注：１、voc方法：HJ 639-2012 水质；挥发性有机物的测定；

Note: 1, voc method: HJ 639-2012 Water quality; Determination of volatile organic compounds; Purge and Trap; Gas Chromatography - Mass Spectrometry. <br>2, svoc methods: US-8270 the EPA <br>. 3, Bl: 1 expressed as a number of surface water collection points, and so on. <br>4, ND: indicates the detection value is less than the detection limit for more than half, which means not detected.

Note: 1, voc method: HJ 639-2012 water quality; determination of volatile organic matter; blow-sweeping catch; gas chromatography-mass spectrometry.<br> 2, svoc method: US EPA-8270<br> 3, B1: indicates the number 1 point to collect surface water, and so on.<br> 4, ND: means that the check-out value is less than half the check-out limit, meaning not checked out.

Note: 1. VOC method: hj639-2012 water quality; Determination of volatile organic compounds; purge and trap; gas chromatography-mass spectrometry.<br>2. SVOC method: US epa-8270<br>3. B1: it means that surface water is collected at point No. 1, and so on.<br>4. Nd: it means that the detection value is less than half of the detection limit, which means that it is not detected.<br>