Paraquat: A standard herbicide used to kill various types of crops, including marijuana. Causes lung damage if smoke from the crop is inhaled.
Parshall Flume: Device used to measure the flow of water in an open channel.
paraquat A standard herbicide used to kill various types of crops.
parasite An organism that derives its nourishment from a living plant or animal host. May be pathogenic, but does not necessarily cause disease.
parasitic bacteria ...
Paraquat
Parshall Flume
Part A Permit, Part B Permit
Participation Rate
Particle Count
Particulate Loading
Particulates
Partition Coefficient
Parts Per Billion (ppb)/Parts Per Million (ppm)
Passive Smoking/Secondhand Smoke ...
 See also: Permit, Eutrophication, Environment, Permits, Exposure
  
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