| Determining if a person is under the influence of | | | | negative, then the result is declared to be |
| any drug is considered very important by the | | | | negative, and if the result of the first test turns |
| Employers, Law Enforcement Officers, Sports | | | | out to be positive, then the second test of |
| Officials and School Authorities just to make the | | | | confirmation follows. This test is conducted using |
| surroundings healthy and to help people lead a | | | | the other part of the sample using a more |
| healthy life. Monitoring behavioral changes in an | | | | complicated and more costly technique known as |
| individual may or may not confirm the use of | | | | gas chromatography/mass spectrometry (GC |
| drugs. It may be other factors too. So Drug | | | | MS) or thin-layer chromatography (TLC). And if |
| testing helps to determine if such abnormal | | | | this test too displays a positive result then the |
| behavior is due to intake of drugs or not. | | | | person undergoing the test is declared to be |
| Visible symptoms like a general lack of interest, a | | | | under the influence of drugs. And on the other |
| fall in grades and abandonment from family | | | | hand if this test shows negative, the previous |
| members if notice in youngsters then it can be | | | | test is deemed incorrect. |
| concluded that they are victims of drug abuse. | | | | The process of giving a drug test should be done |
| Mood swings to a feeling of low self-esteem also | | | | with care. Ensure that sample is sample is safe |
| says that the person is using drugs. Change in | | | | from alteration. Clean containers must be used to |
| style of dressing or taste in music and repeated | | | | collect the sample. The sample must be checked |
| absenteeism from school and are also some of | | | | immediately for acidity and temperature. Besides |
| the visible symptoms of drug abuse. Behavioral | | | | these care should be taken that the containers |
| changes that are found among the employees | | | | should be labeled in the presence of witness and |
| using drugs at a work place are clearly visible | | | | furthermore, the containers should be sealed |
| through a decrease in their productivity. | | | | properly to prevent alteration. Watch out that the |
| Drug testing procedure follows two-step process. | | | | test should not be performed by a layperson and |
| For instance say a urine sample is taken from the | | | | look out that the samples should be tested by |
| individual and it is divided in two parts. One part of | | | | licensed labs. All these factors are very important |
| the sample collected is tested for screening using | | | | because the finally the results depends on all |
| immunoassay, which is a relatively simple, | | | | these factors. So take care of these factors to |
| inexpensive, yet highly accurate test. The second | | | | get the accurate results. |
| step depends on the first step. If the first test is | | | | |