according to one of the articles the surveillance was sparked by unwanted jerrycans of leftover chems being dumped in a ditch in the same region. This is causing a big environment problem across many suburbs of NL, even the forestry workers are tweeting about it as well as the cops; as they need to get the fire brigade and special clean up teams in to deal with it.
NL politie also mention (as a separate incident) discovering an actual lab elsewhere in Noord Holland and some blokes from their 20s to 50s being arrested and some to appear before the judge.
