Mike Clark, Drug Test ExpertMike Clark has a bachelor of science degree in business and is continuing his education in the fields of business and drug testing. He is a certified drug test collector and trainer. Mr. Clark is currently the president of Nationwide Testing Association Inc. How did you initially get into the field of drug testing? Can a drug test detect the quantity of drugs in a person's system, or does it simply indicate whether drugs are present or not? What is the most effective method of drug testing (i.e. urine, hair testing, etc.)? In regard to workplace drug testing, what types of businesses and companies typically require their employees to get drug tested? What kind of training is necessary to analyze a drug test? How can a consumer determine whether or not a drug testing laboratory is credible? Are there any indicators or labels of certification that would help them in choosing a reliable company? To find a drug test, consult our Drug Test Directory. To learn more about drug testing, read our Drug Test Guide. |
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