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Introducing A-B Comparison Workbook to Maximize Your Comparative Analysis

In environmental monitoring, the ability to compare different sets of data is crucial for identifying trends, assessing interventions, and ensuring compliance with health standards.
Currently available for OmniTrak™ Solution users, the TSI Link™ Report Creator offers multiple workbook such as the A-B Comparison Workbook, that is a comprehensive tool for such analyses, particularly in air quality monitoring.

This guide outlines how to effectively use the A-B Comparison workbook, which includes a variety of worksheets designed to facilitate comparative analyses of different environmental conditions or interventions. These comparisons can be applied in numerous scenarios, such as evaluating the effectiveness of an engineering control before and after its installation, comparing air quality upstream and downstream of a filter, or assessing indoor versus outdoor conditions.

Key Features of the A-B Comparison Workbook

The workbook supports several key environmental measurements, including particulate matter (PM), gas concentrations (like CO2, NO2, and VOCs), and sound levels. Each worksheet is tailored to specific types of analyses:

IAQ Gas – Number Concentration: Useful for indoor air quality impact studies and troubleshooting.

PM – Mass Concentration: Ideal for proactive air quality checks in schools and commercial buildings.

PM – Number Concentration H&S: Ideal for industrial hygiene analysis and studies of working environment adjustments.

PM – Number Concentration IAQ: Ideal for measuring HVAC adjustments, analysis of mobile filter effectiveness or comparing air quality in an empty vs a full space.

Sound – Broadband: Ideal for analysis of community noise, manufacturing sounds studies and impact of engineering adjustments.


Reporting made easy

Customized analysis and reports can be composed in minutes following just few simple steps:

  1. Select a Worksheet: Choose the appropriate worksheet for the data you wish to analyze.
  2. Complete the Cover Sheet
  3. Enter Demographic Information and Test Names
  4. Load Study Data
  5. Analyze Data: Examine target limits, test results, and visual data representations like speedometer charts for PM concentrations and time charts for gas levels.
  6. Complete the Assessment: Add recommendations and conclusions to finalize the report.


The TSI Link™ A-B Comparison Workbook is an invaluable tool for environmental professionals, providing a robust framework for analyzing and comparing air quality data. By leveraging these detailed worksheets, users can gain critical insights, ensure regulatory compliance, and make data-driven decisions to improve environmental health and safety.

Read the guide

Posted on Jul 09 2024 04:47
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