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• Tobacco Ingredients (IT) is used for listing the tobacco types ingredients and their attributes within the tobacco product under study.
• Non-tobacco Ingredients (IN) is used for listing other ingredients and additives and their attributes as used in the tobacco product under study,.
• Quantified Ingredients (IQ) is used for representing the quantity of each ingredient by component of the tobacco product in which they are included. These values represent the design/formulation specification of the product, not experimentally determined values (as the latter would be represented in the Product Testing (TP) dataset, not shown here).

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The IT example below shows 4 types of tobacco listed as tobacco ingredients (STRFID) for the Tobacco Product CIG01A (SPTOBID). The variable ITSPECIF shows the specification (variety) of the first three tobaccos. ITCAT is used to indicate that Reconstituted Tobacco is a complex, purchased ingredient. ITCURMTH indicates the cure method. ITSPFL is used to indicate whether complex purchased ingredients were made to the applicants specification. RTOBMF indicates the reference tobacco master file (what is this? why does only one row have this info?See note 1)

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Finally, the IQ is used to represent the quantity (target, minimum and maximum) of each ingredient listed in STRFID that the product (SPTOBID) is designed to contain, with the units for each of these values represented in IQUNIT. The function of each ingredient is described in IQFUNCT. Ingredients that appear in more than one component of the tobacco product are quantified separately for each component. (we need examples of this to illustrate. We have polyvinyl acetate used at two different levels in two different components from a Phillip Morris example, but  1) We don't have both of those components–sideseam adhesive and filter adhesive in our table. We only have "Adhesive".) see note 2) IQPARENT and IQLEVEL are used to identify the component to which the record applies and and at which level in the overall hierarchy the ingredient appears, with the following implementation rules:

• IQPARENT must correspond to a value of STRFID in the same dataset. If parent is null, the ingredient is considered a top-level component and is assigned a value of "1" in IQLEVEL.
• Records describing ingredients that are constituent ingredients of another ingredient/component listed in the dataset will have IQPARENT set to equal the STRFID of that ingredient/component. IQLEVEL will be set to n +1, where n=the parent record's value of IQLEVEL.
• Every value of STRFID used in this dataset that has an IQLEVEL >1 (needs discussionSee note 3) must have a matching value of STRFID in either:
  • The IT dataset (when IQCAT=TOBACCO INGREDIENT) or,
  • The IN dataset (when IQCAT=NON-TOBACCO INGREDIENT)

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