| If you're thinking of employing a drug test, you | | | | found in the fluids of a person's mouth. This kind |
| should be aware of the different kits out there. | | | | of test simply cannot be contaminated because it |
| Here are some pros and cons of various testing | | | | is performed under strict supervision. However, |
| kits, which will enable you to choose the most | | | | the downside is a saliva drug test can only |
| suitable kind.o Urine drug tests and testing kits | | | | determine current use of drugs - not previous. |
| These are the most commonly used tests. | | | | Saliva tests are often preferable because they |
| Results show the presence or absence of specific | | | | are non-invasive and easy to conduct. At least six |
| drugs in urine. If a urine test returns positive, it | | | | types of drugs can be tested this way.o Hair drug |
| does not mean the donor was under the influence | | | | tests and testing kits |
| of drugs at the time but that he or she used | | | | Hair drug testing is one of the most reliable forms |
| them recently. Up to ten drugs at a time can be | | | | of testing available, because hair stores traces of |
| tested with urine samples. | | | | drugs for long periods of time. Through this form |
| There are three forms of urine drug tests, | | | | of testing, one can gain a more complete |
| namely dip form, cassette form and cup form. | | | | knowledge of a subject's drug use history - |
| With dip form, the test is dipped into a urine | | | | reaching as far back as ninety days. However, |
| sample. With cassette form, a urine sample is | | | | current impairment is beyond this test's |
| placed in a cup and is then transferred to the | | | | detection.o Spray drug testing kits |
| testing device via a pipette. A cup form test | | | | Spray drug tests are especially easy and simple |
| allows for the urine to collect and be tested | | | | to conduct. They are also very reliable and difficult |
| simultaneously.o Saliva drug tests and testing kits | | | | to manipulate or contaminate. However, the types |
| A saliva drug test kit detects traces of drugs | | | | of drugs a spray drug test can detect are limited. |