H6: investigation summary this memo is to summarize findings on the complaint related to bottle bacto peptone 500g, catalog number 211677, batch 1228037, and complaint #(b)(4) for unexpected smear on sds page coomassie gels.Components are milled and blended (where required) and dispensed into containers.Following qc release, and based upon inventory demand, final packaging operations occur, which include dispensing into and labeling of final configurations, followed by transport to the distribution center.The complaint investigation included a review of the batch history record for the complaint batch.The batch history record review indicated no discrepancies.All release testing was satisfactory.Release testing consists of powder appearance, solubility and solution appearance of 2 and 10% solutions, residual solvents, ph, loss on drying, ash, nitrogen, amino nitrogen, and growth promotion with organisms specified on the bd certificate of analysis.The complaint trends were reviewed for a period covering 12 months.During that time, there have been no other confirmed complaints on this lot.The customer stated that their media with the complaint peptone showed a smear on sds page coomassie gels.A photo of the prepared gel was provided with conclusion, ¿gibco peptone lot 1228037 (in use since (b)(6) 2021) is dirty¿.Bd does not test, monitor, or control for this customer¿s application.No historical data is available for performance of this media using sds page coomassie gels.Consequently, this complaint cannot be confirmed.H3 other text : see h10.
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