BDH INC.                                    
              M A T E R I A L   S A F E T Y   D A T A   S H E E T              
                                                                               
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            SECTION I CHEMICAL PRODUCT AND COMPANY IDENTIFICATION              
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  MANUFACTURER:                                                                
                                                                               
    BDH INC.                     INFORMATION PHONE NO.: 416-255-8521           
    350 EVANS AVENUE             HOURS: MON. TO FRI. (0830 - 1630)             
    TORONTO, ONTARIO             CHEMTREC TRANSPORTATION EMERGENCY CENTER      
    CANADA, M8Z 1K5              (CHEMTREC) 24-HOUR...1-800-424-9300           
 PRODUCT NAME: BUFFER PH 10.00, BLUE                                           
 CATALOGUE NUMBER(S): 34170-133, 34170-151, 34170-160, 34170-178, B-2105-03, B-
 2105-04, B-2105-06, B-2105-08, 34170-161, 34170-198                           
 CHEMICAL NAME/OTHER NAME: BUFFER PH 10.00, BLUE                               
 CHEMICAL FORMULA: H2O, NA2CO3, C37H35N2O6S2NA, NAHCO3, C6H12N4+(CH2CHCHCL)CL- 
 CHEMICAL FAMILY: MIXTURE                                                      
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               SECTION II COMPOSITION/INFORMATION ON INGREDIENTS               
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 CHEMICAL NAME         CAS NO.         OSHA PEL          ACGIH TLV       %(W/V)
                                                                               
                                                                               
 WATER                7732-18-5             -                 -                
 SODIUM CARBONATE      497-19-8             -                 -           0.26 
 SODIUM BICARBONATE    144-55-8             -                 -           0.21 
 PATENT BLUE A        3486-30-4             -                 -           0.   
 001                                                                           
 DOWICIL 75                                                               0.05 
 DOWICIL 75 IS COMPOSED OF THREE SUBSTANCES:                                   
                                                                        %(W/W) 
 1-(3-CHLOROALLYL)-3,5   4080-31-3          -                 -         0.0365 
 ,7-TRIAZA-1-AZONIA-                                                           
 ADAMANTANE                                                                    
 SODIUM BICARBONATE      144-55-8           -                 -         0.0125 
 HEXAMETHYLENETETRA-   58713-21-6           -                 -         0.0002 
 MINE HYDROCHLORIDE                                                            
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                      SECTION III HAZARDS IDENTIFICATION                       
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 APPEARANCE: CLEAR, BLUE LIQUID; ODORLESS                                      
                                                                               
 ***************************** EMERGENCY OVERVIEW *****************************
                                                                               
 *                 HANDLE IN ACCORDANCE WITH GOOD LABORATORY/                 *
                                                                               
                                                                               
                                                                               
 (REFER TO LAST PAGE FOR DISCLAIMER)                 34170-133   PAGE:    1    
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
 *                  INDUSTRIAL HYGIENE AND SAFETY PRACTICES                   *
                                                                               
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            POTENTIAL HEALTH EFFECTS (ACUTE & CHRONIC)                     
                                                                               
 SYMPTOMS OF EXPOSURE: NO INFORMATION AVAILABLE                                
 MEDICAL CONDITION AGGRAVATED BY EXPOSURE: NONE IDENTIFIED                     
 ROUTES OF ENTRY: INHALATION, INGESTION                                        
 CARCINOGENICITY: NOT LISTED AS A CARCINOGEN                                   
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                       SECTION IV FIRST AID MEASURES                           
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        EYE: IN CASE OF EYE CONTACT, FLUSH WITH PLENTY OF WATER FOR AT LEAST   
 15              MINUTES WHILE HOLDING THE EYELIDS OPEN. HAVE EYES EXAMINED BY 
                   MEDICAL PERSONNEL.                                          
                                                                               
       SKIN: IN CASE OF SKIN CONTACT, WASH WITH SOAP AND WATER. GET MEDICAL    
               ATTENTION IF IRRITATION DEVELOPS OR PERSISTS.                   
                                                                               
  INGESTION: IF SWALLOWED, DO NOT INDUCE VOMITING. GIVE VICTIM A GLASS OF      
 WATER              OR MILK. CALL A PHYSICIAN IMMEDIATELY. NEVER GIVE ANYTHING 
 BY MOUTH             TO AN UNCONSCIOUS PERSON.                                
                                                                               
 INHALATION: IF INHALED, REMOVE TO FRESH AIR.                                  
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                     SECTION V FIRE FIGHTING MEASURES                          
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 FLAMMABILITY CLASSIFICATION: NONCOMBUSTIBLE                                   
 EXTINGUISHING MEDIA: USE AN EXTINGUISHER APPROPRIATE TO THE SURROUNDING       
 MATERIAL THAT IS BURNING.                                                     
 FLASH POINT(F)/METHOD: NOT APPLICABLE                                         
 FIRE & EXPLOSION HAZARD: NONE IDENTIFIED                                  
 UPPER FLAMMABLE LIMIT (%): NOT APPLICABLE                                     
 LOWER FLAMMABLE LIMIT (%): NOT APPLICABLE                                     
 AUTOIGNITION TEMPERATURE: NOT APPLICABLE                                      
 FIREFIGHTING PROCEDURES: FIREFIGHTERS SHOULD WEAR A SELF CONTAINED BREATHING  
 APPARATUS.                                                                    
 HAZARDOUS COMBUSTION PRODUCTS: SOX, NOX, COX                                  
 SENSITIVITY TO STATIC DISCHARGE: NO                                           
 SENSITIVITY TO MECHANICAL IMPACT: NO                                          
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                   SECTION VI ACCIDENTAL RELEASE MEASURES                      
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 LEAK OR SPILL CLEANUP: EVACUATE THE AREA OF ALL UNNECESSARY PERSONNEL. WEAR   
                                                                               
                                                                               
 (REFER TO LAST PAGE FOR DISCLAIMER)                 34170-133   PAGE:    2    
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
 SUITABLE PROTECTIVE EQUIPMENT LISTED IN EXPOSURE CONTROLS/PERSONAL PROTECTION.
  CONTAIN THE RELEASE AND ELIMINATE IT'S SOURCE, IF THIS CAN BE DONE WITHOUT   
 RISK. TAKE UP AND CONTAINERIZE FOR PROPER DISPOSAL AS DESCRIBED UNDER         
 DISPOSAL.COMPLY WITH FEDERAL, STATE, AND LOCAL REGULATIONS ON REPORTING       
 RELEASES. REFER TO REGULATORY INFORMATION FOR REPORTABLE QUANTITY AND OTHER   
 REGULATORY DATA.                                                              
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                       SECTION VII HANDLING & STORAGE                      
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 HANDLING & STORAGE: STORE IN A COOL, DRY , WELL VENTILATED AREA.          
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             SECTION VIII EXPOSURE CONTROLS/PERSONAL PROTECTION                
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 ENGINEERING CONTROLS: ENGINEERING AND/OR ADMINISTRATIVE CONTROLS SHOULD BE    
 IMPLEMENTED TO REDUCE EXPOSURE.                                               
                                                                               
                  PERSONAL PROTECTIVE EQUIPMENT                                
                                                                               
 GLOVES: NONE SPECIFIED                                                        
 RESPIRATORY PROTECTION: NONE SPECIFIED                                        
 EYE PROTECTION: SAFETY GLASSES                                                
 CLOTHING: NO SPECIAL REQUIREMENTS                                             
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                   SECTION IX PHYSICAL & CHEMICAL PROPERTIES               
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 PHYSICAL STATE: LIQUID                                                        
 APPEARANCE: CLEAR, BLUE LIQUID                                                
 ODOR: ODORLESS                                                                
 ODOR THRESHOLD: NOT APPLICABLE                                                
 VAPOR PRESSURE: NOT AVAILABLE                                                 
 VAPOR DENSITY: NOT AVAILABLE                                                  
 SPECIFIC GRAVITY: APPROX. 1                                                   
 BOILING POINT (F): APPROX. 212                                                
 MELTING POINT (F): APPROX. 32                                                 
 EVAPORATION RATE: NOT AVAILABLE                                               
 PH: 10.0                                                                      
 SOLUBILITY IN WATER: SOLUBLE                                                  
 OCTANOL/WATER PARTITION COEFFICIENT: NOT AVAILABLE                            
 PER CENT VOLATILE BY VOL (%): 100                                             
 MOLECULAR WEIGHT: THIS IS A MIXTURE                                           
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                      SECTION X STABILITY & REACTIVITY                     
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 CHEMICAL STABILITY: NORMALLY STABLE                                           
                                                                               
                                                                               
 (REFER TO LAST PAGE FOR DISCLAIMER)                 34170-133   PAGE:    3    
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
 CONDITIONS TO AVOID: NONE IDENTIFIED                                          
 MATERIALS TO AVOID: NONE                                                      
 HAZARDOUS POLYMERIZATION: DOES NOT OCCUR                                      
 HAZARDOUS DECOMPOSITION PRODUCTS: SOX                                         
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                    SECTION XI TOXICOLOGICAL INFORMATION                       
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 EFFECTS OF ACUTE EXPOSURE: NO INFORMATION AVAILABLE                           
 EFFECTS OF CHRONIC EXPOSURE: NO INFORMATION AVAILABLE                         
 LD50: NOT AVAILABLE                                                           
 LC50: NOT AVAILABLE                                                           
 IRRITANCY (DRAIZE TEST RESULTS): NO INFORMATION AVAILABLE                     
 CARCINOGENICITY: NOT LISTED AS A CARCINOGEN                                   
 TERATOGENICITY: NO INFORMATION AVAILABLE                                      
 MUTAGENICITY: NO INFORMATION AVAILABLE                                        
 REPRODUCTIVE EFFECTS: NO INFORMATION AVAILABLE                                
 SENSITIZATION TO PRODUCT: NO INFORMATION AVAILABLE                            
 TARGET ORGANS: NONE IDENTIFIED                                                
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                     SECTION XII DISPOSAL CONSIDERATIONS                       
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 EPA WASTE NUMBER(S): MATERIAL DOES NOT HAVE AN EPA WASTE NUMBER AND IS NOT A  
 LISTED WASTE, HOWEVER CONSULTATION WITH A PERMITTED WASTE DISPOSAL SITE (TSD) 
 SHOULD BE ACCOMPLISHED.                                                       
 ALWAYS CONTACT A PERMITTED WASTE DIPOSER (TSD) TO ASSURE COMPLIANCE WITH ALL  
 CURRENT LOCAL, STATE AND FEDERAL REGULATIONS                                  
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                     SECTION XIII TRANSPORT INFORMATION                        
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 DOT SHIPPING NAME: NOT REGULATED                                              
 DOT NUMBER (UN): NOT REGULATED                                                
 PACKING GROUP: NOT REGULATED                                                  
 HAZARD CLASS: NOT REGULATED                                                   
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                    SECTION XIV REGULATORY INFORMATION                         
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 TSCA INVENTORY (YES/NO): YES, THIS MATERIAL IS A MIXTURE. THE CAS NUMBERS OF  
 ALL COMPONENTS ARE LISTED ON THE TSCA INVENTORY.                              
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 COMPONENT         SARA EHS (302)      SARA EHS TPQ (LBS)      CERCLA RQ (LBS) 
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 SODIUM CARBONATE          -                    -                      -       
                                                                               
                                                                               
 (REFER TO LAST PAGE FOR DISCLAIMER)                 34170-133   PAGE:    4    
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
 SODIUM BICARBONATE        -                    -                      -       
 PATENT BLUE A             -                    -                      -       
 WATER                     -                    -                      -       
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 COMPONENT         OSHA FLOOR LIST       SARA 313       DEMINIMIS (SARA 313)(%)
                                                                               
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 SODIUM CARBONATE          -                  -                      -         
 SODIUM BICARBONATE        -                  -                      -         
 PATENT BLUE A             -                  -                      -         
 WATER                     -                  -                      -         
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                       SECTION XV OTHER INFORMATION                            
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                         NFPA HAZARD RATINGS (0-4)                             
                                                                               
 HEALTH: 0                    FLAMMABILITY: 0                  REACTIVITY: 0   
                                                                               
          NFPA SPECIAL WARNINGS: NONE                                          
          PREPARATION DATE: AUGUST 24, 1993                                    
          REVISION HISTORY: AUGUST 24, 1993; APRIL 5, 1994; MAY 5, 1994;       
                            JUNE 10, 1994; JULY 8, 1994: JULY 22, 1996         
          COMMENTS: NONE                                                       
          PREPARED BY: TECHNICAL AFFAIRS DEPARTMENT, BDH INC.,                 
                       TORONTO, ONTARIO, CANADA                                
                       (416) 255-8521                                          
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
                                                                               
 THE STATEMENTS CONTAINED HEREIN ARE OFFERED FOR INFORMATIONAL PURPOSES ONLY   
 AND ARE BASED UPON TECHNICAL DATA THAT BDH INC BELIEVES TO BE ACCURATE.       
 IT IS INTENDED FOR USE ONLY BY PERSONS HAVING THE NECESSARY TECHNICAL SKILLS  
 AND AT THEIR OWN DISCRETION AND RISK. SINCE CONDITIONS AND MANNER OF USE ARE  
 OUTSIDE OUR CONTROL, WE MAKE NO WARRANTY,EXPRESS OR IMPLIED OF                
 MERCHANTABILITY,FITNESS OR OTHERWISE.                                         
                                                                               
 COPYRIGHT BDH, 1997                               34170-133   PAGE:    5