laboratory Archives

Reporting Measurement Uncertainty

August 10, 2022January 10, 2023Erin Stepka

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. […]

Firefighters connecting to other emergency workers via radio thanks to P25 CAP laboratory testing.

Project 25 Conformity Assessment Program (P25 CAP) for Testing Laboratories

August 1, 2022January 10, 2023Randy Long, Senior Manager of Accreditation

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 […]

Female scientist pouring chemical into beaker before preparing reference material and certified reference material.

Reference Material (RM) vs Certified Reference Material (CRM)

July 29, 2022January 10, 2023Patrick Selig, Accreditation Manager

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 […]

Quality chemical dropping from pipette into beaker showing the benefits of laboratory accreditation.

What is Laboratory Accreditation?

July 25, 2022January 10, 2023Melanie Ross, Technical Products Developer

Overview of Laboratory Accreditation Laboratory accreditation is an attestation of the laboratory’s competence to perform measurements based on a defined scope of accreditation. Accreditation is […]

Qualified empty calibration and testing laboratory that follows ANAB TR 2501 and ISO/IEC 17025 for accreditation.

ANAB TR 2501 Requirements for Laboratory Accreditation

June 8, 2022January 10, 2023Ryan Fischer, Senior Manager of Accreditation, Calibration

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 […]

Geneticists working in ANSI/ASSP Z9.5-2022 ventilated lab in front of tree filled window.

ANSI/ASSP Z9.5-2022: Laboratory Ventilation

May 23, 2022January 10, 2023Brad Kelechava

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

March 11, 2022March 11, 2022Guest Contributor

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 […]

Dripping water into test tube to test sample through ASTM D4840 sample chain-of-custody procedures.

ASTM D4840: Sample Chain-of-Custody Procedures Standard

February 3, 2022January 11, 2023Brad Kelechava

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 […]

Lab technicians working on statements of conformity to prepare for ISO/IEC 17025 accreditation.

Statements of Conformance

January 12, 2022January 11, 2023Erin Stepka

Conformity assessments create producer and consumer confidence in the marketplace, as products under statements of conformance meet certain design and safety requirements from specific standards. […]

Working late at the lab to ensure the validity of results with ISO/IEC 17025 proficiency testing (PT) help.

Ensuring the Validity of Results in ISO/IEC 17025:2017

July 27, 2021January 17, 2023Keith Klemm, Senior Manager of Accreditation

ISO/IEC 17025:2017, Section 7.7, “Ensuring the validity of results,” is a wonderful tool for laboratories confirming their end data is accurate and reliable. The standard […]