Fault Tree Analysis Universal Facemask Adapter Nicole Burns Mike Callahan LaDahvia Flournoy Gabrielle Ramus April 15, 2006

Adapter can not withstand pressure or stress Manufacturing Error Mechanical Failure Human Error Hazards Improper Handling A Adhesive Not sticky Manufacturing Error B Wrong Size Adapter does not fit face C

Material Failure Improper Disposal User Error Contamination A Machine does not Close package Improper Packaging Inspector Error Pores Too small Pores too large Manufacturing Error Material Failure B Prior Contamination

Adhesive is not hypoallergenic Manufacturing Error Improper Packaging/ Labeling C Allergic Reaction User Disregard Of Labeling User Error