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To screen with a dipstick or panel (enzyme immunoassay or other at-home type test) a very small amount is needed (like 1-2mL). They usually ask for something like 30mL or more. If they want to send it to a lab for a more through check (with a GC/MS that will identify the concentrations of all the drugs), which is almost always done for a positive test (especially if its done by a government agency), they will usually ask for 60mL. The cup is usually 120mL or so, they'll want it half full or more. Even many drug programs use labs now, so count on having 100mL to be safe. (30mL = about one fluid ounce).

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15y ago
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14y ago

only half a cup. why, did you take drugs and have to take a test to see if you did drugs?

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11y ago

45 Ml's or about 2 Ounces

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13y ago

1-2 ounces

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14y ago

30 ml

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