E-SEQ-FRM It's the official announcement that the E-SEQ-FRM is now US-EPA designated for PM10, PM2.5 and PM10-2.5. The designation numbers are shown below. https://www.gpo.gov/fdsys/pkg/ FR-2017-09-25/html/2017-20447. htm Contact sales@metone.com for more information and pricing.
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