?Prevent any harmful effect that may occur to the employees.

?To prevent the harms this could happen to other employees due to the person consuming the drug.

?In the view of corporate social responsibility, most of the corporations are conducting drug testing.

Types of corporate Drug testing: There are different types of drug tests available that are been done at various levels and various circumstances. They are

Pre-Employment Drug testing: The most common type of drug test that can be found at most of the corporations is the Pre-employment drug testing. This type of test is been done to the person at the time of recruitment. Most employers use the standard five-panel test that detects the drugs like marijuana, cocaine, PCP, opiates and amphetamines.

Post Accident Drug Testing: This type of drug testing is conducted after any accident occurs to the employee during the job timings. This post accident drug test is not meant to fire the employee but to protect the company from the liability in the event that the individual is under the influence of the drug that caused the accident. If the drug content is detected in the body, then the company is not obligated to pay for the employee or it is neither obligated to any sort of cases which may effect the company's goodwill.

Random drug testing: Random drug testing is the procedure where the employees do not know when the tests would be conducted. The frequent and unpredictable random drug testing acts as a deterrent on the employees as they will think twice before taking drugs.

Return to duty/ Follow-up testing: If any employee could not pass the drug test then that person should once again undergo the test with in forty-five days from the test. In that test, the person should get a clearance from the EAP and then he can rejoin the job. After joining, the person will be again tested unannounced and periodically the employee will be tested for six times in the next one year.

Request to retest: The person who has been tested positive for the drugs can apply for the retest, but he should apply only after seventy-two hours after the previous test is been done.

?Reasonable Suspicion Test: If the employee's behavior or any other observational characters suggests that the person may be impaired due to drugs or alcohol, then both the drug test and the alcohol test would be conducted. If an employee is identified for reasonable suspicion testing, he will be suspended but when the results for the test are negative then he will be again taken in the job and will be paid for the time he has been suspended.