| Schedule | 13F | 
    
        | Approval Number | 0645 | 
    
        | Manufacturer | CSE Corp. | 
    
        | Approval Date | 7/22/2011 | 
    
        | Product Line | Model SRLD 60 Minute Self Contained Self Rescuer | 
    
        | For Protection Against |  | 
    
        | Service Time (minutes) | 60 | 
    
        | Facepiece Type | Mouthpiece | 
    
        | Is the respirator powered? | Non-powered | 
    
        | Number of Filters |  | 
    
        | Is the the filter replaceable? | No | 
    
        | Filter Location |  | 
    
        | Cartridge or Canister |  | 
    
        | Number of cartridge or canisters |  | 
    
        | Location of cartridge or canisters |  | 
    
        | Is the cartridge or canister replacable? | No | 
    
        | Self-contained breathing apparatus (SCBA) Type | Closed Circuit | 
    
        | Supplied air respirator (SAR) Type |  | 
    
        | Self-contained breathing apparatus (SCBA) Use | Escape Only | 
    
        | Airflow | Demand | 
    
        | Breathing Gas | Chemical Oxygen | 
    
        | Percentage of Oxygen in Breathing Gas |  | 
    
        | Regulator Location | NA | 
    
        | Low Temperature (Celsius) | 0 | 
    
        | Low Temperature (Fahrenheit) | 32 | 
    
        | Exhalation Valve? | No | 
    
        | Self Rescuer? | Yes | 
   
    
        | Is the approval obsolete? | No | 
    
        | Private Label |  | 
    
        | Model |  | 
    
        | Rated Duration |  | 
    
        | Cylinder pounds per square inch gauge (PSIG) |  | 
    
        | Chemical, biological, radiological and nuclear (CBRN) Approval Date |  | 
    
        | Comments |  |