If powder does need another level of screening , it will be done in a way that avoids contamination of the product , and passengers will be made aware of the test , she said . TSA kits will allow testing for explosive powders . Comment: The initial carry-on screening process will not change . Potentially hazardous powders will be mixed with a solution for testing .
TSA kits will allow testing for explosive powders . Comment: The initial carry-on screening process will not change . Potentially hazardous powders will be mixed with a solution for testing .