Consumer Product Safety Requirements for Children’s Products
The Consumer Products Safety Improvement Act (CPSIA) was voted into law in 2008. The CPSIA includes provisions for addressing lead levels, phthalates, toy safety, and…
Reporting Measurement Uncertainty
Many are familiar with the saying, “Measure twice, cut once,” which stresses the importance of being diligent when performing a measurement to ensure its accuracy….
Project 25 Conformity Assessment Program (P25 CAP) for Testing Laboratories
What is P25 CAP? The Project 25 Compliance Assessment Program (P25 CAP) ensures interoperability among the radio communications equipment used by first responders. Developed by…
Reference Material (RM) vs Certified Reference Material (CRM)
ISO/IEC 17025 accredited laboratories use Reference Materials, or RMs, and Certified Reference Materials, or CRMs, in a variety of ways. RMs and CRMs can be…
What is Laboratory Accreditation?
Laboratory Accreditation Meaning Laboratory accreditation is an attestation of the laboratory’s competence to perform measurements based on a defined scope of accreditation. For a broader…
ANAB TR 2501 Requirements for Laboratory Accreditation
Technical requirements (TR) for specific programs are defined by ANAB to further outline additional requirements for the activities performed by laboratories within those programs. Technical…
ANSI/ASSP Z9.5-2022: Laboratory Ventilation
An American National Standard, ANSI/ASSP Z9.5-2022, focuses on laboratory ventilation. Why Do We Ventilate Laboratories? Air enters your body through your mouth or nostrils and…
Handling Hazardous Chemicals In a Lab
In laboratory work, handling chemicals is a necessary component of nearly every process. Chemicals and hazardous materials are utilized in laboratory research and testing within…
ASTM D4840: Sample Chain-of-Custody Procedures Standard
What is Sample Chain-of-Custody? During criminal investigations, laboratory testing often is necessary to attain data from evidence. Proper sample chain-of-custody procedures instill integrity and nurture…