“…In addition to compounds from agriculture and salt intrusion, e.g., chloride [45][46][47], some industrial chemicals are frequently detected [29], such as volatile organic compounds [48][49][50][51][52] and heavy metals such as arsenic, nickel and lead [53][54][55][56]. The main anthropogenic sources of heavy metals are found in various industrial sectors, e.g., current and former mining activities, metal plating, foundries, smelters, battery manufacture, tanneries, petroleum refining, paint manufacture, pigment manufacture, and the printing and photographic industries [57,58].…”