With the intensification of industrialization and urbanization, a series of environmental problems caused by it have attracted increasing attention from the government and the general public. Air pollution, water pollution, and soil pollution greatly compress human living space and affect our quality of life. How to better protect the environment and control pollution, and reproduce the living environment of "blue sky, clear water, and clean soil", is a major issue that currently concerns the national economy and people's livelihood. In order to achieve this goal, the State Council has issued a series of policies and regulations, and the Ministry of Environmental Protection has released relevant testing standards to achieve energy conservation and emission reduction from the source, and to crack down on illegal emissions with heavy handed measures; Increase investment in pollution control, restore the environment and ecology, in order to achieve harmonious development between humans and the environment. From monitoring volatile organic pollutants in the atmosphere to analyzing pesticide residues and polycyclic aromatic hydrocarbons in water and soil, gas chromatography and gas chromatography-mass spectrometry systems play a crucial role in the analysis of organic pollutants in the environment.

This chapter covers the determination of benzene derivatives in ambient air using solid adsorption/thermal desorption gas chromatography (HJ 583-2010)

4. Determination of Benzene Compounds in Environmental Air - Activated Carbon Adsorption/Carbon Disulfide Desorption Gas Chromatography Method (HJ 584-2010)

Determination of Total Hydrocarbons in Environmental Air by Gas Chromatography (HJ 604-2011)

Determination of volatile halogenated hydrocarbons in ambient air by activated carbon adsorption carbon disulfide desorption/gas chromatography method (HJ 645-2013)

Determination of volatile organic compounds in ambient air by adsorption tube sampling thermal desorption/gas chromatography-mass spectrometry (HJ 644-2013)

Determination of volatile organic compounds in ambient air using Suma jar sampling gas chromatography-mass spectrometry (US EPA TO-15)

Determination of volatile organic compounds in ambient air using adsorption tube sampling gas chromatography-mass spectrometry (US EPA TO-17)

10 Determination of Ozone Precursors in Environmental Air by Gas Chromatography (US EPA PAMS)

11 Determination of Nitrobenzene Compounds in Environmental Air by Gas Chromatography (HJ 738-2015)

Determination of Nitrobenzene Compounds in Environmental Air by Gas Chromatography Mass Spectrometry (HJ 739-2015)

13 Determination of polycyclic aromatic hydrocarbons in ambient air and exhaust gas phases and particulate matter by gas chromatography-mass spectrometry (HJ 646-2013)

14 Determination of Non Methane Total Hydrocarbons in Exhaust from Fixed Pollution Sources Gas Chromatography Method (HJ/T 38-1999)

Determination of volatile organic compounds in exhaust gas from fixed pollution sources using solid-phase adsorption thermal desorption/gas chromatography-mass spectrometry (HJ 734-2014)

16 Determination of Total Volatile Organic Compounds in Indoor Air - Gas Chromatography Method (GB 50325-2010) 17 Sampling and Determination of Volatile Organic Compounds in Vehicles (HJ/T 400-2007)

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