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https://energycontrol-international.org/drug-testing-service...

You can get quantitative GC/MS tests in addition to fentanyl / nitazene test strips.




If your sample is cross contaminated with fentanyl e.g. from a scale there is a chance the portion of the sample you sent for testing doesn’t have any fentanyl. These aren’t homogeneously mixed substances its someone loading a dime bag in a bedroom.




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