COMPANY NAME:         Dial Manufacturing, Inc.

                                    25 S. 51st Avenue

                                    Phoenix, Arizona  85043

                                    Tel. No.: (602) 278-1100

Effective Date:  03/01/98

TPCA Hazardous Materials Rating Identification System

HEALTH:                          1       Slight

FLAMMABILITY:               0       Insignificant

REACTIVITY:                    0       Insignificant

SPECIAL PROT:               0       Insignificant

PRODUCT NAME:         JR'S EVAP COOLER TREATMENT (E.C.T.)

PRODUCT NUMBER:    Dial   5247 (Quart)
                                            5248 (Gallon)
                                            5249 (Quart)

Chemical Name:

NA Mixture

Wt. %

PEL

TWA-TLV

STEL-TLV

Carcinogen

Hydroxy-ethylidene  Diphosphonic Acid

N/A

N/A

N/D

No

  III.   PHYSICAL DATA

  IV.   FIRE AND EXPLOSION HAZARD DATA

Boiling Range:  <212°F

Vapor Pressure:  N/A

pH:  2.0 to 2.6

Evaporation Rate:  N/A

Physical Description:  Water Clear Solution

Specific Gravity:  8.46

Vapor Density:  N/A

Volatile (% by wt.):  90%

Active:  15%

Odor:  Mild Acidic

Solubility in Water:  Complete

Pour Point:  N/A

Flash Point (Method Used):     None

Upper Explosive Limit:             N/A

Lower Explosive Limit:            N/A

Extinguishing Media:                N/A

Special Fire Fighting               
Procedures:                            None
Unusual Fire & Explosion       

Hazards:                                 None

   V.   REACTIVITY DATA

  VI.   STORAGE & HANDLING INFORMATION

Stability:  Stable

Conditions to Avoid:  Strong Oxiders and Strong Alkalies

Hazardous Polymerization:  Will not occur

Incompatibility (Material to Avoid):  Contact with strong oxidizing agents.

Hazardous Decomposition Products:  During combustion, carbon monoxide. May liberate Phosphorous Oxides.

Precautions to be Taken in Handling & Storage:  Normal care in handling and storage. Keep out of reach of children. Misuse of empty containers can be hazardous.

VII.   HEALTH HAZARDS AND FIRST AID

Routes of Entry:      Inhalation:  N/A
                                Skin:  Yes
                                Ingestion:  Yes

Carcinogenicity:  No                NTP:  N/A

IARC Monographs:  N/A          OSHA Regulated:  No

None of the ingredients are listed as carcinogens by IARC, NTP, & OSHA

Signs and Symptoms of Exposure:  Slightly irritating to the skin

Medical Conditions Generally Aggravated by Exposure:  Dry skin with excessive exposure. Ingestion of product may result in vomiting, aspiration.

First Aid Procedures:

Skin:            Flush with plenty of water. Seek medical attention if irritation persists.

Eyes:           Flush with large quantities of water, occasionally lifting upper and lower lids. Seek medical attention if irritation persists.

Inhalation:    Move exposed person to fresh air. Seek medical attention if irritation persists.

Ingestion:     Drink plenty of milk and induce vomiting. Seek medical attention if irritation persists.

VIII.   SPECIAL PROTECTION INFORMATION

Respiratory Protection:  N/A

Protective Gloves:  Recommended

Protective Apron:  None

Work/Hygienic Practices:  Wash hands after use and contact with soap and water.

Ventilation:  Standard. Use with adequate ventilation when working with the concentrate.

Eye Protection:  Wearing goggles or tight-fitting safety glasses is recommended when working with the concentrate.

  IX.   SPILL OR LEAK PROCEDURES

Steps to be Taken In Case Material Is Released or Spilled:
Contain spill and mop and rinse with plenty of water.

Waste Disposal Method: Landfill contaminated absorbent. Avoid land filling liquids. Small amounts may be disposed of in sewer if diluted with water. Local, State & Federal laws apply.