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The
Origin of the HEPA Filter
During the 1940’s, the first HEPA filter (high efficiency particulate air) was developed as part of a top-secret U.S. military program called the “Manhattan Project” by Arthur D. Little Co., a government contractor working to produce the first atomic weapon. To move forward with the project, scientists needed a means of eliminating the minute but highly toxic radioactive particles that were contaminating experiments and endangering personnel. The scientists were mainly concerned with a specific particle size of 0.3 microns which was the most penetrating & problematic. The revolutionary new HEPA filter they designed solved the problem, & from that point on, the 0.3 micron particle size became the standard for HEPA performance & became the basis for modern HEPA filter designs After World War II, the
technology was declassified & HEPA filters
(originally called absolute Different countries refer
to the technology by other names; in the United States we call
it HEPA
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| Chemical Suits | Boots
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