... field or waste water or waste dregs disposing field. River bank , lake dam, mine remainings, reservior, tunnel, ... (man-made lake, river, reservoir, golf courses reservoirs of the substrate, slope protection, green lawn of the waterproof moisture, etc.). ... leaching, the ash-field, dissolved, precipitation, the yard, the tailings seepage substrates, etc.) . Huatao Group -New Geo-Material Co.,Ltd. Add: ...