7 THC Urine Test Cups Compared on Cutoff, Price, and Read Time
A sealed cup solves problems a bare strip does not. The donor voids into the cup, the lid closes, the panel reads through the wall, and nobody handles an open specimen. Almost every multi-panel cup on the US market screens THC at 50 ng/mL — the federal workplace screening threshold — so the real differences […]
7 THC Urine Test Cups Compared on Cutoff, Price, and Read Time Read More »









