=====================  Product Identification  =====================

MSDS NAME:PHOSVER 3, #2209
NIIN:01-345-9382
Status Code:A
Kit Part:Y
MSDS Number: CLGXZ
=== Responsible Party ===
Company:HACH COMPANY
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010
Country:US
Info Phone Num:800-227-4224
Emergency Phone Num: 800-227-4224  232-2533
CAGE:4T252
=== Contractor Identification ===
Company:HACH COMPANY
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010
Country:US
Phone:800-227-4224
CAGE:4T252
Company:HACH INC
Address:Box:907
City:AMES
State:IA
ZIP:50010
Country:US
Phone:800-227-4224
CAGE:GO847
Company:WARDS NATURAL SCIENCE ESTABLISHMENT INC
Address:5100 W HENRIETTA RD
Box:92912
City:ROCHESTER
State:NY
ZIP:14692-9012
Country:US
Phone:(716) 359-2502
Contract Num:MDA414-99-A-0024 0075
CAGE:63759

=============  Composition/Information on Ingredients  =============

Name:POTASSIUM PYROSULFATE
CAS:7790-62-7
< Wt:80.

Name:L-ASCORBIC ACID
CAS:50-81-7
RTECS #:CI7650000
< Wt:25.

Name:MOLYBDIC ACID, DISODIUM SALT; (SODIUM MOLYBDATE)
CAS:7631-95-0
RTECS #:QA5075000
< Wt:5.
OSHA PEL:5 MG/M3 MO
ACGIH TLV:5 MG/M3 MO

Name:OTHER COMPONENTS, EACH
< Wt:1.

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:THIS PRODUCT MAY BE CORROSIVE TO EYES,
    WET SKIN AND RESPIRATORY TRACT. TOXIC DUE TO CORROSIVITY. TARGET
    ORGANS: ALL BODY TISSUES.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:OVEREXPOSURE CAUSES EYE BURNS AND MAY BE
    IRRITATING TO RESPIRATORY TRACT. MAY AFFECT ENZYME ACTIVITY, INDUCE
    COPPER DEFICIENCY, MAY CAUSE ANEMIA, GOUT, LIVER DAMAGE. MAY CAUSE
    LOSS OF COORDINATION AND  APPETITE.
Medical Cond Aggravated by Exposure:CHRONIC RESPIRATORY CONDITIONS,
    BLOOD DISEASES. GOUT MAY BE AGGRAVATED BY EXPOSURE TO MOLYBDENUM
    COMPOUNDS.

=======================  First Aid Measures  =======================

Eyes: IMMEDIATELY FLUSH WITH WATER FOR AT LEAST 15 MINUTES.
    CALL MD. SKIN: REMOVE CONTAMINATED CLOTHING. WASH SKIN WITH SOAP
    AND PLENTY OF WATER. INGEST: DO NOT INDUCE VOMITING. GIVE 1-2
    GLASSES OF WA TER. CALL MD IMMEDIATELY. NEVER GIVE ANYTHING BY
    MOUTH TO AN UNCONSCIOUS PERSON. INHAL: REMOVE TO FRESH AIR. GIVE
    ARTIFICIAL RESPIRATION IF NECESSARY. CALL MD.

=====================  Fire Fighting Measures  =====================

Extinguishing Media:WATER, CARBON DIOXIDE OR DRY CHEMICALS.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT
Unusual Fire/Explosion Hazard:MAY EMIT TOXIC FUMES OF SULFUR OXIDES.

==================  Accidental Release Measures  ==================

Spill Release Procedures:COVER CONTAMD SURFACES W/SODA ASH OR SODIUM
    BICARBONATE. MIX & ADD WATER IF NECESSARY. USE LITMUS PAPER TO MAKE
    SURE PH OF SLURRY IS NEUTRAL OR ADD NEUTRALIZER UNTIL MIX STOPS
    BUBBLING. SCOOP UP SLURR Y & WASH  WASTE DOWN DRAIN W/EXCESS WATER.
    WASH THE SITE WITH SODA ASH SOLUTION.
Neutralizing Agent:SODA ASH OR SODIUM BICARBONATE.

======================	Handling and Storage  ======================

Handling and Storage Precautions:CAUTION! PROTECT FROM LIGHT. PROTECT
    FROM MOISTURE. AVOID CONTACT WITH EYES, SKIN AND CLOTHING. DO NOT
    BREATHE DUST. WASH THOROUGHLY AFTER HANDLING.
Other Precautions:DO NOT BREATH CHEMICALS.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE
    FOR EXPOSURE OF CONCERN
Ventilation:FUME HOOD.
Protective Gloves:RUBBER GLOVES.
Eye Protection:CHEM WORKERS GOGGALS
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER, LAB
    COAT.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
PH: OF 5% SOLN = 1.5. CORR RATE: ALUMINUM: 0.31 IN/YR; STEEL: 0.299
    IN/YR.

==================  Physical/Chemical Properties  ==================

HCC:C1
Melt/Freeze Pt:M.P/F.P Text:374F,190C
Spec Gravity:2.17
pH:1.5@5% SOLN
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE POWDER; NO ODOR.
Corrosion Rate:SUPDAT

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
CONTAMINATION WITH PHOSPHATES, CONTACT WITH OXIDIZERS, DYES, ALKALIES,
    IRON OR COPPER.
Stability Condition to Avoid:HEAT, FLAMES, EXPOSURE TO LIGHT OR
    MOISTURE.
Hazardous Decomposition Products:MAY EMIT TOXIC FUMES OF SULFUR OXIDES
    IN FIRE.

===================  Toxicological Information	===================

Toxicological Information:TOXIC DUE TO CORROSIVITY.

====================  Disposal Considerations  ====================

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH ALL FEDERAL, STATE
    AND LOCAL REGULATIONS.

===================  MSDS Transport Information  ===================

Transport Information:PSN: CORROSIVE SOLID, N.O.S (POTASSIUM
    PYROSULFATE), UN1759.

 ======================================================================
 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.

*** END OF RECORD ***