Ozarknana says:
Ruthiesgirl, that's what is called "component" testing and that's what we're going after right now. It doesn't make sense to have a finished product tested if all the components of that item have already passed the criteria.....if anyone here makes toys, specifically, join the Handmade Toy Alliance, we're fighting this tooth and nail.....
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That is basically the same thing they do at machine shops. They buy the materials get a MSDS sheet, along with a COC (Certificate of Compliance) then keep it on file. If the item that was made from the original product has an issue, (say, an airplane part)is faulty, they can run a "dna" test on the material based on the information on the COC.
You would think that this process was already in place on the manufacturing level, be it metal, plastic, fabric, wood, whatever.