The Chromatographic Services Department conducts residue analysis of pesticides and related organic pollutants in fresh produce, raw food materials and environmental samples; using validated multi-residue and target compound specific methods. The final analyses are done by gas or liquid chromatography with different modes of detection including mass-selective detection (MS). The Laboratory and Facility are SANS/ISO 17025: 2017 (SANAS CAB number: T0270) accredited and OECD Principles of GLP compliant for residue decline studies (SANAS CAB number: G0002).