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 hyper-dilute urine to be safe?

2. Is the lab going to compare my dilute sample with the new specimen?

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Originally Posted by Foltron

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 hyper-dilute urine to be safe?

2. Is the lab going to compare my dilute sample with the new specimen?

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OF is enough according to law, Just tell them as you come out thats all you could go. Tell them you were afraid to drink too much because of the last time results. You can dilute yourself as a back up but thats about it. Thats enough for a split sample. adding your dirty urine defeats the purpose of subbing. If your worried and it's important buy a second bottle but they will dump it anyway.

No to your second question.

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.