Certificates of analysis and other memoranda concerning laboratory service and the reporting of results should have the following requirements:
Certificates of analysis shall be on standard printed forms approved by the Deputy Administrator;
Shall be printed in English;
Shall have results typewritten, computer generated, or handwritten in ink and shall be clearly legible;
Shall show the results of laboratory tests in a uniform, accurate, and concise manner with abbreviations identified on the form;
Shall show the information required by §§ 91.26 through 91.29; and
Show only such other information and statements of fact as are provided in the instructions authorized by the Deputy Administrator.