Most scientists look for a single validated pH (e.g., pH 3.6). TR-82 introduces the concept of the window of inactivation —the pH range where the virus is killed faster than the product is degraded. The report provides statistical guidance (using linear regression vs. non-linear models) to determine this window, rather than just a point estimate.
Would you like to know more about PDA or technical reports in general? pda technical report 82 pdf
PDA TR-82 does not discard the BET—it refines its interpretation. It acknowledges that . For biotech and pharma quality units, adopting TR-82’s principles means moving from a one-time assay to a product-lifecycle risk management approach. Most scientists look for a single validated pH (e