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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Health Hazards Data 
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Route Of Entry Inds - Inhalation: NO
Skin: NO
Ingestion: NO
Carcinogenicity Inds - NTP: NO
IARC: NO
OSHA: NO
Effects of Exposure: OVEREXPOSURE:CAUSES SEVERE EYE AND MODERATE SKIN
  IRRITATION. MAY CAUSE RESPIRATORY TRACT IRRITATION. CHRONIC OVEREXPOSURE:MAY
  CAUSE EFFECTS DUE TO THE ABILITY OF CITRIC ACID TO CHELATE METALS, WHICH C
  OULD IMPAIR THE BODY'S ABILITY TO ABSORB CALCIUM AND IRON.
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 CONDITIONS.
  PHYSICIAN. SKIN:FLUSH SKIN WITH PLENTY OF WATER. INGESTION:GIVE LARGE
  QUANTITIES OF WATER. CALL PHYSICIAN IMMEDIATELY. INHALATION:R EMOVE TO FRESH
  AIR.
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Handling and Disposal
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Spill Release Procedures: SCOOP SPILLED MATERIAL INTO A BEAKER AND DISSOLVE
  WITH WATER. NEUTRALIZE TO A PH BETWEEN 6 AND 9 WITH AN ALKALI SUCH AS SODA
  ASH. FLUSH NEUTRALIZED WASTE TO THE DRAIN WITH AN EXCESS OF WATER.
Neutralizing Agent: NEUTRALIZE TO A PH BETWEEN 6 AND 9 WITH AN ALKALI SUCH AS
  SODA ASH.
Waste Disposal Methods: DISPOSE OF IN ACCORDANCE WITH ALL FEDERAL, STATE AND
  LOCAL REGULATIONS.
Handling And Storage Precautions: STORE TIGHTLY CLOSED 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 APPROVED SCBA & FULL PROTECTIVE
  EQUIPMENT (FP N).
Unusual Fire/Explosion Hazard: POTENTIALLY EXPLOSIVE REACTION WITH METAL
  NITRATES. EMITS TOXIC FUMES OF CO AND CO*2.
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Respiratory Protection: USE NIOSH APPROVED RESPIRATOR APPROPRIATE FOR EXPOSURE
  OF CONCERN (FP N).
Ventilation: ADEQUATE VENTILATION.
Other Protective Equipment: ANSI APPROVED EMERGENCY EYE WASH AND DELUGE SHOWER
  (FP N). LAB COAT.
Work Hygienic Practices: WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health: PH OF 0.1 N. SOLN:2.2. EYE PROT:AND FULL LENGTH
  FACESHIELD (FP N).
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Physical/Chemical Properties 
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PH: SUPDAT
Appearance and Odor: SOLID, COLORLESS CRYSTALS; NO ODOR.
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Reactivity Data 
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Stability Indicator: YES
Stability Condition To Avoid: EXPOSURE TO MOISTURE, OXIDIZERS, FLAMES.
  POTENTIALLY EXPLOSIVE REACTION IN CONTACT WITH METAL NITRATES.
Materials To Avoid: NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products: EMITS ACRID SMOKE AND FUMES 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
Chronic Hazard IND: Y
Skin Protection IND: YES
Signal Word: DANGER
Respiratory Protection IND: YES
Health Hazard: Slight
Contact Hazard: Severe
Fire Hazard: Slight
Reactivity Hazard: None
Hazard And Precautions: AVOID EYE CONTACT. ACUTE:CAUSES SEVERE EYE AND MODERATE
  SKIN IRRITATION. MAY CAUSE RESPIRATORY TRACT IRRITATION. CHRONIC:MAY CAUSE
  EFFECTS DUE TO THE ABILITY OF CITRIC ACID TO CHELATE METALS, WHICH CO ULD
  IMPAIR THE BODY'S ABILITY TO ABSORBCALCIUM AND IRON.
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