Govt. Label Instructions for Oxalic Acid

Here is a link to the Govt. Oxalic Acid Label Instructions. The label describes the hazards of using Oxalic Acid, proper dose mixing levels, methods of application.
 Both drizzle and vaporization methods. The link takes you to the PDF page. Open the PDF, it is a two page document.
Oxalic Acid Dihydrate Product Label

 This is a powder. Many big box hardware stores do not carry this product. I purchased this container of Oxalic Acid at Ace Hardware. It is a 12 oz or 340 grams. It is enough Oxalic Acid to treat around 150 colonies with a vaporizer.