HACH CO. -- ROVER RUST REMOVER; CAT.NO.300  -- 6810-00D001399
<pre>=====================  Product Identification  =====================

Product ID:ROVER RUST REMOVER; CAT.NO.300
MSDS Date:10/21/1985
FSC:6810
NIIN:00D001399
=== Responsible Party ===
Company Name:HACH CO.
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010
Country:US
Info Phone Num:303-669-3050
Emergency Phone Num:515-232-2533
CAGE:91224
=== Contractor Identification ===
Company Name:HACH CO
Address:5600 LINDBERGH DR
Box:389
City:LOVELAND
State:CO
ZIP:80539
Country:US
Phone:970-669-3050/ 303-623-5716
CAGE:91224

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

Ingred Name:SODIUM HYDROSULFITE (TECH)
CAS:7775-14-6
RTECS #:JP2100000
Fraction by Wt: <50%
Other REC Limits:NONE ESTABLISHED
OSHA PEL:NONE ESTABLISHED
ACGIH TLV:NONE ESTABLISHED

Ingred Name:SODIUM BISULFITE  (SASA III)
CAS:7631-90-5
RTECS #:VZ2000000
Fraction by Wt: >50%
Other REC Limits:5 MG/CUM
OSHA PEL:5 MG/M3
ACGIH TLV:5 MG/M3; 9192
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

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

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:PRODUCT IS CORROSIVE, PARTICULARLY
    WHEN WET.
Effects of Overexposure:BURNS, APNEA, CONVULSIONS, IRRITABILITY
Medical Cond Aggravated by Exposure:NONE

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

First Aid:EYES,SKIN:FLUSH WITH WATER FOR 15 MIN. REMOVE CONTAMINATED
    CLOTHING. INHAL:REMOVE TO FRESH AIR,CPR OR OXYGEN IF NEEDED.
    INGEST:GIVE LARGE QUANTITIES OF MILK OR WATER. CALL PHYSICIAN
    IMMEDIATELY.

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

Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL
Fire Fighting Procedures:SELF CONTAINED BREATHING APPARATUS
Unusual Fire/Explosion Hazard:SUSCEPTABLE TO SPONTANEOUS HEATING WHEN
    IN CONTACT WITH WATER (MOISTURE) AND AIR. MAY IGNITE COMBUSTIBLES.

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

Spill Release Procedures:COVER SPILL WITH NA*2CO*3 AND FORM SLURRY WITH
    WATER. SCOOP TO BEAKER AND VERY CAUTIOUSLY ADD HYPOCHLORITE TO
    EXCESS CHLORINE. (REACTION MAY BE VIGOROUS). ADD WATER.
Neutralizing Agent:SODIUM BICARBONATE OR SODA ASH AND CALCIUM
    HYPOCHLORITE

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

Handling and Storage Precautions:STORE IN COOL,DRY AREA. SEPARATE FROM
    OXIDIZERS AND COMBUSTIBLES. FOR LAB CHEMICALS, A DESICCATOR IS
    SUGGESTED.

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

Respiratory Protection:IF EXPOSD TLV,NIOSH/MESA APPR SELF-CNTND BRTHG
    APP (POS PR MODE)
Ventilation:PROVIDE MECHAN(GEN/LOCAL EXHAUST)VENT TO MAINTN <TLV
Protective Gloves:PVC/RUBBER
Eye Protection:SAFETY GLASSES
Other Protective Equipment:SAFETY SHOWER & EYE BATH
Work Hygienic Practices:DO TO CORROSIVENESS USE STRICT CHEMICAL HYGIENE
    PRACTICE.
Supplemental Safety and Health

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

HCC:C3
Melt/Freeze Pt:M.P/F.P Text:125F/52C D
Spec Gravity:2.29
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE OR TAN POWDER, SULFITE ODOR

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

Stability Indicator/Materials to Avoid:YES
ACIDS, OXIDIZERS, COMBUSTIBLES
Stability Condition to Avoid:MOISTURE, HEAT OVER 120F/50C
Hazardous Decomposition Products:SULFUR OXIDES

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

Waste Disposal Methods:NEUTRALIZE TO PH 6-9 AND FLUSH TO DRAIN I/A/W
    FEDERAL,STATE,LOCAL REGULATIONS.

 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.