Sick of these ghost faint lines/ need to vent

[Burnt Toast]

People have said that "even if a tech misinterpreted a faint line for a positive and sent to GS/MS for further review...it will still come back negative". How can you say this when these assays are at a cutoff level of 50ng/ml and the GS/MS is @ 15/20/25.

Very easy. Especially if you understand how the two types of testing devices actually work.

The 50 ng limit on the assay is functionally equivalent to the 15 ng limit on the GC/MS. Heres why:
THC enters the body in its ingested form and comes out the body as 31 different metabolite concentrations, the most prevalent metabolite being THC-COOH.
The assay recognizes the composition of all 31 metabolite concentrations.
The GC/MS recognizes only one metabolite concentration, THC-COOH.