MT S CNG TY SAN XUT NaNO3 1. Allied Chemical & Dye Corp., Hopewell, Virginia, USAThe Solvay Process Co., Hopewell, Virginia, USASan xut a!" t# H!" v$ a%C!"2. Mathieson Chemical Corp., a!e Charles, o"isiana, USA Sources and Available Supplies of Commercial Fertilizers The World Fertilizer Economy, Issue 1, p1!"