How to Implement an Effective and Compliant Procedure for Determining Detection and Quantitation Limits

Synopsis

The class reviews materials and techniques that laboratories, data users and assessors can use to successfully address the challenges of complying with the 2016 TNI Standard, and the 2017 EPA Method Detection Limit (MDL) procedure while implementing effective and scientifically sound practices for measuring sensitivity in environmental analysis.

Establishing and maintaining a practical approach for the TNI requirements for LOD/LOQ is one of the most confusing and complicated challenges for laboratory management. A good deal of the confusion centers on what is needed, "how does a small laboratory manage the process, and how do I reconcile this with the requirements of EPA's method detection limit.

The class describes how to apply the concepts method detection and quantitation to establishing laboratory practices that are meaningful, scientifically based and compliant with the TNI accreditation requirements. The presenter will focus on practical definition and use of these concepts, review of current EPA requirements, the 2016 TNI standard, actual real-life options and considerations and suggested processes for evaluating sensitivity and reporting systems.

Learning Objectives

  • Understand the basic procedure for calculating an MDL according to 40 CFR Part 136.
  • Understand the basic requirements of the 2016 TNI Standard for LOD and LOQ.
  • Understand the key differences between the EPA MDL and the TNI LOD.
  • Understand how to analytically verify the LOQ and calculate a MDL/LOD.
  •  Understand how to periodically reverify the LOQ and recalculate the MDL/LOD
  • Be able to assess laboratories compliance with both the EPA procedure and TNI requirements.

Audience

Quality Managers, Technical Managers, Laboratory Managers, Laboratory Assessors

Digital Badges Associated with this Course

Quality Control Specialist (Chemistry)


Fees

$55 for TNI members
$90 for non members

Group rates are available: Each purchased training course is to be viewed by only one student. If you would like multiple viewers, separate purchases must be made. A group rate of $300 for TNI members or $510 for non-members is available for groups of 6-10 students at a single location.

Certificates: A Certificate of Attendance (CoA) is provided for $20 if ordered. A Certificate of Completion (CoC) may be purchased for an additional $30. A passing score of at least 70% must be received on the test in order to receive CEUs and a CoC. Scores of less than 70% will be issued a Certificate of Attendance. For a CoA you will not need to take the test, and you will not receive CEUs. See FAQs for additional information.






Start Date

10/27/2026 11:00 AM Eastern

Length

2 hours

CEUs

0.2

Presented By:

Jerry Parr

Jerry Parr is the Principal Scientist with Catalyst Information Resources, a company focused on providing current relevant information on environmental laboratory issues. He also serves as the Executive Director for The NELAC Institute, serves on the Advisory Board for the Environmental Laboratory Washington Report, and is the conference organizer for the National Environmental Monitoring Conference. He has a BS in Chemistry from the University of Texas at Austin and has 40 years of experience in environmental analytical chemistry.