Just saw where Hodgdon/IMR issued a recall for certain lots of IMR 4007 SSC for those that use it. Here's a link with further details.
https://www.midsouthshooterssupply.com/blog/IMR4007SSC_Safety_and_Recall_Notice.pdf
https://www.midsouthshooterssupply.com/blog/IMR4007SSC_Safety_and_Recall_Notice.pdf