David Tebbe Receives ASQ Certified Quality Engineer

Milwaukee, Wis., — The Certification Board of ASQ (American Society for Quality) is pleased to announce that Mr. David Tebbe, that has completed the requirements to be named an ASQ-Certified Quality Engineer, or ASQ CQE.

David is a Senior Validation Engineer with Performance Validation, a 100% employee owned company which provides professional, technical services to the life science industry.… more

New CRF4 Fogger

Performance Validation’s Critical Airflow Visualization Services Group has purchased an Applied Physics CRF4 cleanroom fogger. As noted in the above video [downloaded from Applied Physics USA], the CRF4 is a portable cleanroom fogger that can use deionized (DI) water or water for injection (WFI water) to generate 1.25 cubic meters of pure fog per minute at 170 ml fog density per minute to provide from 10 to 15 feet visible fog distance.… more

Deblistering Machine Qualification


A pharmaceutical manufacturer in Indiana requested help from Performance Validation (PV) with the commissioning and qualification of a new portable deblistering machine for use in a pharmaceutical packaging facility. This deblistering machine allows for the recovery of drug products (in tablet or capsule form) from blister cards that have been rejected for issues not related to product quality (e.g.… more

Qualification of Cell Culture Purification Suite

The Challenge

A client contacted Performance Validation requesting assistance with qualification of additions and modifications to an existing cell culture purification suite to expand the product line capabilities of a newer acquisition facility on a tight production shutdown window.

Additionally, this client requested assistance with replacement of their obsolete washers and autoclaves, expansion of their quality control lab facility, and changes to their utility systems to accommodate the resultant increased production rates.… more

Packaging Line Qualification

The Challenge

A client contacted Performance Validation requesting assistance with qualification of a new product packaging line for a bagged dry product to allow for serialization and reduction in personal protective equipment (PPE) required by operations. This system was to be installed in a parallel room with tie-in to the existing packaging line to allow for continued packaging operations during construction and qualification activities.… more

Hospital Building Commissioning

The Challenge

A client contacted Performance Validation requesting assistance with commissioning of a pediatric research center renovation project.  The research center was to be located within a renovated 2nd floor of an old building that is part of a children’s hospital and was to include exam space for patients participating in clinical research programs as well as space for research labs, lab support, offices, and staff support. … more

Process Validation

In a recentlyposted warning letter to a Chinese drug manufacturer the FDA identified a specific violation citing the Jan 2011 FDA Guidance to process validation.

Your firm failed to establish written procedures for production and process control designed to assure that the drug products you manufacture have the identity, strength, quality, and purity they purport or are represented to possess (21 CFR 211.100(a)).more

Comparison of FDA cGMP Compounding Guidance

Comparison of FDA cGMP Compounding Guidance.


The initial Guidance for Industry cGMP – Interim guidance was issued July 2014 and a link to this document is available here.  A total of 25 comments were received from various organizations which are available for viewing here. … more

Facility Design

One of the key elements supporting commercial manufacturing of pharmaceutical or compounded products is the facility design.  This element is captured in the Drug cGMPs as subpart C Buildings and Facilities, and codified in 21 CFR 211.42 Design and construction features.… more

Data Integrity Final Guidance

FDA has issued the Data Integrity and Compliance with Drug cGMP final guidance on December 13, 2018.  The final guidance is available at the following link.

As stated in the Introduction section of the guidance:

FDA expects that all data be reliable and accurate (see the “Background” section).… more