Split-sample collections require only 45 ml (30 ml for sample A, 15 ml for sample B). 2 ounces of QF will be more than enough.
Burnt Toast Reviewed by Burnt Toast on . Dilute 1st attempt I recently took a pre-employment drug test at LabCorp using the dilution method and the results came back as 'Dilute.' I spoke with HR and they said just come in on Moday, get another form, go back to LabCorp and take another test. So today I went out and bought QF and plan on using that for my upcoming test. I just have a two questions: 1. The test requires a split-specimen so I'm not sure if the 2oz. is going to be enough. Would there be any problems if I added just enought of my own Rating: 5