Midwest Analytical Services, Inc. provides specialization in the determination of trace metals in industrial wastes, soils, ground waters and waste waters. 

Arsenic 
Barium 
Cadmium 
Calcium 
Chromium 
Cobalt 
Copper 
Iron 
Lead 
Magnesium 
Manganese 
Mercury 
Nickel 
Potassium 
Selenium 
Silicon 
Silver 
Sodium 
Zinc
Hardness