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The complexity of group fire scene examinations can be daunting with a lot of investigators jockeying for control, but Editor Jack Sanderson and Robert K. Toth give you some tips for overcoming the challenge.

NFPA 921: Low burn
Low burn, an indicator some fire investigators still use – and often abuse – is not proof of an incendiary fire, says authors of NFPA 921. Find out how fall down and other factors can contribute to low burn.

Special Report: Cellulose insulation tests
Having evaluated fires where investigators suspected cellulose insulation was the first fuel ignited, Fire Findings Staff Engineer, Nathan P. Dwyer, devised tests that would imitate the aging process of cellulose to see if it affected the ignition properties of present-day cellulose. Find out what he discovered.

How it Works: Capillary tube thermostat

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