---
title: "Extending Whole-air Monitoring: Simultaneous Cryogen-free Analysis of PAMS Ozone Precursors  Form"
description: Cryogen-free sampling and analysis of the 108 analytes of a combined list of PAMS ozone precursors and TO-15 air toxics in high-humidity environments, in compliance with new Chinese air-monitoring regulations
image: https://appnote.sepscience.com/hubfs/Featured_Applications/Aug_2018/Markes-extending-whole-air-monitoring.png
---

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# Extending Whole-air Monitoring: Simultaneous Cryogen-free Analysis of PAMS Ozone Precursors and TO-15 Air Toxics from Canisters in Accordance with New Chinese Air-monitoring Regulations

![Markes-extending-whole-air-monitoring](https://appnote.sepscience.com/hs-fs/hubfs/Featured_Applications/Aug_2018/Markes-extending-whole-air-monitoring.png?width=300&name=Markes-extending-whole-air-monitoring.png)

## Download your copy...

This application note describes cryogen-free sampling and analysis of the 108 analytes of a combined list of PAMS ozone precursors and TO-15 air toxics in high-humidity environments, in compliance with the detection limit and data-quality requirements of Chinese EPA Method HJ 759 and the Chinese Environmental Air Volatile Organic Compound Monitoring Program.

The use of Markes’ ground-breaking Dry-Focus3 pre-concentration and water management technology results in excellent chromatographic peak shape at 100% humidity, whilst maintaining sample-to-sample cycle times below 60 minutes.

To download your copy of this application note complete the form opposite.

Registrants for this application note are covered by the Eclipse Business Media [Privacy Policy](http://www.sepscience.com/privacy-policy).

Eclipse Business Media Ltd, Regd in England, No. 06513189, Woodview, Bull Lane Industrial Estate, Sudbury, CO10 0FD, United Kingdom, T +44 (0)161 818 7434, [info@sepscience.com](mailto:info@sepscience.com)

 

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