Motion Picture Condition At-Risk Assessment Guide

Risk Level	Immediate	High	Medium	Low
Acidity	3+	2+	1+	1-
16mm Shrinkage	1.3% +	1% - 1.3%	.7% - 1%	.7%
35mm Shrinkage	1.9% +	1.6% - 1.9%	1.3% - 1.6%	1.3%
Fading		Present
Emulsion Fogging	Present with evidence of layer separation	Present
Ferrotyping	10ft. or longer sections	3 to 10 ft. sections within reel	1 ft. to 3 ft. sections within reel	Evidence of small spots
Silvering Out	10ft. or longer sections	3 to 10 ft. sections within reel	1 ft. to 3 ft. sections within reel	Evidence of small spots
Mold	Large areas with evidence of etching	Large areas with some underlying damage	Large areas easily removed with no underlying damage	Small spots easily removed

Determinations based on factors such as brittleness, crazing, and other conditions will influence the level of risk in addition to above guidelines.

Motion Picture Digital Soundtrack Product Options (Digitization Services Branch)
Motion Picture Digital Product Options (Digitization Services Branch)
Motion Picture Soundtrack Digital Product Options (Digitization Services Branch)
Risk Assessment (Quality Assurance and Quality Control for Film-Based Motion Picture Products)

NARA