US EPA Test method 12 or a lab can also obtain results from Method 29.
No lead (which would be harmful to you), but some air conditioners emit small quantities of eco-destructive CO2, which the EPA has limited the distribution of in the last 10 or 15 years.
The EPA is the name of the federal agency responsible for monitoring air quality. EPA stands for the Environmental Protection Agency.
Environmental Protection Agency (EPA)EPA
the uranium-lead method is a method to determanie the age of Earth's oldest rocks
The purpose of the EPA is to protect the land, water and air of the country, to keep them clean and healthy for the people and the natural environment.
400 mg lead in each kilogram of soil.
Method of transportation
In the area of air quality: (1) More than half of the large cities now meet air-quality standards; (2) emissions of common air pollutants have dropped by an average of 24 percent; and (3) blood lead levels in children have declined by 75 percent.
the environmental protection agency (EPA)
Reduction or Elimination of waste
EPA
Analog