Using our industrial hygiene testing services and a Hygiena ATP monitor to determine how clean a surface is, we test three grocery stores, each with three tests; the video shows the middle score of the three. The results confirmed our suspicion about the cleaning efficiency of commercial cleaning services in the San Jose, Oakland, San Francisco Bay Area.
1 through 10 is Acceptable
11 through 30 is a warning sign
Anything above 30 fails the test
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