Nitrogen Dioxide is trapped on glass fiber filter impregnated with triethanolamine.  The resulting nitrite ions are quantitated by colorimetry or ion chromatography.

This badge does not collect Nitric Oxide.

This badge DOES collect Sulfur Dioxide.  The sampling rate of 16.7 mL/min has been lab verified.  However this chemical is not part of AT Labs accreditation yet.   Other laboratories can use and analyze this badge.

Tech Doc


Before sampling, ship and store at room temperature.

After sampling, store and ship at room temperature.  Ship for samples to arrive at the laboratory within 28 days of sampling.

Use For

8 hour/TWA sampling.

Note: Reporting limit for a 15 minute/STEL sample is 1 ppm.

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Order below or use our quick order form for the entire list of products online.  If you are unsure if you want to pay for the analysis at the same time as the badge, learn more about prepaid analysis.  Products with snowflakes next to their item number have shipping restrictions.

See our Terms and Conditions in the shopping cart.  Orders are reviewed by our customer service staff before a confirmation is sent with an expectation date of arrival.  So orders placed during non-working hours will not have an email confirmation sent until we return.


Item # Description Quantity Online Price
With Analysis (best deal)
X594AT Nitrogen Dioxide monitors (set of 5) with analysis prepaid for each
W594AT Nitrogen Dioxide monitor (single) with analysis prepaid
Analysis sold separately
N594AT Nitrogen Dioxide monitors (set of 10) without analysis