Columbia subject headings:
Gas chromatography--Evaluation.
Volatile organic compounds--Analysis--Technological innovations--United States--Evaluation.
Water--Pollution--Measurement--Technological innovations--United States--Evaluation.
Harvard subject headings:
Gas chromatography--Evaluation.
Volatile organic compounds--Analysis--Technological innovations--United States--Evaluation.
Water--Pollution--Measurement--Technological innovations--United States--Evaluation.
Princeton subject headings:
Gas chromatography--Evaluation.
Volatile organic compounds--Analysis--Technological innovations--United States--Evaluation.
Water--Pollution--Measurement--Technological innovations--United States--Evaluation.