Note: 1, voc method: Determination of Volatile Organic Compounds HJ 639-2012 Water purge and trap gas chromatography - mass spectrometry. <br>2, the SVOC methods: US-8270 the EPA <br>. 3, Bl: point number is represented by a number of surface water collection , so <br>4, ND: indicates the detection value is less than the detection limit for more than half, which means not detected
正在翻译中..