H.6.Investigation summary: this memo is to summarize findings on your complaint related to bottle tb carbolfuchsin zn 250ml, catalog number 212511, batch 3150894, complaint #(b)(4) for unsatisfactory appearance.Components are mixed and dispensed into the appropriate containers.After qc testing product is released and transported to the distribution center.The complaint investigation included a review of the batch history record for tb carbolfuchsin zn.The batch history record reviews indicated no discrepancies.All release testing was satisfactory.Complaint trends were reviewed for a period covering 12 months.During that time there have been no confirmed complaints for the defect in question.No photos or returns were received.The retention sample from the complaint batch was evaluated along with a control batch.The solution appearance for the retention sample was satisfactory and comparable to the control; all were a reddish-purple suspension with no visible precipitate, impurities, or contamination.Bd was unable to replicate the defect observed by the customer; consequently, this complaint cannot be confirmed.Bd will continue to trend dyes and stains product complaints for solution appearance defects.If you have further questions, please contact technical services.
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