MBL is using ASTM D7391 – 09 Standard Test Method to Analyse Non-viable Air Samples Mold & Bacteria Consulting Laboratories (MBL) inc., is now using the new ASTM method D7391-09 for analysis of non-viable air samples. Until recently, there has been no standard method by which to …Continue Reading about MBL is using ASTM D7391 – 09 Standard Test Method to Analyse Non-viable Air Samples →