Preliminary Program - Field Conclave - June 16, 2026

Per- and polyfluoroalkyl substances (PFAS) have rapidly transitioned from emerging contaminants to routinely monitored regulated analytes, fundamentally changing how environmental sampling programs…

Per- and polyfluoroalkyl substances (PFAS) are a family of synthetic compounds containing thousands of chemicals formed from carbon (C) chains with fluorine (F) attached to these chains. They have…

This presentation outlines the procedures involved in collecting air samples for analytical purposes. The methods described are designed to ensure accurate and reliable results by following…

Laboratories are required to perform various types of quality control when making measurements. Quality control for sampling and field measurements are not consistently defined. This presentation…

Jackie will be presenting updates to PFAS compliance monitoring requirements and to the Sampling Standard Operating Procedures incorporated into Chapter 62-160, F.A.C. This presentation will include…

Field duplicate samples are widely used as a quality control tool in environmental monitoring programs, commonly evaluated using fixed acceptance criteria such as relative percent difference (RPD).…

Over the years, a number of mistakes, blunders, and other errors on field sampling and field measurements have resulted in unreliable data These errors are repeatable and are not uncommon. This…

Accreditation is a critical milestone for ensuring technical competence, data reliability, and regulatory compliance. Laboratories often struggle with understanding what assessors expect, how to…

The NELAC Institute (TNI) recognizes the critical role accreditation plays across environmental sectors, including laboratory operations as well as field sampling and measurement activities. TNI is…