The presence of PeCB in matrices from remote regions, some that can only have received PeCB after transport via air, supports the conclusion that PeCB is subject to long range transport.
五氯苯存在于偏远区域的基质中，其中一些只能通过空气迁移之后才能获得，这证实了五氯苯可以进行远距离迁移的结论。