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Technical Overview of Volatile Organic Compounds | US EPA

2022年3月28日 · Volatile organic compounds (VOC) means any compound of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates and ammonium carbonate, which participates in atmospheric photochemical reactions, except those designated by EPA as having negligible photochemical reactivity 2.

EPA Region 9 Sample Container and Preservation List | US EPA

2022年2月17日 · Please contact the Region 9 Laboratory regarding preservation and container requirements for Microbiology and Marine/Freshwater Toxicity Testing. Note: All recommendations apply only to samples submitted to the EPA Region 9 Laboratory and are for single sample quantities. EPA Region 9 Sample Container and Preservation List.

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Soil Sampling for VOCs: Best Practices: An overview of

2019年8月14日 · Soil sub-core samples are best collected using a soil core sampling tool designed to capture an approximately 5-gram or 10-gram sample of soil to achieve a 1:1 ratio of soil to preservative (weight to volume). The Terra Core

Volatile organic compounds (VOCs) in soils | SpringerLink

2010年2月13日 · Soils may act as sources or sinks of volatile organic compounds (VOCs). Many of the formed VOCs are produced by microorganisms, and it would be a challenge to investigate soil microbial communities by studying their VOC profile. Such “volatilomics” would have the advantage of avoiding extraction steps that are often a limit in genomic or

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