 
Upper Explosive Limit: N/A 
Extinguishing Media: WATER, FOAM, CO*2, DRY CHEMICAL.
Special Fire Fighting Proc: WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT (FP N). METAL RESIDUES WILL BE PRESENT IN ASHES/
CHARRED WOOD FROM TREATED WOOD FIRE.
Unusual Fire And Expl Hazrds: WOOD DUST MAY PRESENT A STRONG TO SEVERE
EXPLOSION.
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                              Reactivity Data
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Stability: YES 
Cond To Avoid (Stability): DO NOT BURN TREATED WOOD.
Materials To Avoid: NONE KNOWN
Hazardous Decomp Products: NORMAL WOOD COMBUSTION PRODUCTS.
Hazardous Poly Occur: NO 
Conditions To Avoid (Poly): DO NOT BURN TREATED WOOD.
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                            Health Hazard Data
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LD50-LC50 Mixture: NONE SPECIFIED BY MANUFACTURER. 
Route Of Entry - Inhalation: YES 
Route Of Entry - Skin: NO 
Route Of Entry - Ingestion: YES 
Health Haz Acute And Chronic: ARSENIC COMPOUNDS CAN CAUSE NAUSEA, CHILLS,
DIARRHEA, LIVER DAMAGE & SKIN PIGMENTATION. ARSENIC COMPOUNDS MAY CAUSE
LUNG CANCER IF INHALED; SKIN CANCER IF INGESTED.
Carcinogenicity - NTP: YES 
Carcinogenicity - IARC: NO 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: ARSENIC PENTOXIDE:KNOWN CARCINOGEN (NTP) NTP
6TH ANN. RPT. ON CARCINOGENS (SUMMARY) 1991.
Signs/Symptoms Of Overexp: SEE HEALTH HAZARDS.
Med Cond Aggravated By Exp: NONE KNOWN
Emergency/First Aid Proc: INGEST:CALL MD IMMEDIATELY (FP N). INHAL: REMOVE
IMMEDIATELY FLUSH W/POTABLE WATER FOR A MINIMUM OF 15 MINUTES, SEEK
ASSISTANCE FROM MD (FP N). SKIN:FLUSH W/COPIOUS AMOUNTS OF WATER. CALL MD
(FP N).
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: COLLECT SCRAPS & SAWDUST FOR DISPOSAL.
Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Method: DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
REGULATIONS (FP N). BURY IN SANITARY LANDFILL. IF >220 LBS OF SAWDUST FROM
ACZA TREATED WOOD IS GEN PER MTH IT MAY HAVE TO BE HNDLD AS HAZ WASTE W/US
EPA HAZ WASTE #D004 IF IT FAILS E.P. TOX LEACH TEST.
Precautions-Handling/Storing: READ CONSUMER INFORMATION SHEETS (CIS) FOR
FURTHER INFORMATION.
Other Precautions: MACHINE, SAW &/OR SAND OUTSIDE, IF POSSIBLE.
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                             Control Measures
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Respiratory Protection: NIOSH/MSHA APPROVED DUST MASK RECOMMENDED WHEN
MACHINING OR SANDING.
Ventilation: PROVIDE ADEQUATE LOCAL/GENERAL EXHAUST WHEN MACHINING OR
SAWING.
Protective Gloves: LEATHER GLOVES PREFERRED. 
Eye Protection: CHEM WORK GOGGS (FP N) RECOM (SUPDAT) 
Other Protective Equipment: NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices: USE GOOD PERSONAL HYGIENE:WASH HANDS BEFORE
EATING, SMOKING, DRINKING OR USING RESTROOM FACILITIES.
Suppl. Safety & Health Data: APPEAR/ODOR:AMMONIA ODOR AFTER TREATMENT.
AMMONIA ODOR DISSIPATES W/TIME. EYE PROT:PARTICULARLY WHEN MACHINING OR
SANDING.
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                            Transportation Data
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                               Disposal Data
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                                Label Data
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Label Required: YES 
Technical Review Date: 14DEC92 
Label Date: 08DEC92 
Label Status: G 
Common Name: ACZA (AMMONIACAL COPPER ZINC ARSENATE) TREATED WOOD 
Chronic Hazard: YES 
Signal Word: WARNING! 
Acute Health Hazard-Moderate: X 
Contact Hazard-Moderate: X 
Fire Hazard-None: X 
Reactivity Hazard-None: X 
Special Hazard Precautions: ACUTE:ARSENIC COMPOUNDS CAN CAUSE NAUSEA,
CHILLS, DIARRHEA, LIVER DAMAGE & SKIN PIGMENTATION. CHRONIC: CANCER HAZARD.
ARSENIC IS LISTED AS A CARCINOGEN. (FP N). ARSENIC COMPOUNDS MAY CAUSE LUNG
CANCER IF INHALED; SKIN CANCER IF INGESTED.
Protect Eye: Y 
Protect Skin: Y 
Protect Respiratory: Y 
Label Name: J H BAXTER & CO 
Label Street: 1700 SOUTH EL CAMINO REAL 
Label City: SAN MATEO 
Label State: CA 
Label Zip Code: 94402 
Label Country: US 
Label Emergency Number: 800-424-9300(CHEMTREC)