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At present, there are ten categories for full coveralls and two categories for Partial Body Equipment. These are as follows:
Type 1 & Type 1 Emergency Team (ET)
- gas tight coveralls with SCBA worn inside suit
- gas tight coveralls with SCBA worn outside suit
- gas tight coveralls with external air supply
Type 2
- non-gas tight coveralls with breathable air
Type 3,Type 3 ET & Type 3 reusable
- chemical suits with liquid tight connections
Type 4 & Type 4 reusable
- chemical suits with spray tight connections
Type 5
- coveralls with particle tight connections
Type 6
- coveralls with splash tight connections
Partial Body & Partial Body reusable
- garments providing chemical protection to parts of the body
The suits in these 10 categories must be subjected to the following performance characteristics:
- performance of the fabric
- sizing of the garment
- quality of manufacture
- whole suit performance
For each category there is a written standard to specify documentation, design criteria, performance criteria, and test methods.
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