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MSDS  : DIGESTION SOLUTION FOR COD 0-150PPM RANGE
CAS  : 7664-93-9
7783-35-9
10294-26-5
13530-68-2
7732-18-5
NAME  : sulfuric acid (sara 302/313) (cercla)
mercuric sulfate (sara 313) (cercla)
silver sulfate
chromic acid
water
===================== Product Identification =====================

MSDS NAME:DIGESTION SOLUTION FOR COD 0-150PPM RANGE
NIIN:00D002069
MSDS Number: BXWHK
=== Responsible Party ===
Company:HACH CO.
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010-6402
Country:US
Info Phone Num:800-227-4224
Emergency Phone Num:303-623-5716
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

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

Name:SULFURIC ACID (SARA 302/313) (CERCLA)
CAS:7664-93-9
RTECS #:WS5600000
Fraction by Wt: <90%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:1 MG/M3
ACGIH TLV:1 MG/M3/3 STEL; 9596
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Name:MERCURIC SULFATE (SARA 313) (CERCLA)
CAS:7783-35-9
RTECS #:OX0500000
Fraction by Wt: <5%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:0.1 MG (HG)/M3; Z-2
ACGIH TLV:S,0.025 MG(HG)/M3;96
EPA Rpt Qty:10 LBS
DOT Rpt Qty:10 LBS

Name:SILVER SULFATE
CAS:10294-26-5
Fraction by Wt: <3%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:0.01 MG AG/M3
ACGIH TLV:0.01 MG AG/M3

Name:CHROMIC ACID
CAS:13530-68-2
RTECS #:GB2650000
Fraction by Wt: <0.1%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:0.5 MG CR/M3
ACGIH TLV:0.05 MG CR/M3

Name:WATER
CAS:7732-18-5
RTECS #:ZC0110000
Fraction by Wt: BALANCE
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:ORAL LD50 (RAT) IS 360-428MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:**CORROSIVE** EYES:MAY CAUSE SEVERE
BURNS.SKIN:MAY CAUSE SEVERE BURNS.INGEST:MAY CAUSE SEVERE GI TRACT
IRRITATION.INHAL:MAY CAUSE TOOTH EROSION AND RESPIRATORY
IRRITATION.CHRONIC:MERCURY AND SILVER WI LL ACCUMULATE IN BODY
TISSUE.TARGET ORGANS:NASAL CAVITY,PARANASAL SINUS,LUNGS,LARYNX.
Explanation of Carcinogenicity:SULFURIC ACID MISTS ARE CLASSIFIED
IARC-2B.
Effects of Overexposure:INHAL:MOUTH SORENESS,DIFFICULT
BREATHING.CHRONIC(MERCURY POISONING):TREMORS,PSYCHIC DISTURBANCES.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING
EYE,SKIN,RESPIRATORY AILMENTS OR SENSITIVITY OR ALLERGIES TO
MERCURY MAY BE AT INCREASED RISK FROM EXPOSURE.

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

First Aid:SKIN:REMOVE CONTAMINATED CLOTHING;WASH WITH WATER.EYES:FLUSH
WITH WATER FOR 15 MINUTES.INHAL:REMOVE TO FRESH AIR.GIVE OXYGEN OR
ARTIFICIAL RESPIRATION IF NEEDED.INGEST:DO NOT INDUCE VOMITING.GET
PROMP T QUALIFIED MEDICAL ATTENTION.IF CONSCIOUS,GIVE 1-2 GLASSES
OF WATER.

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

Flash Point:NONE
Extinguishing Media:WATER FOG,DRY CHEMICAL,CARBON DIOXIDE,FOAM.
Fire Fighting Procedures:USE A SELF-CONTAINED BREATHING APPARATUS AND
FULL PROTECTIVE EQUIPMENT.
Unusual Fire/Explosion Hazard:FIRE CONDITIONS MAY EVOLVE TOXIC
FUMES.CONTACT WITH METALS EVOLVES EXPLOSIVE HYDROGEN GAS.

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

Spill Release Procedures:TOXIC MERCURY VAPORS SHOULD NOT BE ALLOWED TO
CONTAMINATE THE AIR OR WATER;USE A MERCURY DECONTAMINATING
AGENT.SOAK UP WITH NON-COMBUSTIBLE INERT ADSORBANT(EG.CLAY);PLACE
COLLECTED MATERIAL IN AN APPR OPRIATE CONTAINER FOR DISPOSAL.
Neutralizing Agent:NOT REPORTED.

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

Handling and Storage Precautions:STORE IN A COOL,DRY,WELL-VENTILATED
PLACE.KEEP CONTAINER CLOSED WHEN NOT IN USE.KEEP AWAY FROM LIGHT
AND INCOMPATIBLE MATERIALS.
Other Precautions:FOLLOW LABEL DIRECTIONS.AVOID BREATHING VAPORS.AVOID
SKIN AND EYE CONTACT.

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

Respiratory Protection:WHERE ENVIRONMENTAL CONTROLS ARE LACKING OR IN
ENCLOSED SPACES USE EITHER A SELF-CONTAINED BREATHING APPARATUS OR
A NIOSH/MSHA APPROVED RESPIRATOR FOR ACID GAS,DEPENDING ON THE
AIRBORN CONCENTRATION.
Ventilation:LOCAL VENTILATION AT THE WORKSITE;MECHANICAL(GENERAL)
VENTILATION TO MAINTAIN TLV/PEL.
Protective Gloves:DISPOSABLE LATEX.
Eye Protection:CHEMICAL SPLASH GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING,AS NEEDED.PROVIDE A
LOCAL EYE WASH STATION AND SAFETY SHOWER.
Work Hygienic Practices:EXECISE GOOD LABORATORY PRACTICES.WASH HANDS
AFTER USE AND BEFORE EATING.
Supplemental Safety and Health
NONE

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

HCC:C1
Boiling Pt:B.P. Text:221F,105C
Spec Gravity:1.78
pH:<0.5
Evaporation Rate & Reference:NONE
Solubility in Water:MISCIBLE
Appearance and Odor:LIQUID,TURBID;LIGHT ORANGE.ODOR NOT DETERMINED.
Corrosion Rate:CORROSIV

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

Stability Indicator/Materials to Avoid:YES
STRONG CAUSTICS.
Stability Condition to Avoid:LIGHT,CONTAMINATION FROM ORGANIC
MATERIALS.
Hazardous Decomposition Products:OXIDES OF SULFUR,MERCURY COMPOUNDS.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL,STATE AND
LOCAL REGULATIONS.HMIS SUGGESTS THAT THIS IS RCRA CORROSIVE AND
TOXIC WASTE.

======================================================================
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 ***
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