Читать книгу Food Regulation - Neal D. Fortin - Страница 124

Although the section 403 net weight labeling requirement of the FD&C Act dates back to the 1906 Act,⁴¹ two difficult practical problems made implementation difficult. Packages can lose weight from the loss of moisture when dry products packed in a humid climate are stored in a dry climate. Additionally, wet foods, such as meats, may lose liquid during storage and transportation. Arriving at reasonable allowable variations has been difficult. Both FDA and USDA have largely adopted the approach recommended by the National Conference on Weights and Measures (NCWM) and the National Institute of Standards and Technology (NIST, previously the National Bureau of Standards).⁴²