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04/06/2022 1:02 pm
When performing tests for oil and grease using an ultra-violet light, the NACE Inspector should be aware that:
- A . Chloride salt may produce a false positive
- B . Synthetic oil or grease may not be identified
- C . Ultra-Violet light may contaminant the surface
- D . Presence of weld spatter may produce a false positive
Suggested Answer: B