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Tobacco product HPHC testing results are represented in the PT domain. This example assume illustrates HPHC testing and smoking regimens for a cigarette product. The example assumes testing at a single time point, not serial testing over multiple timepoints as in stability studies. See the Section 3.1.4, Stability Studies section, for more information and examples on handling illustrating how to represent those data.

HPHC testing is conducted on samples of the product of interest, and (if applicable) samples of comparison products. Each product tested would have its own unique sponsor-defined value for SPTOBID to identify the product. 

This example only shows test results for each constituent for one 1 replicate of one 1 sample of one 1 product that was tested (PTREPNUM = 1 for all records). Details of the sampling and testing plan, including the number of samples of the products tested, are determined by the sponsor applicant or by regulatory requirement.  Sponsors Applicants would likely have multiple product samples tested in multiple replicates, and those would be distinguished in the dataset .The following references were used as guidance for the example below:
1. https://www.ecigstats.org/docs/research/CoA_1R6F.pdf
2. https://open.canada.ca/data/en/dataset/71394df3-aee8-4117-92cb-a035360972a2/resource/7e6b0457-051e-4620-befc-8e4f50b75345 by values of PTREPNUM being set to 1 through n, where n = the number of replicates being performed.

Note the use of the PTXFN (external file name) to indicate that the lab methodology was submitted as separate documentation.