Stephen Petty has a Bachelor's and Master degree in Chemical Engineering from the University of Washington and an MBA from the University of Dayton.
He is the founder of EES Group which has, since 1996, been an engineering and environmental consulting firm. His offerings specifically include health and safety consultation with qualifications that include Certified Industrial Hygienist (CIH), Certified Safety Professional (CSP), Professional Engineer (PE), and Industrial Hygienist (IH).
His company tests air quality and consults on personal protection equipment as well.
Their Website: https://eesgroupinc.com/
On September 28th, 2021, he gave testimony before the United States District Court for the Western District of Michigan going over the specifics of why mass masking policies not only do not work, but can be hazardous to people’s health.
You can go over the testimony slide presentation he gave here:
And his own spoken summary of his qualifications on his podcast here:
Kristen Meghan Kelly, an Industrial Hygienist for some 19 years, goes over the slides as well here and offers her own additional commentary pointing out the absurdity of mass masking:
It's an important reminder that, before 2020, mask use was carefully implemented ONLY when absolutely needed and only under very narrow conditions to meet the demand of the danger.
Cloth and surgical masks were NEVER considered safe PPE as they could not meaningfully stop viruses and did not have a facial seal as is needed to be considered a higher-end respirator.
This is important information to help you show others the absurdity of indiscriminate mass masking.
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