James M Mason is thorough and rigorous, placing great emphasis on adherence to procedures and quality control. His focus areas extend across various operational and regulatory aspects, indicating a comprehensive evaluation approach with particular focus on ensuring products' identity, strength, quality, and purity.

Investigator James M Mason demonstrates a keen focus on quality control, process control, cleanliness and adherence to written procedures. He shows high attention to detail in matters related to equipment and facilities quality, changes implementation, and validation of cleaning procedures. His interest also extends to laboratory controls, particularly testing procedures to confirm drug products' identity, strength, quality, and purity, and strong emphasis on record review and approval before batch release.