The United States Environmental Protection Agency (EPA) has set the Maximum Contaminant Level Goal (MCLG) for the chemical cyanide at 200 ppb based on the best available science aimed at preventing health problems like nerve damage or thyroid problems. What is the MCLG reported in parts per million?
Select one:
a.
200 ppm
b.
2000 ppm
c.
0.200 ppm
d.
0.0200 ppm