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                                                                                              LATERITE







                                   MATERIAL SAFETY DATA SHEET

                                THIS DOCUMENT REPRESENTS A MODIFICATION OF A

                                         U. S. DEPARTMENT OF LABOR

                               OCCUPATIONAL SAFETY & HEALTH ADMINISTRATION

                                           NON-MANDATORY FORM





                                  SECTION I - MANUFACTURER IDENTIFICATION



Manufacturer (Producer/Processor):            IMCO                                       Date: July 19, 2002

Address:                                      7268 Frasinetti Road

                                              Sacramento, CA. 95828

Telephone:                                    (916) 383-2811       FAX: (916) 383-8741

Product Name:                                 LATERITE





                       SECTION II - HAZARDOUS INGREDIENTS/IDENTIFY INFORMATION



        Component                 Chemical         Common       Threshold Limit Value           %

                                  Formula          Name         Respirable Dust

                                                                    ACGIH: 0.1 mg/m3

        Free Silica (Quartz)          SiO2           Silica                                    2+/-



Note:





                               SECTION III - PHYSICAL/CHEMICAL CHARACTERISTICS



                                             N/A                                             2.5

        Boiling Point (mm llg):                        Specific Gravity (1120 = 1):



                                             N/A                                            N/A

        Vapor Pressure                                 Melting Point:



                                             N/A                                            N/A

        Vapor Density (Air = 1)                        Evaporation Rate: (Butyl

                                                       Aceiaic=1)

                                             N/A

        Solubility in Water:



        Appearance and Color: Reddish Tan - no odor

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                           SECTION IV - FIRE AND EXPLOSIVE HAZARD DATA



                                             Not Flammable                               Not

      Flash Point:                                               Flammable Limits:

                                                                                         Flammable

                                             N/A

      Extinguish Media:



                                             N/A

      Special Fires Fighting Procedures:



                                             None

      Unusual Fire and Explosion

      Hazards:









                                      SECTION V - REACTIVITY DATA



                                                        Stable                                     None

      Stability:                                                        Conditions to Avoid :



                                                        None                                       None

      Incompatibility:                                                  Material to Avoid:



                                                        None

      Hazardous Decomposition or By products:



                                                        Will not                                   None

      Hazard Polymerization:                                            Conditions to Avoid:

                                                        Occur







                                   SECTION VI - HEALTH HAZARD DATA



                                Inhalation

      Route(s) of Entry:



                                   Health Hazards (Acute and Chronic):



                                May cause irritation.

      Eye



                                N/A

      Ingestion



                                May cause irritation.

      Skin



                                Contains crystalline which may cause delayed respiratory disease

      Inhalation

                                (silicosis) if inhaled over a prolonged period of time. The State of

                                California has determined crystalline silica to cause cancer.

                                IARC Monographs Volume 68, 1997 concludes that there is sufficient

      Carcinogenicity:

                                evidence that inhaling crystalline silica causes cancer in humans.

                                      Signs & Symptoms Exposure:

                                Respiratory system conditions.

      Medical Conditions

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      Aggravated (Exposure):

                                          Emergency & First Aid:

                                  Flush with plenty of water for 15 minutes, if irritation persists, see a

      Eye

                                  physician.

                                  N/A

      Ingestion

                                  Wash with mild soap and water.

      Skin

                                  Remove to fresh air. If irritation persists see a doctor.

      Inhalation









                           SECTION VII - PRECAUTIONS FOR SAFE HANDLING AND USE



                                          Sweep up spill after wetting to avoid dust generation.

      Material released or spilled:



                                          Dispose in closed containers at an approved landfill, in

      Waste disposal Method:

                                         accordance with all federal, state and local laws..

                                          Keep in closed containers. Avoid creation of dust; use

      Precaution in Handling &

                                         ventilation and exhaust equipment as required to abate dust in

      Storing:

                                         the work place.







                                     SECTION VIII - CONTROL MEASURES



                                         NIOSH approved dust mask (Wear 3M 7810 Dust Mask).

      Respiratory Protection:



                                         Sufficient of maintain OSHA PEL.

      Ventilation:



                                         Appropriate to activity performed.

      Protection Gloves:



                                         Recommended

      Eye Protection:



                                         Safety showers and eye washes.

      Other Protective Clothing or

      Equipment:



                                         Brush clothing in natural ventilation; replace dust mask

      Work/Hygienic Practices:

                                         regularly. Good house keeping to minimize dust.

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(MSDS 12-99)