Scientists suspected that, among other possibilities, plastic drinking water pipes exposed to extreme heat released the chemicals (SN: 11/13/20). Now, lab experiments show that’s possible.

When water vapor and nitrogen in the air are passed through a catalytic mesh, either by natural wind or a fan built into the device, green ammonia is generated inside the device, and this is then ...

Then we will believe," he said, pointing to a row of plastic bottles filled ... receipt of claims of a "sharp increase in ammonia levels in the water", but indicated it would not concern itself ...