USchemLab a Cannabis Testing Laboratory. Our analytical laboratory tests Marijuana samples for potency, microbial, heavy metals, terpenes, residual solvent and pesticides in order to ensure the community access to safe consumable products such as edibles, oils, concentrates, flowers and more. Through carefully developed analytical testing methods, similar to tests utilized by the FDA and USDA, USChemLab analyzes weed products to ensure a safe standard of medicines and products for the medical cannabis community.