Our 594 Nitrogen Dioxide Monitor allows for easy and cost-effective determination of personal exposure to nitrogen dioxide. Nitrogen dioxide is trapped on glass fiber filter impregnated with triethanolamine. The resulting nitrite ions are quantitated by colorimetry or ion chromatography.
This badge is NON-RETURNABLE
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.
This badge collects the following:
- Nitrogen dioxide
- Sulfur dioxide
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. 8-hour TWA sampling. Note: Reporting limit for a 15-minute STEL sample is 0.8 ppm.
Use this badge for 15-minute STEL/Ceiling limit sampling.
Also, use this badge for 24-hour Indoor Air Quality (IAQ) sampling.