Control Measures 
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Contractor Summary 
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Ingredients 
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OSHA PEL: N/K (FP N)
ACGIH TLV: N/K (FP N)
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  (TRIS-(HYDROXYMETHYL)AMINOMETHANE)
OSHA PEL: N/K (FP N)
ACGIH TLV: N/K (FP N)
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Health Hazards Data 
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Route Of Entry Inds - Inhalation: YES
Skin: NO
Ingestion: YES
Carcinogenicity Inds - NTP: NO
IARC: NO
OSHA: NO
Effects of Exposure: MAY CAUSE IRRITATION, VOMITING, DIARRHEA, CENTRAL NERVOUS
  SYSTEM DEPRESSION, WEAKNESS, COLLAPSE, COMA, RESPIRATORY PARALYSIS. CANCER
  INFORMATION:AN INGREDIENT OF THIS MIXTURE IS AN EXPERIMENTAL MUTAGE N.
Explanation Of Carcinogenicity: NOT RELEVANT
Signs And Symptions Of Overexposure: SEE HEALTH HAZARDS.
Medical Cond Aggravated By Exposure: PRE-EXISTING EYE, SKIN AND RESPIRATORY
  TRACT DISORDERS.
  PHYSICIAN. SKIN:WASH WITH SOAP AND PLENTY OF WATER. INGESTION:GIVE LARGE
  QUANTITIES OF WATER. CALL PHYSICIAN IMMEDIATELY. INHALATION:REM OVE TO FRESH
  AIR. GIVE ARTIFICIAL RESPIRATION IF NECESSARY. CALL PHYSICIAN.
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Handling and Disposal
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Spill Release Procedures: SWEEP UP POWDER. AVOID BREATHING MATERIAL. DISSOLVE
  IN WATER. FLUSH DOWN THE DRAIN WITH EXCESS WATER.
Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Methods: DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL
  REGULATIONS.
Handling And Storage Precautions: STORE IN A COOL, DRY PLACE.
Other Precautions: AVOID CONTACT WITH EYES AND SKIN. DO NOT BREATHE DUST.
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Fire and Explosion Hazard Information 
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Extinguishing Media: WATER, CARBON DIOXIDE, OR DRY CHEMICAL.
Fire Fighting Procedures: WEAR NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
  EQUIPMENT (FP N).
Unusual Fire/Explosion Hazard: MAY EMIT TOXIC FUMES IN FIRE.
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Respiratory Protection: USE NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
  EXPOSURE OF CONCERN (FP N).
Ventilation: ADEQUATE VENTILATION.
Other Protective Equipment: NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices: WASH THOROUGHLY AFTER HANDLING.
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Physical/Chemical Properties 
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PH: SUPDAT
Solubility in Water: SOLUBLE
Appearance and Odor: WHITE POWDER, NO ODOR.
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Reactivity Data 
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Stability Indicator: YES
Stability Condition To Avoid: MOISTURE; CONTACT WITH ACIDS, OXIDIZERS, COPPER,
  BRASS OR ALUMINUM.
Materials To Avoid: NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products: MAY EMIT TOXIC FUMES OF CARBON MONOXIDE,
  SULFUR OXIDES AND NITROGEN OXIDES IN FIRE.
Hazardous Polymerization Indicator: NO
Conditions To Avoid Polymerization: NOT RELEVANT
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Toxicological Information 
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Ecological Information 
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Regulatory Information 
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Other Information 
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HAZCOM Label 
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Company Name: HACH COMPANY
Label Required IND: Y
Status Code: C
Origination Code: G
Skin Protection IND: YES
Signal Word: WARNING
Respiratory Protection IND: YES
Health Hazard: Moderate
Contact Hazard: Slight
Fire Hazard: None
Reactivity Hazard: None
Hazard And Precautions: ACUTE:MAY CAUSE IRRITATION, VOMITING, DIARRHEA, CENTRAL
  NERVOUS SYSTEM DEPRESSION, WEAKNESS, COLLAPSE, COMA, RESPIRATORY PARALYSIS.
  CHRONIC:NONE LISTED BY MANUFACTURER.
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