TECH SPRAY INC -- ENVI-RO-TECH DUSTER -- 6850-01-412-0040 
=====================  Product Identification  =====================

Product ID:ENVI-RO-TECH DUSTER
MSDS Date:07/28/1999
FSC:6850
NIIN:01-412-0040
=== Responsible Party ===
Company Name:TECH SPRAY INC
Address:1001 NW 1ST
Box:949
City:AMARILLO
State:TX
ZIP:79105-0949
Country:US
Info Phone Num:806-372-8523
Emergency Phone Num:(800)424-9300
Resp. Party Other MSDS Num.:PRODUCT NUMBER:  1671 AEROSOL
Preparer's Name:NOT PROVIDED
Chemtrec Ind/Phone:(800)424-9300
CAGE:54700
=== Contractor Identification ===
Company Name:TECH SPRAY INC
Address:1001 NW 1ST
Box:949
City:AMARILLO
State:TX
ZIP:79105-0949
Country:US
Phone:806-372-8523
CAGE:54700
Company Name:WAITE R M CO
Address:2100 EMBARCADERO SUITE 203
Box:City:OAKLAND
State:CA
ZIP:94606
Country:US
Phone:510-535-1266
Contract Num:SP0450-00-M-SB91
CAGE:0V485
Company Name:WAITE R M CO
Address:2100 EMBARCADERO SUITE 203
Box:City:OAKLAND
State:CA
ZIP:94606
Country:US
Phone:510-535-1266
Contract Num:SPO450-01-M-D658
CAGE:0V485
Company Name:WAITE R M CO
Address:2100 EMBARCADERO SUITE 203
Box:City:OAKLAND
State:CA
ZIP:94606
Country:US
Phone:510-535-1266
Contract Num:SPO450-01-M-W131
CAGE:0V485

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

Ingred Name:1,1,1,2-TETRAFLUOROETHANE
CAS:811-97-2
= Wt:100.
Other REC Limits:1000 PPM; SUPPLIER
ACGIH TLV:NOT PROVIDED

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

LD50 LC50 Mixture:NOT PROVIDED
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:POTENTIAL HEALTH EFFECTS: INHALATION:
    MINIMAL EFFECTS BELOW 1000 PPM. DIZZINESS, DROWSINESS, AND THROAT
    IRRITATION POSSIBLE AT LEVELS ABOVE 1,000 PPM. UNCONSCIOUSNESS AND
    DEATH AT LEVELS ABOVE 10,000  PPM.	BLOOD PRESSURE DEPRESSION,
    CARDIACSENSITIZATION, VENTRICULAR ARRHYTHMIA CAN RESULT FROM
    EXPOSURE TO NEAR-ANESTHETIC LEVELS. EYES: CAN CAUSE SLIGHT,
    TEMPORARY IRRITATION WITH SLIGHT CORNEAL INJUR Y. SKIN:
    PROLONGED/REPEATED CONTACT CAN CAUSE FREEZING, DEFATTING,
    DERMATITIS. INGESTION: TOXICITY IS LOW TO MODERATE. IF VOMITING
    OCCURS, LIQUID CAN BE ASPIRATED INTO LUNGS CAUSING CHEMICAL
    PNEUMONIA . GI AND CNS EFFECTS POSSIBLE.
Explanation of Carcinogenicity:THIS PRODUCT DOES NOT CONTAIN ANY
    COMPOUNDS LISTED BY NTP OR IARC OR REGULATED BY OSHA AS A
    CARCINOGEN.
Effects of Overexposure:INHALATION: DIZZINESS, DROWSINESS, AND THROAT
    IRRITATION POSSIBLE AT LEVELS ABOVE 1,000 PPM. UNCONSCIOUSNESS AND
    DEATH AT LEVELS ABOVE 10,000 PPM.  BLOOD PRESSURE DEPRESSION,
    CARDIACSENSITIZATION, VEN TRICULAR ARRHYTHMIA CAN RESULT FROM
    EXPOSURE TO NEAR-ANESTHETIC LEVELS. EYES: CAN CAUSE SLIGHT,
    TEMPORARY IRRITATION WITH SLIGHT CORNEAL INJURY. SKIN:
    PROLONGED/REPEATED CONTACT CAN CAUSE FREEZING, DE FATTING,
    DERMATITIS.
Medical Cond Aggravated by Exposure:NOT PROVIDED

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

First Aid:INHALATION: MOVE TO FRESH AIR. IF VICTIM HAS STOPPED
    BREATHING, GIVE ARTIFICIAL RESPIRATION.  CALL FOR PROMPT MEDICAL
    ATTENTION. EYE CONTACT: FLUSH WITH WATER FOR 15 MINUTES/UNTIL      
       IRRITATION  SUBSIDES. IF IRRITATIONS PERSIST, GET MEDICAL
    ATTENTION. SKIN CONTACT: REMOVE CONTAMINATED CLOTHING. FLUSH SKIN
    WITH LARGE AMOUNT OF WATER. USE SOAP IF AVAILABLE. IF IRRITATION
    PERSISTS, SEEK MEDICAL  ATTENTION. INGESTION: DO NOT INDUCE
    VOMITING UNLESS DIRECTED BY A PHYSICIAN. IF CONSCIOUS AND ALERT,
    GIVE TWO GLASSES OF WATER. SEEK MEDICAL ATTENTION IMMEDIATELY.

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

Flash Point Method:TCC
Flash Point:NONE
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:WATER, FOAM, DRY CHEMICAL, CARBON DIOXIDE
Fire Fighting Procedures:FIRE FIGHTERS SHOULD WEAR SELF CONTAINED,
    POSITIVE-PRESSURE BREATHING      APPARATUS AND AVOID SKIN CONTACT.
Unusual Fire/Explosion Hazard:AEROSOL CANS MAY ERUPT WITH FORCE AT
    TEMPERATURES ABOVE 120 DEGREES F.

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

Spill Release Procedures:EVACUATE AREA. VENTILATE AREA WELL AND AVOID
    BREATHING VAPORS. VAPOR    CONCENTRATION WILL BE HIGHEST ALONG
    FLOOR AND IN LOW LYING AREAS. PICK UP    LIQUID ON SUITABLE
    ABSORBENT AND STORE IN SEALED CO NTAINERS.
Neutralizing Agent:NOT RELEVANT

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

Handling and Storage Precautions:STORAGE TEMPERATURE: AMBIENT. GENERAL:
    KEEP CONTAINER CLOSED WHEN NOT IN USE.  STORE IN COOL, WELL
    VENTILATED PLACE OUT OF DIRECT SUNLIGHT AND AWAY FROM INCOMPATIBLE
    MATERIALS. FOLLOW ALL MSD SHEET AN D LABEL WARNINGS EVEN AFTER
    CONTAINER IS EMPTIED.
Other Precautions:NOT PROVIDED

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

Respiratory Protection:IF CONCENTRATIONS ARE OVER THE EXPOSURE LIMIT
    AND ARE KNOWN, AIR		 PURIFYING RESPIRATOR WITH ORGANIC
    VAPOR CARTRIDGES MAY BE ACCEPTABLE. 	  REFER TO CARTRIDGES
    FOR ACCEPTABLE LEVELS.  I F CONCENTRATIONS ARE	     OVER
    EXPOSURE LIMIT AND ARE UNKNOWN, USE A SUPPLIED AIR RESPIRATOR.
Ventilation:LOCAL EXHAUST VENTILATION ACCEPTABLE
Protective Gloves:NEOPRENE, BUTYL, NATURAL LATEX, COTTON RECOMMENDED
Eye Protection:SAFETY GLASSES
Other Protective Equipment:NOT PROVIDED
Work Hygienic Practices:NOT PROVIDED
Supplemental Safety and Health
P/N: 1671-10S TECH SPRAY. ABBREVIATION: N/A=NOT APPLICABLE OR NOT
    AVAILABLE. N/K=UNKNOWN. N/P=NOT PROVIDED. N/R=NOT RELEVANT. N/D=NOT
    DETERMINED. N/E=NOT ESTABLISHED. CNS=CENTRAL NERVOUS SYSTEM. GI=GA
    STROINTESTINAL.

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

HCC:V2
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:=-32.6C, -27.F
Melt/Freeze Pt:M.P/F.P Text:NOT AVAILABLE
Decomp Temp:Decomp Text:NOT PROVIDED
Vapor Pres:NOT PROVIDED
Vapor Density:3.0(AIR=1)
Spec Gravity:1.202
Evaporation Rate & Reference:>1 (H20=1)
Solubility in Water:0
Appearance and Odor:CLEAR WATER-WHITE LIQUID WITH LOW ODOR
Percent Volatiles by Volume:100
Corrosion Rate:NOT PROVIDED

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

Stability Indicator/Materials to Avoid:YES
REACTIVE ALKALI METALS, STRONG ACIDS & BASES
Stability Condition to Avoid:CONTACT WITH OPEN FLAME, HEAT
Hazardous Decomposition Products:HYDROGEN FLUORIDE, CARBON DIOXIDE, AND
    CARBON MONOXIDE

===================  Toxicological Information	===================

Toxicological Information:INFORMATION NOT AVAILABALE.

=====================  Ecological Information  =====================

Ecological:INFORMATION NOT AVAILABLE.

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

Waste Disposal Methods:RCRA 40 CFR 261 CLASSIFICATION:	     FEDERAL,
    STATE, AND LOCAL LAWS GOVERNING DISPOSAL OF MATERIALS CAN DIFFER.  
	ENSURE PROPER DISPOSAL COMPLIANCE WITH PROPER AUTHORITIES
    BEFORE DISPOSAL.

===================  MSDS Transport Information  ===================

Transport Information:U.S. DOT INFORMATION:PROPER SHIPPING NAME:
    CONSUMER COMMODITY ORM-D   HAZARD CLASS: N/A.   PACKAGING GROUP:
    N/A  UN NUMBER: N/A  LIMITATIONS: MUST PLACE CONSUMER COMMODITY
    ORM-D ON BOX. MUST HAVE A  C OPY OF  DOT-E-10232 WITH EACH
    SHIPMENT. IATA PROPER SHIPPING NAME: CONSUMER COMMODITY  HAZARD
    CLASS: 9   PACKING GROUP: N/A  UN NUMBER: ID8000  LIMITATIONS: A
    COPY OF DOT-E-10232 MUST BE ATTACHED TO S HIPMENT. DOMESTIC
    SHIPMENTS ONLY. WHEN SHIPPING INTERNATIONAL CONTACT TECH SPRAY
    SHIPPING DEPARTMENT. MUST HAVE A COPY OF DOT-E-10232 WITH SHIPMENT.
    IMO PROPER SHIPPING NAME: AEROSOLS IN LIMITED QUANT ITIES  CLASS:
    2.2  UN NUMBER: UN1950

=====================  Regulatory Information  =====================

SARA Title III Information:SECTION 302 - EXTREMELY HAZARDOUS SUBSTANCES
    (40 CFR 355): NONE OF THE CHEMICALS ARE SECTION 302 HAZARDS.
    SECTION 311/312 - MATERIAL SAFETY DATA SHEET REQUIREMENTS (40 CFR
    370) BY OUR HAZARD EVALUATIO N, THIS PRODUCT IS HAZARDOUS.	IT
    SHOULD BE REPORTED UNDER THE FOLLOWING EPA HAZARD.	(X) IMMEDIATE
    (ACUTE) HEALTH HAZARD.  SECTION 313 - LIST OF TOXIC CHEMICALS (40
    CFC 372):  THIS PRODUCT CONTAINS T HE FOLLOWING CHEMICALS (AT
    LEVELS OF 1% OR   GREATER) WHICH ARE FOUND ON THE 313 LIST OF TOXIC
    CHEMICALS: NONE OF THE CHEMICALS ARE 313 TOXIC CHEMICALS.
Federal Regulatory Information:TOXIC SUBSTANCE CONTROL ACT (TSCA): ALL
    SUBSTANCES ARE TSCA LISTED.
State Regulatory Information:CALIFORNIA PROPOSITION 65: 	   THIS
    PRODUCT CONTAINS THE FOLLOWING INGREDIENTS WHICH APPEAR ON THE     
	  CALIFORNIA PROPOSITION 65 LIST:		CHEMICAL       
			  C.A.S. NUMBER    WEIGHT %   --- NONE OF THE
    CHEMICALS ARE ON THE PROPOSITION 65 LIST ---

=======================  Other Information  =======================

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 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
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