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How can I prove, other than with a black light, that a stain that shows up on black light is actually urine? I need a chemical proof.
Optional Information: State/Country relating to question: North Carolina Already Tried: Sniffing, no smell where the stains are. The stains showing up with black light are yellowish and the carpet was new before this tenant moved in with 2 dogs. She is protesting that her dogs never peed on the carpet and she deserves her pet deposit back. True there is no smell or visible stain without the black light but I don't want to live with it because it may 'ripen' over time and smell.
You would need to send a sample of the stain to a medical lab.
Experience: Over 25 years experience in general legal matters.
I needed some direction on how to find a lab to do the analysis. When I tried to reply asking that follow up question it was proposed I be charged extra. I was therefore not really able to use your suggestion.
The black light will show body secretions. You do not need to prove the stains are urine to get the deposit for damages. You only need to show that the carpet is stained. You will want to pull back the carpeting, as well, to see if the underlying floor is stained.