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How does the EPA Method Work?

1 . S t a n d a r d E P A p r o t o c o l i s u s e d f o r s a m p l e e x t r a c t i o n , e i t h e r s o l i d s ( a c e t o n i t r i l e , extraction

filtration, and centrifugation) or SPE for water samples (using Oasis HLB). See protocol PDF from EPA method for details at www.epa.

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Extracts are then analyzed directly by the Agilent 6410 LC/MS/MS using a single transition for each compound as prescribed by EPA.

3. Quantitation and QA/QC follow EPA protocol.

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