This Quality Assurance Project Plan (QAPP) for the California Air Resources Board’s
(CARB) Study of Neighborhood Air near Petroleum Sources (SNAPS) Program is a
comprehensive document that describes in detail the necessary quality assurance,
quality control, and all other technical activities implemented to ensure that programspecific
work satisfies required performance criteria. This QAPP has been developed
to be consistent and conform to all applicable laws and regulations, CARB’s Quality
Management Plan (QMP) and quality assurance policies. This QAPP was developed
using the U.S. EPA Quality Assurance regulations and guidance described in EPA QA/R-5,
EPA Requirements for Quality Assurance Project Plans and the accompanying
document EPA QA/G-5, Guidance for Quality Assurance Project Plans. All pertinent
elements of regulations and guidance are referenced in this QAPP. This document is
designed to be used in conjunction with applicable SNAPS Monitoring Plans.
