Valley Toxicology Service Inc. is a toxicology laboratory that specializes in the detection and identification of alcohol and illegal substances in blood, urine and solid dose form. The company is a supplier of the Valtox Drug Screening Kits (mini or complete kits available) that find utility all over the world. It provides screens for marijuana, hashish, amphetamines, Benzedrine, Dexedrine, opium alkaloids and opium, among others. Valley Toxicology Service Inc. offers the Home Urine Collection Kit to detect the presence of drugs and alcohol in a persons body system.