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12-08-2007, 09:44 PM #1
OPJunior Member
Sample validity even for pre-employment test?
Does anyone know, if I am getting a pre-employment UA, will they test the validity of my sample in regards to ph, creatine, etc? I know if someone is on probation generally speaking their sample is held under a microscope, but does anyone know if they will do an adulterant test for a pre-employment sample?
Thanks!killercam Reviewed by killercam on . Sample validity even for pre-employment test? Does anyone know, if I am getting a pre-employment UA, will they test the validity of my sample in regards to ph, creatine, etc? I know if someone is on probation generally speaking their sample is held under a microscope, but does anyone know if they will do an adulterant test for a pre-employment sample? Thanks! Rating: 5
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12-08-2007, 09:57 PM #2
Senior Member
Sample validity even for pre-employment test?
A standard UA will be checked for basic adulterants.
If you can sub use that if not read the dillution sticky
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12-08-2007, 10:01 PM #3
Member
Sample validity even for pre-employment test?
what do they check to make sure the urine is valid again? i know creatine and color but what is ph?
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12-08-2007, 10:35 PM #4
OPJunior Member
Sample validity even for pre-employment test?
ph tests to see if a sample is too acidic or too basic. A highly diluted sample will be outside of the acceptable range.
Killerweed, in your opinion, if I take no B-12 before my test, and my pee has some natural yellow in it, will this generally be an acceptable sample, meaning not too dilute. I have been doing some experimenting today with dilution, and I am trying to get this down to a science.
When people fail for being too dilute, can we assume their pee is completely clear (taking into account they haven't taken any B-12)?
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12-09-2007, 02:53 PM #5
Senior Member
Sample validity even for pre-employment test?
Under DHHS regulations, abnormal pH readings indicate adulteration, not dilution. DHHS dictates that low creatinine and specific gravity readings indicate dilution.
Originally Posted by killercam
To view the Board Rules: http://boards.cannabis.com/introduce...ard-rules.html
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12-09-2007, 04:54 PM #6
Member
Sample validity even for pre-employment test?
From what I've read on here, if your going to a lab, the color isn't *that* important. It seems to be more important with the home tests or PO tests. Not saying you shouldn't do it, but from what I've read all it does is change the color. In most lab tests, it will still get checked for creatinine clearance and specific gravity regardless. (So your urine could be clear as long as those levels are right and its a pass, or your vitamin yellow and your creatineine and sg is off causing a fail/dilute.) I'm pretty sure i have that right, I'm quoting off FBR's many posts.
Originally Posted by killercam
I guess that answers your question is that you can't assume its diluted on color alone because it could still have the proper specific gravity and creatinine clearance. That can only be proven with a labtest. I could be wrong, but I'm pretty sure I'm correct on that.
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12-09-2007, 05:38 PM #7
Senior Member
Sample validity even for pre-employment test?
^^^
Yes TP82007, that's correct. Most lab tests use specific gravity, creatinine clearance, and pH to check for validity. The first 2 are for dilution and pH for adulterants or old urine that might have been substituted. It can be clear as bottled water and still pass these tests. Color is only important as long as it isn't black or purple or red, etc. If you are getting an instant test from a PO and diluting, it is wise in this case to add the vitamin B-2 to your process.
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12-09-2007, 07:06 PM #8
OPJunior Member
Sample validity even for pre-employment test?
I'm not looking to completely dilute my sample because I am 99% sure I can pass the test straight up. Does anyone have any suggestions in regards to how much I should drink before the test, to make sure I am giving them a valid sample, but a sample that isn't highly concentrated?
Yesterday I drank 64oz of a water gatorade mixture, and on my 5th piss, I did an adulterant test. The test indicated everything was fine, however, my creatine levels were very close to being adnormal and might have even been considered unacceptable in a lab.
Any suggestions on diluting a little but still giving a good sample? Thanks.
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12-09-2007, 08:43 PM #9
Senior Member
Sample validity even for pre-employment test?
Don't drink more than about 48 ounces of liquid preferably gatorade 2 or 3 hours before the test.I usually drink cranberry juice and green tea.
I know on my UA's the urine is pretty pale yellow hardly decernable sometimes but the drug tech has never said anything. I know there's a way to get your creatnine levels up with red meat but you have to do it a couple days before the test for it to have an effect.I eat red meat all the time so I,ve never bothered with it. Also I believe you can get creatnine tabs from health food stores.
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12-09-2007, 09:04 PM #10
Member
Sample validity even for pre-employment test?
What test was that that gave you creatinine levels? Also how did you do an adulterant test? A pool pH kit?
Originally Posted by killercam
I just didn't think this was possible without the really expensive equipment that most people don't have lying around. Maybe I've missed something though.
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