HOUSTON--(BUSINESS WIRE)--Eagle Analytical Services, a PCCA-affiliated company, has been granted ISO/IEC 17025 accreditation by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). The accreditation is the single most important standard for calibration and testing laboratories around the world. Laboratories that are accredited to this international standard have demonstrated that they are technically competent and able to produce precise and accurate test and/or calibration data.