In organizations rather than sending potential employees (or employees chosen for random testing) to a clinical laboratory, some employers have begun performing their own on-site drug testing. Benefits of on-site drug testing include cost, convenience and accuracy.

Starting from the second quarter in 2007, there is significant growth in the number of home drug testing kits sold. There are many types of drug testing kits available in the market. Those are helpful for drug trusting at working environment also to use at home.

· Urine Drug Testing Kits: The cost of urine drug testing kits is lower and results are instant. These are easy to store with long life. But these can be easily adulterated.

· Saliva Drug Testing Kits: Saliva (Oral) drug test kits are very donor friendly, non-invasive, harder to adulterate and yield fast results.

· Hair Drug Testing Kits: Hair Drug Testing kits have very long drug detection period of 90 days and difficult to adulterate. However, it needs a lab to generate results.

· Sweat (Spray) Drug Testing Kits: Spray (Sweat) drug test kits are non-invasive and donor friendly. It is very easy to collect the specimen and no bathroom is needed for taking the specimen. The disadvantage is that they are open to contamination. In addition, price per each test is comparative higher.

At work place, drug testing is usually a three-step process using an initial screening test, which is then confirmed by a more sensitive technology, and then a physician reviews the final results.

Using some drug testing kits is as easy as it can be taken at home with a simple kit for that. Drug testing kits are all state-of-the-art, almost completely accurate (95 to 98%) and we can find that they are so simple and easy to use. Just the difference between one red line and two – one line means a positive reading, two lines means it’s negative. That is how easy it is to use. In addition, the results are almost instantaneous.