Quality Assurance Project Plan: PM2.5 Chemical Speciation Sampling at Trends, NCore, Supplemental and Tribal Sites.

摘要

This document is the Quality Assurance Project Plan (QAPP) for all operations involved in the PM2.5 Chemical Speciation Network (CSN). The original QAPP was issue in 2000 as the CSN was being deployed. The CSN has evolved over time due to the advent of th