Since the invention of Ductile Iron, also known as Spheroidal Graphite Iron or Nodular Cast Iron in 1949, it has become the most preferred pipe material for water supply and pressure sewerage applications around the world.ince the invention of Ductile Iron, also known as Spheroidal Graphite Iron or Nodular Cast Iron in 1949, it has become the most preferred pipe material for water supply and pressure sewerage applications around the world.
The 1994 Federal Register TRI listing of chlorsulfuron (59 FR 1788, January 12, 1994) also cited a slight treatment-related decrease in maternal fertility in the F3 generation observed in a rat chronic toxicity study (Ref.
Chlorine is used in industry and in household cleaning products. Chlorine was also the first poison gas to be used as a weapon during World War I. Some of the chemical/physical properties of chlorine include: 1  Chlorine is a yellow-green gas at room temperature.2  Chlorine has a pungent, irritating odor similar to bleach that is detectable at low concentrations.hlorine was also the first poison gas to be used as a weapon during World War I. Some of the chemical/physical properties of chlorine include: 1  Chlorine is a yellow-green gas at room temperature.