SO2 and PM-2.5 data, which are also relevant to acid rain, could be included in the map. The highly-automated continuous collection, quality assurance, and storage of the ozone data on the Internet should accomplish international data exchange in a routine and managable fashion, and should facilitate international data exchange in general. The remainder of this document describes how the OMS works and identifies some of the issues to be considered in using it internationally. In 1997, the ozone map was expanded to include 14 Northeast and Mid-Atlantic states. At that time, the OMS was also redesigned to make it easier to use, administer, and to acocomodate a greater number of agencies and air pollutants.
Data processing occurs in two phases.
It is also possible to establish a DCC capable of polling several monitors directly, thereby minimizing changes and oversight needed at the provincial level to participate. Links to other valuable references on MCNC's website are provided in the sections below. These are the times as which the agencies begin polling their ozone monitors. The purpose of the 8am poll is to collect all of yesterday's data and enough of today's data to calculate valid 8-hour averages for each hour of the preceeding day. About another 45 minutes are needed at the DCC to process, QA, and map the data.