95 % OF JOBS DRUG TEST NOW.MOST OF THEM USE THE CUP WITH INDICATOR ATTACHED OR THE PEE STICK.WITH THESE TYPES THERE ARE TEMPORARY WAYS TO TEST NEGATIVE. THE BEST AND MOST TRUSTWORTHY TO ME IS TO CARRY A SMALL BOTTLE OF URINE WITH YOU.I CANT IMAGINE LOWES HAVING SOMEONE WATCHING YOU PEE TO MAKE SURE OF NON TAMPERING.IT WILL BE DIFFICULT TO KEEP IT WARM , THEY DO CHECK TEMP WITH THE CUP.WOMEN CAN STICK IT UNDER A BOOB TO KEEP WARM BUT A MALE.......WELL I DONT KNOW..ILL LEAVE THAT UP TO YOU. ALSO YOU CAN EXPERIMENT WITH UNCLEAN URINE BY GENTLY HEATING, CHECKING TEMP,AND SEE HOW LONG IT TAKES TO COOL.I PASSED MY FIRST DRUG TEST BY USEING SOMEONES URINE AND A MICROWAVE. I ALSO PASSED A DRUG TEST BY DRINKING ALOT OF WATER, HOWEVER IT IS STANDARD PRACTICE TO MAKE YOU WAIT 30 MIN BEFORE TESTING YOU....SO IF YOU CAN HOLD IT......YOUR HOME FREE.THERE IS ONE BIG PROBLEM WITH ALL OF THIS.......IF YOU GET HURT ON THE JOB,THEY WILL TEST YOU AND YOU ARE SCREWED!!!!!!!!!!!! I WAS A HEAVY WEED SMOKER FOR 13 OR SO YEARS AND QUIT 4 YEARS AGO BECAUSE I NEEDED A JOB....WISH I HAD BETTER NEWS FOR YOU. PS. IF YOU USE THE DRINK ALOT OF WATER METHOD PEE SEVERAL TIMES AT HOME AND KEEP DRINKING.....I ONCE HEARD OF WATER TOXIFICATION ....BUT I DONT KNOW HOW YOU COULD DRINK TO MUCH WATER .