Federal Regulation 40 CFR Part 58 Subpart B 58.10 requires the States to submit to USEPA an annual air monitoring network plan for the next calendar year. The plan details the monitoring network for criteria pollutants. The monitoring sites are categorized by the following types: NCore national trend sites , SLAMS state and local air monitoring sites , SPM special purpose monitors , PM2.5 speciation sites trend and State , and PAMS photochemical assessment monitoring sites . Specific site information includes locational information address and latitude/longitude , site type, objectives, spatial scale, sampling schedule, and equipment used.