definitions
melting of conductors and conducting surfaces as a result of electrical arcing.
arc melting
has been deleted, even through TIA, and replaced with "hypotheses."
more than one hypothesis
fire effects data falls under this step of the scientific method
collect data
Chapter that was deleted
20
deleted the part that says "the effect may also appear where soot has failed to be deposited because of high surface temperatures"
clean burn
chapter rewritten to employ the scientific method
chapter 6
identify fire patterns falls under this step of the scientific method
analyze data
this section replaced the chapter that was deleted
19.8- incident classification
The term is used as a technical description and draws no negate inference respecting to commercial branding or advertising materials using other descriptors
IGL-ignitable liquid canine
the only version to show the changes made to the document
discoloration, deformation, deposition, and mass loss are classified as this.
fire effects categories
one of the alternate sources you can use to classify your fires
901, NFIRS, BATS, NIBRS
has been deleted by being replaced or subsumed into "upper layer"
ceiling layer
921 is not longer available in this format
digital, pdf
alloying falls under this category of fire effect
deformation
The number of cause classifications listed in 901 and NFIRS
6
the border defining the differences in fire effects on materials between the affected area and adjacent, less affected areas
Lines of demarcation
denotes a "change" in the text following it.
A
The relevant data that should be collected before analyzing and assigning meaning to observed fire effects and patterns includes any of 7 seven categories
material affected. magnitude of effect, gradient of effect, shape, size, location/geometry. orientation, circumstantial context
Some attorneys are working on defenses that state that the new 921 has taken away this ability from fire investigators
fire classification