Instructio7is to Manufacturers, Importers, Agents, afid Sellers of Com- 

 mercial Fertilizers or Materials used for Matiurial Purposes in 

 Mass a ch u setts. 



1. An application for a certificate of compliance with the regu- 

 lations of the trade in commercial fertilizers and materials used for 

 manurial purposes in this state must be accompanied : 



First, with a distinct statement of the name of each brand 

 offered for sale, the name of the manufacturer and place of 

 factory. 



Second, with a statement of the percentages of phosphoric acid, 

 soluble in distilled water, reverted as well as total, 

 of nitrogen and of water soluble potassium oxide guaran- 

 teed in each distinct brand. 



Third, with the fee charged by the state for a certificate, which 

 is five dollars for each of the following ingredients : nitrogen, 

 phosphoric acid and potassium oxide guaranteed in each 

 and every distinct brand. 



2. The obligation to secure a certificate applies not only to com- 

 pound fertilizers but to all substances, single or compound, used for 

 manurial purposes offered for sale in this state. Inferior substances 

 like leather, hair, and wool waste, shall not be used unless so stated 

 in the guarantee. 



3. The certificate of compliance with the laws of the state must 

 be secured annually before the first of May. 



4. Manufacturers, importers and dealers in commercial fertilizers 

 can appoint as many agents as they desire after having secured at 

 this ofiice the certificate of compliance with the laws of the state. 



5. Agents of manufacturers, importers and dealers in commercial 

 fertilizers are held personally responsible for their transactions until 

 they can prove that the articles they offer for sale are duly recorded 

 in this office. 



6. Manufacturers and importers shall upon request furnish a list 

 of their agents. 



All inquiries regarding the sales of commercial fertilizers, may be 

 addressed to H. D. Haskins, Chemist in charge of the ofiicial 

 inspection. 

 Atnlierst, Massachusetts, March, igo8. 



