SECTION I, SUPPLIER INFORMATION

PRODUCT: 1548 HFPA Ratings:

Health: 2

Texas Water Technologies Fire: 0

P.O. Box 201305 Reactivity: 0

Arlington, Texas 76006 Special: -

817/467-4574 0=Least to 4=Extreme

SECTION II, HAZARDOUS INGREDIENTS

HAZARDOUS COMPONENTS - (CAS NUMBER) EXPOSURE LIMITS

Potassium Dimethyldithiocarbamate (128-04-8) N/A

SECTION III, Physical/Chemical Characteristics

BOILING POINT, >212 Degrees F. MELTING POINT, NA

SPECIFIC GRAVITY (H2O = 1), 1.04 - 1.06 VAPOR PRESSURE, ND

VAPOR DENSITY (AIR =1),>1.0 EVAPORATION RATE (BUAC = 1), >1

SOLUBILITY IN WATER, Soluble

APPEARANCE AND ODOR, Light yellow to amber liquid; Ammonia-Sulfide odor.

SECTION IV, FIRE AND EXPLOSION HAZARD DATA

FLASH POINT (METHOD), NA

FLAMMABLE LIMITS: LOWER, ND UPPER, ND

EXTINGUISHING MEDIA, Use extinguishing media appropriate for surrounding conditions.

SPECIAL FIRE FIGHTING PROCEDURES, Approach fire from upwind side. Avoid breathing smoke, fumes, mist or vapors on the downwind side. Fire fighters wear protective clothing, and self contained breathing apparatus.

UNUSUAL FIRE AND EXPLOSION HAZARDS, Fire fighters wear protective clothing, and self contained breathing apparatus.

SECTION V, Reactivity Information

STABILITY: PRODUCT IS; Stable INCOMPATIBILITY: ND

MATERIALS TO AVOID, Strong Acids and Oxidizers.

HAZARDOUS DECOMPOSITION OR BY-PRODUCTS: FROM FIRE: Carbon disulfide and dimethylamine.

HAZARDOUS POLYMERIZATION: Will not occur.

SECTION VI, HEALTH HAZARD DATA

ROUTES OF ENTRY

INHALATION? Unlikely-irritating SKIN/EYES? Unlikely-irritating

(High levels of mist can cause irritation to lung tissue.)

INGESTION? Unlikely-irritating SKIN ABSORPTION? Unlikely-irritating

HEALTH HAZARDS

ACUTE: Corrosive to skin, eyes, and mucous membranes.

ORAL LD50 = 1867 mg/kg; DERMAL LD50 = 2.99 g/kg

CHRONIC: No data available on chronic health effects.

CARCINOGENICITY

LISTED IN; NTP? No IARC Monographs? No OSHA Regulated? No

SIGNS AND SYMPTOMS OF EXPOSURE: Immediate irritation and burning sensation followed by destruction of skin or eye tissue.

MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE: No data established.

FIRST AID PROCEDURES

EYE CONTACT: Flush eyes with water 15 minutes. Get medical attention if symptoms develop and persist.

SKIN CONTACT: Flush with water or soap and water for 15 minutes or until all traces have been removed. Get medical attention if symptoms develop and persist.

INGESTION: Do not induce vomiting. Rinse mouth out with water. Get immediate medical attention.

INHALATION: Remove victim to fresh air and, if needed, immediately begin artificial respiration. Give oxygen if breathing is labored. Get emergency medical help. Contact physician immediately.

SECTION VII, PRECAUTIONS FOR SAFE HANDLING AND USE

SPILL OR LEAK PROCEDURES: Emergency response coordinator must have mandated training. Eliminate all ignition sources. SMALL SPILLS: Pick up with absorbent materials and place in non-leaking containers; seal tightly for proper disposal or reuse. LARGE SPILLS: Evacuate the hazard area of unprotected personnel. Wear appropriate respirator and protective clothing. Shut off source of leak if safe to do so. Dike and contain. Remove with vacuum trucks or pump to storage/salvage vessels.

PRECAUTIONS TO BE TAKEN IN HANDLING AND STORAGE: Store away from acids materials, and oxidizers.

OTHER PRECAUTIONS: Clean up leaks immediately to prevent soil or water contamination.

SECTION VIII, CONTROL MEASURES

RESPIRATORY PROTECTION: Not normally needed, under normal conditions of use. If TLV is met or exceeded, use NIOSH Approved respirator.

VENTILATION: LOCAL EXHAUST: recommended Special, Not necessary

MECHANICAL: recommended Other, Not necessary

PROTECTIVE GLOVES: Chemical resistant gauntlet type gloves.

EYE PROTECTION: Chemical goggles or face shield.

OTHER PROTECTIVE EQUIPMENT: Boots, aprons, drench showers, eye wash as needed for protection against spills and/or splashes.

WORK HYGIENIC PRACTICES: Avoid contact with skin, eyes and work clothing. After handling this product, wash hands before eating, drinking or smoking. If contact occurs, remove contaminated clothing. If needed, take first aid action shown in section IV. Launder contaminated clothing before reuse.

SECTION IX, TRANSPORTATION INFORMATION

Corrosive Liquid, N.O.S.,UN-1760, Contains Potassium Dimethyldithiocarbamate

RQ: - None

SECTION X, Other Data

EPA Hazards, 1-Acute YES 2-Chronic NO 3-Flammability NO

4-Sudden Release of Pressure NO 5-Reactive NO

CERCLA RQ: None

SARA Title III

Section 313, Toxic Materials:

Chemicals: CAS Number: Weight %

CLEAN AIR ACT: Not Listed CLEAN WATER ACT: Not Listed

Footnotes:

NA - Not Applicable ND - Data Not Available

CS - Cancer Suspect Agent OX - Oxidizer

COR - Corrosive STEL - Short Time Exposure Limit

TLV - Threshold Limit Value PEL - Permissible Exposure Limit

TWA - Time Weighted Average, 8 Hours HMIS, PPI - Hazardous Material Identification System, Personal Protection Index

The date presented is true and correct to the best of our knowledge and belief, however, neither seller nor preparer makes any warranties, expressed or implied, concerning the information presented. The used is cautioned to perform his own evaluation and rely upon his own determination.

Form essentially the same as OSHA Form 174 Dated September 1985

Preparation date: January 2001