1.1 This document defines the terminology used in the field of spill response barriers. Only those terms commonly used or peculiar to this field have been included; no attempt has been made to list all terms used. Where a second term is in common use, "aka" is used to mean "also known as."

1.2 Design, engineering, and performance terms are listed separately:barrier design terminology (1.3), barrier engineering terminology (1.4), and barrier performance terminology (1.5).