v Case Study Results: Using a spectrophotometer in the field makes paint matching for graffiti removal more efficient. Instead of chipping a paint sample to take to the paint supplier or warehouse, now contractors can take a spectral reading of the background or tar- get color. This reduces the paint matching process time from 3-4 days to next day and improves the quality of paint matching. Solution: For the past decade, the City and its contractors have been using the X-Rite SP-52 handheld spectrophotometer to match background paint. The City is now in the process of upgrading those to a newer handheld spectrophotometer, the X-Rite Ci61. Challenge: Cleaning up graffiti is a never-ending chal - lenge in the City of Los Angeles. The City removed more than 37

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