Cannabis collects heavy metals. It absorbs heavy metals from the soil, water and air. ICPMS (Inductively Coupled Plasma Mass Spectrometry) testing is the gold standard. These toxic elements can be passed from the plant to the consumer and pose serious health risks. Screening for heavy metals ensures the end user will have a safe and confident product. ACS can detect heavy metals at a very low level of concentration, ensuring safety to the end user.