«But the Norwegian petroleum industry isn't drilling as far north as this, so the risk of such discharges happening is not that great.» (sciencedaily.com)
The more abundant such discharge is, the more the placental abruption is. (infobaby.org)
The EPA has the authority to issue permits for such discharges, but current rules allow shale gas drillers to pass their waste through public sewage plants even if those plants are not equipped to remove pollutants. (scientificamerican.com)