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Understanding Data, Data Review and Data Management for Chemical Testing

July 12, 2021: 11:00 - 2:00 pm EDT
July 13, 2021: 11:00 - 2:00 pm EDT
July 14, 2021: 11:00 - 1:00 pm EDT


Course Description:

The objective of the course is to present techniques for data handling, review, and evaluation/verification.  The course is for laboratory personnel applying the TNI Standard in chemistry laboratories.  The fundamental concepts include review of calibration curve calculations, maintaining data records, reporting results to clients, applying internal data review procedures, understanding the TNI requirements, and evaluating quality control results in chemistry laboratories.  This course will identify the basic QC measures or concepts, discuss how each should be prepared and the rationale behind the frequency of analysis, how the associated samples results can be evaluated based on QC results and the significance and impact of the results on the related sample set.

The course is based on a combination of essential quality control concepts outlined in TNI Environmental Laboratory Standard Volume 1 Modules 2 and EPA 40 CFR Part 136.7. Examples from various technical disciplines (radiochemistry, chemistry, etc.) will be used to illustrate how the concept is used in different situations.

Test methods specify certain QC measures that must be performed. In some cases, there is little information on how to evaluate the results, and there is rarely any published justification for performing the measure. Many analysts perform the QC measures because “the method or the TNI Standard requires it”, but do not understand the purpose of the measurement, or how the results help to characterize the quality of the related sample set. Data associated with “Bad” or ‘Unacceptable” QC data is traditionally thought to be unusable and subject to rejection by the data user. Understanding the underlying principles of QC measures help laboratories and clients make informed decisions from sample results.

Intended Audience:

This course is designed for analysts, laboratory quality staff, laboratory technical directors, data reviewers, and data users.


$180 per person for TNI members
$195 per person for TNI non-members
$800 per group of 5-10 students at same location for TNI members
$875 per group of 5-10 students at same location for TNI non-members


No certificates are automatically provided with this training. A Certificate of Completion (CoC) or Certificate of Attendance (CoA) may be purchased for $30 per person during registration or webcast purchase. A passing score of at least 70% must be received on the exam in order to receive CEUs and a CoC. Scores of less than 70% will receive a Certificate of Attendance. To receive your certificate, contact Suzanne Rachmaninoff at with date of purchase and date of training completion. See FAQs for additional information.


Start Date:
Monday 12th July 2021, 11:00am EDT

8 hours

CEUs: 0.8

Presented By:

Silky and John Labie

About the Presenter:
The principals of ELCAT, LLC collectively have over 70 years of experience in laboratory and field quality management. ELCAT, LLC provides extensive training of laboratory and field personnel in sampling techniques, quality management and training that addresses the requirements of the National Environmental Laboratory Accreditation Program (NELAP). It performs readiness audits for laboratories who desire to improve their quality system for the purposes of NELAP accreditation. ELCAT presents training and presentations on quality-related topics such as method performance, data integrity, corrective and preventive actions, root-cause analysis, data usability, and the role of quality managers. The company is used exclusively by the University of Florida Center for Training, Research & Education for Environmental Occupations (TREEO) for all off-site training of field personnel. It is regularly asked to provide presentations at the Florida Society of Environmental Analysts (FSEA) meetings. ELCAT, LLC has also provided training and presentations for New York City, the State of Virginia, and The NELAC Institute (TNI).