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H6: investigation summary: material 221815 is manufactured by rehydrating the media components with usp purified water, and thoroughly mixing until a homogeneous solution is obtained.The tubes are filled, capped, torqued and then labeled by machine per standard operating procedure (sop).The tubes are terminally autoclaved in an air over pressure (aop) autoclave, per manufacturing instructions, using a validated cycle.Post autoclaving, tubes are packaged into final shipping configurations.The batch history record review for batch 1070138 was satisfactory and no quality notifications were generated during manufacturing and inspection.Formulation, filling and torquing processes were within specifications.In process checks were performed at the designated intervals.Those checks confirmed that the caps were tightened to the validated specifications per internal procedure.Qc inspection and testing were satisfactory at time of release.As part of the release criteria for this product, the bhr is reviewed to confirm the following: as part of the release criteria for this product, the bhr is reviewed to confirm the following: the total elapsed time between end of formulation and start of the autoclave cycle was within the specified limits.All autoclave parameters conformed to the validated cycle parameters for this product.The minimum f0 for this product was met.The complaint history was reviewed, and two other complaints have been taken on this batch for contamination.Retention samples from batch 1070138 were available for inspection.There was no observable evidence of contamination from visual inspection of 10/10 tubes.For further testing, two retention tubes were incubated.One tube was placed at 20¿25-degrees celsius incubator and one tube was placed into 33-37 degrees celsius incubator.At seven days incubation, no microbial growth was observed in 2/2 retention tubes.One photo was received for the investigation in lieu of returns.The photo shows two tubes from batch 1070138 and the media does appear to be hazy.According to the certificate analysis the broth appearance should be light yellow to medium tan-yellow; clear to trace hazy.The haziness in the media could be due to contamination as the customer described.It is noted the tubes in the photo appear to have been shaken up because of the bubbles.Contamination was not seen in the retention samples.The complaint can be confirmed based on the photos.Bd will continue to trend complaints for contamination.This product is not labeled as sterile.No actions are planned at this time.Media should be inspected prior to use and should not be used if medium shows evidence of contamination, drying, cracking or other signs of deterioration.
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