thorize the sale in this commonwealth, in compliance with this act, of the brand 

 of fertilizer for which the certificate is issued up to and including the thirty-first 

 day of December of the year for which it is issued. 



Section 7. Every commercial fertilizer and brand of 



Collection and commercial fertilizer sold or offered or exposed for sale in 



analysis of samples this commonwealth shall be subject to analysis by the direc- 



and publication of tor of the Massachusetts Agricultural Experiment Station 



results. or by his duly designated deputy or deputies. And the 



said director is hereby authorized and it is made his duty 

 to make or cause to be made in each year one or more analyses of every fertil- 

 izer and brand of fertilizer sold or offered or exposed for sale in this common- 

 wealth, and to collect the annual analysis fee provided for by section five of this 

 act. The said director, his inspectors and deputies, are further authorized to 

 enter upon any premises where any commercial fertilizer is sold or offered or 

 exposed for sale to ascertain if the provisions of this act are complied with, and 

 to take samples for analysis as provided for by this act. The analysis of all 

 fertilizers shall be made by the methods adopted by the Association of Official 

 Agricultural Chemists of North America, except that basic phosphatic slag may 

 be analyzed by the Wagner Method, so-called, until a method of analysis there- 

 for is adopted by said association. The said director shall have the right to 

 publish or cause to be published in reports, bulletins, special circulars or other- 

 wise, the results obtained by said analyses, and in connection therewith shall, in 

 each case, state the cost of equivalent amounts of nitrogen, phosphoric acid and 

 potash in unmixed materials when bought for cash on the market at retail. Said 

 reports, bulletins, circulars, or other publications shall also contain such addi- 

 tional information in relation to the character, composition, value and use of the 

 fertilizers analyzed as the said director in his discretion may see fit to include. 

 The said director may at any time make or cause to be made for any person a 

 free analysis of any commercial fertilizer or brand of commercial fertilizer sold 

 or offered or exposed for sale in this commonwealth, but he shall not be obliged 

 to make such free analysis, or to cause the same to be made, unless the samples 

 therefor are taken and submitted in accordance with the rules and regulations 

 which may be prescribed by him. The results of any analysis made in accord- 

 ance with the provisions of this act, except a free analysis as aforesaid, shall 

 be sent by the director to the person named in the printed label of the fertilizer 

 analyzed at least fifteen days before any publication thereof. 



Section 8. All samples of commercial fertilizers taken 



Sampling for analysis shall be of not less than substantially one and 



of fertilizers. one-half pounds in weight, and every sample shall be taken, 



whenever the circumstances conveniently permit, in the pres- 

 ence of the person selling or offering or exposing for sale the fertilizer sampled, 

 or of a representative of such person. Broken packages shall not be sampled, 

 and all samples shall be taken from substantially ten per cent of the fertilizer to 

 be sampled, except that in the case of a fertilizer sold or offered or exposed for 

 for sale in bulk ten single samples shall be taken from as many different portions 

 of the lot. All samples taken shall be thoroughly mixed and divided into two 

 nearly equal samples, placed in suitable vessels, and marked and sealed. Both 

 shall be retained by the director, but one shall be held intact by him for the 

 period of one year at the disposal of the person named in the label of the fer- 

 tilizer sampled. 



Section g. Any person hindering or obstructing the direc- 

 Penalty for ob- tor of the Massachusetts Agricultural Experiment Station, 

 structing director or or any inspector or deputy of the said director, in the dis- 

 deputy. charge of the authority or duty conferred or imposed by 



Prosecutions at any provision of this act and any person violating any pro- 

 discretion of direc- vision of sections one, two, three, four and five of this act 

 tor. shall be fined not less than fifty dollars and not more than 



two hundred dollars for each offence. It shall be the duty 



