The global laboratory proficiency testing market size was estimated at USD 1.5 billion in 2024 and is projected to reach USD 2.13 billion by 2030, growing at a CAGR of 6.43% from 2025 to 2030.  This growth is fueled by several key sectors, including water testing, cannabis testing, and food safety, which are driving demand for proficiency testing services. A major factor...