Product ID:HARDNESS BUFFER,L291
MSDS Date:08/22/1995
FSC:6850
NIIN:01-390-4335
MSDS Number: CLCCM

BETZDEARBORN INC., WATER MANAGEMENT GROUP

200 WITMER ROAD
HORSHAM, PA 19044
US

Emergency Phone: 800-877-1940

Info Phone: 215-773-6269/800-877-1940(USA)

Cage: 57394

SDB CONSULTANTS LTD

GRETNA, LA 70056 US

Telephone: 504-366-9105

Cage: 0PGK2

BORIC ACID, DISODIUM SALT, PENTAHYDRATE

CAS: 12179-04-3

RTECS: VZ2540000

OSHA PEL NOT DETERMINED

ACGIH TLV: 1 MG/M3

POTASSIUM HYDROXIDE (CAUSTIC POTASH)

CAS: 1310-58-3

RTECS: TT2100000

OSHA PEL C 2 MG/M3

ACGIH TLV: C 2 MG/M3

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

SODIUM SULFIDE (ANHYDROUS)

CAS: 1313-82-2

RTECS: WE1905000

OSHA PEL NOT DETERMINED

ACGIH TLV: NOT DETERMINED

LD50 LC50 Mixture:LD50 (ORAL, RAT) >2,000 MG/KG ESTIMATED
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS: NO EVIDENCE OF
POTENTIAL CHRONIC EFFECTS. ACUTE: SKIN-MAY CAUSE MODERATE
IRRITATION TO THE SKIN. EYE-SEVERE IRRITANT TO THE EYES, POSSIBLY
CORROSIVE. RESPIRATORY-MISTS/AEROSOLS MAY CAUS E IRRITATION TO
UPPER RESPIRATORY TRACT. INGESTION-MAY CAUSE GASTROINTESTINAL TRACT
IRRITATION WITH POSSIBLE NAUSEA, VOMITING, ABDOMINAL DISCOMFORT AND
DIARRHEA.
Explanation of Carcinogenicity:NO COMPONENT IS CONSIDERED TO BE A
CARCINOGEN BY THE NATIONAL TOXICOLOGY PROGRAM, THE INTENATIONAL
AGENCY FOR RESEARCH ON CANCER, OR THE OCCUPATIONAL SAFETY & HEALTH
ADMINISTRATION AT OSHA THRESHOLD F OR CARCINOGENS.
Effects of Overexposure:CAUSES IRRITATION OF THE SKIN, EYES, AND/OR
RESPIRATORY SYSTEM.
Medical Cond Aggravated by Exposure:NOT KNOWN.

First Aid:SKIN-REMOVE CONTAMINATED CLOTHING. WASH EXPOSED AREA WITH A
LARGE QUANTITY OF SOAP SOLUTION OR WATER FOR 15 MIN.
EYE-IMMEDIATELY FLUSH EYES WITH WATER FOR 15 MIN. IMMEDIATELY
CONTACT A PHYSICIAN FOR T REATMENT. INHALATION-REMOVE VICTIM FROM
CONTAMINATED AREA TO FRESH AIR. APPLY FIRST AID TREATMENT AS
NECESSARY. INGESTION-DO NOT INDUCE VOMITING. IMMEDIATELY CONTACT
PHYSICIAN. DILUTE CONTENTS OF STOM ACH USING 3-4 GLASSES MILK OR
WATER. NOTES TO PHYSICIAN: NO SPECIAL INSTRUCTIONS.

Flash Point Method:PMCC
Flash Point:>93.3C, 200.F
Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, FOAM OR WATER.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD WEAR POSITIVE PRESSURE
SELF-CONTAINED BREATHING APPARATUS (FULL FACEPIECE TYPE).

Spill Release Procedures:VENTILATE AREA. USE SPECIFIED PROTECTIVE
EQUIPMENT. CONTAIN AND ABSORB ON ABSORBENT MATERIAL. PLACE IN WASTE
DISPOSAL CONTAINER. FLUSH AREA WITH WATER. WET AREA MAY BE
SLIPPERY. SPREAD SAND/GRIT.
Neutralizing Agent:WEAK ACID

Handling and Storage Precautions:HANDLING: NORMAL CHEMICAL HANDLING.
STORAGE: KEEP CONTAINERS CLOSED WHEN NOT IN USE. KEEP DRY.
Other Precautions:HMIS RATINGS: HEALTH=2, FLAMMIBILITY=1, REACTIVITY=0.

Respiratory Protection:A RESPIRATORY PROTECTION POGRAM THAT MEETS
OSHA'S 29 CFR 1910.134 & ANSI Z88.2 REGS MUST BE FOLLOWED WHENEVER
WORKPLACE CONDITIONS WARRANT RESPIRATOR USE. USE AIR PURIFYING
RESPIRATORS WITHIN USE LIMI TATIONS ASSOCIATED WITH EQUIPMENT OR
USE SUPPLIED AIR RESPIRATORS. IF AIR-PURIFYING RESPIRATOR USE IS
APPROPIATE, USE A RESPIRATOR WITH DUST/MIST FILTERS.
Ventilation:ADEQUATE VENTILATION TO MAINTAIN AIR CONTAMINANTS BELOW
EXPOSURE LIMITS.
Protective Gloves:NEOPRENE GLOVES - WASH OFF AFTER EACH USE. REPLACE AS
NECESSARY.
Eye Protection:AIRTIGHT CHEMICAL GOGGLES.
Work Hygienic Practices:WASH HANDS AFTER HANDLING. LAUNDRY CONTAMINATED
CLOTHING PRIOR TO REUSE.
Supplemental Safety and Health
REAGENT NAME: HARDNESS BUFFER. REAGENT CODE: L291. REAGENT APPLICATION
AREA: FIELD TEST REAGENT.

HCC:B3
NRC/State Lic Num:NOT RELEVANT
pH:10 AS IS
Viscosity:NOT RELEVANT
Evaporation Rate & Reference:< 1.00 (ETHER=1)
Solubility in Water:100%
Appearance and Odor:WHITE POWDER - SLIGHT SULFUR ODOR

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS.
Stability Condition to Avoid:STABLE UNDER NORMAL STORAGE CONDITIONS.
Hazardous Decomposition Products:THERMAL DECOMPOSITION (DESTRUCTIVE
FIRES) YIELDS ELEMENTAL OXIDES.
Conditions to Avoid Polymerization:WILL NOT OCCUR

Waste Disposal Methods:WATER CONTAMINATED WITH THIS PRODUCT MAY BE SENT
TO A SANITARY SEWER TREATMENT, IN ACCORDANCE WITH ANY LOCAL
AGREEMENT, A PERMITTED WASTE TREATMENT FACILITY OR DISCHARGE UNDER
A PERMIT. PRODUCT AS IS - INCINERATE OR LAND DISPOSE IN AN
APPROVED LANDFILL.

Toxicological Information:ORAL LD50 RAT: >2,000 MG/KG. NOTE-ESTIMATED
VALUE. DERMAL LD50 RABBIT: >2,000 MG/KG. NOTE-ESTIMATED VALUE.

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.

Ecological:AQUATIC TOXICOLOGY: NO DATA AVAILABLE. BIODEGRADATION: NO
DATA AVAILABLE.

Transport Information:DOT HAZARD: NOT APPLICABLE. UN/NA NUMBER: NOT
APPLICABLE. DOT EMRGENCY RESPONSE GUIDE #: NOT APPLICABLE.

SARA Title III Information:CERCLA AND/OR SARA REPORTABLE QUANTITY (RQ):
NO REGULATED CONSTITUENT PRESENT AT OSHA THRESHOLDS. SARA SECTION
312 HAZARD CLASS: IMMEDIATE (ACUTE). SARA SECTION 302 CHEMICALS:
NO REGULATED CONSTITUEN T PRESENT AT OSHA THRESHOLDS. SARA SECTION
313 CHEMICALS: NO REGULATED CONSTITUENT PRESENT AT OSHA
THRESHOLDS.
Federal Regulatory Information:TSCA: ALL COMPONENTS OF THIS PRODUCT ARE
LISTED IN TH TSCA INVENTORY.
State Regulatory Information:CALIFORNIA SAFE DRINKING WATER AND TOXIC
ENFORCEMENT ACT (PROPOSITION 65) CHEMICALS PRESENT: NO REGULATED
CONSTITUENT PRESENT AT OSHA THRESHOLDS. MICHIGAN REGULATORY
INFORMATION: NO REGULATED CONSTI TUENT PRESENT AT OSHA THRESHOLDS.