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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OSHA PEL: 5 MG/M3
ACGIH TLV: 5 MG/M3
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OSHA PEL: N/K (FP N)
ACGIH TLV: N/K (FP N)
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OSHA PEL: N/K (FP N)
ACGIH TLV: N/K (FP N)
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% Wt: <5
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: PROD MAY BE IRRIT TO EYES, SKIN, RESP TRACT & MAY
  CAUSE ALLERGIC RESP TRACT RXN. MAY CAUSE EYE & RESP TRACT IRRIT; MAY
  CAUSE ALLERGIC RESP RXN. INGEST OF LG AMTS MAY CAUSE DIARR, STOM PAIN &
  VOMIT. CA N CAUSE COUGHING, DFCLTY BRTHG & CHEST PAIN. CANCER INFO:CARCIN
  TESTING WAS INCONCLUSIVE FOR AN ING OF (EFTS OF OVEREXP)
Explanation Of Carcinogenicity: NOT RELEVANT
Signs And Symptions Of Overexposure: HLTH HAZS:THIS MIX. AN ING OF THIS MIX IS
  AN EXPERIMENTAL MUTAGEN. SPECIAL NOTE:SULFITES ARE STRONG SENSITIZERS. INHAL
  & INGEST CAUSE ALLERGIC RESP RXNS IN ASTHMATICS. PERSONS W/RESP CNDTNS
  SHOULD TAK E SPECIAL CARE WHEN WORKING W/PRODS THAT CNTN SULFITES.
Medical Cond Aggravated By Exposure: PRE-EXISTING EYES, SKIN AND RESPIRATORY
  CONDITIONS. SOME ASTHMATICS ARE SAID TO BE DANGEROUSLY SENSITIVE TO MINUTE
  AMOUNTS OF SULFITES IN FOOD.
  PHYSICIAN. SKIN:WASH SKIN WITH SOAP AND PLENTY OF WATER. INGESTION:DO NOT
  INDUCE VOMITING. GIVE 1-2 GLASSES OF WATER. CALL A PHYSICI AN IMMEDIATELY.
  NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON. INHALATION:REMOVE TO
  FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF NECESSARY. CALL PHYSICIAN.
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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: NUETRALIZE 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 &
  LOCAL REGULATIONS.
Handling And Storage Precautions: STORE IN A COOL, DRY, DARK PLACE.
Other Precautions: AVOID CONTACT WITH EYES, SKIN AND CLOTHING. DO NOT BREATHE
  DUST.
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Fire and Explosion Hazard Information 
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Extinguishing Media: DRY CHEMICAL, ALCOHOL FOAM OR CARBON DIOXIDE.
Fire Fighting Procedures: WEAR NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
  EQUIPMENT (FP N).
Unusual Fire/Explosion Hazard: HEATS SPONTANEOUSLY IN CONTACT WITH WATER; MAY
  REACT WITH OXIDIZERS. SUSCEPTIBLITY TO SPONTANEOUS HEATING:IN CONTACT WITH
  WATER AND AIR.
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Respiratory Protection: USE NIOSH/MSHA 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.
  (STAB):MOISTURE, EXPOSURE TO LIGHT.
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Physical/Chemical Properties 
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PH: SUPDAT
Solubility in Water: SOLUBLE
Appearance and Odor: WHITE POWDER; SO*2 ODOR.
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Reactivity Data 
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Stability Indicator: YES
Stability Condition To Avoid: CONT W/WATER, ACIDS, COMBUSTS, ORGS/OXIDIZERS,
  SODIUM NITRITE, ALUMINUM POWDER, EXTREME HEAT/FLAMES, EXCESS (SUPP DATA)
Materials To Avoid: CONTACT WITH WATER, ACIDS, COMBUSTIBLES, ORGANICS OR
  OXIDIZERS, SODIUM NITRITE, ALUMINUM POWDER.
Hazardous Decomposition Products: TOXIC FUMES OF SO*X AN NA*2O IN FIRE;
  CORROSIVE FUMES IN CONTACT WITH WATER OR ACID.
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: WARNING
Respiratory Protection IND: YES
Health Hazard: Moderate
Contact Hazard: Slight
Fire Hazard: None
Reactivity Hazard: None
Hazard And Precautions: ACUTE:PRODUCT MAY BE IRRITATING TO EYES, SKIN,
  RESPIRATORY TRACT AND MAY CAUSE ALLERGIC RESPIRATORY TRACT REACTION. MAY
  CAUSE EYE AND RESPIRATORY TRACT IRRITATION; MAY CAUSE ALLERGIC RESPIRATORY
  REACT ION. INGESTION OF LARGE AMOUNTS MAY CAUSE DIARRHEA, STOMACH PAIN AND
  VOMITING. CAN CAUSE COUGHING, DIFFICULTY BREATHING AND CHEST PAIN. CHRONIC:AN
  INGREDIENT OF THIS MIXTURE IS AN EXPERIMENTAL MUTAGEN .
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