1. epair::endpoints
    Endpoints available in the EPA API
    json| rda| rds
    character
  2. epair::service.names
    Names of services offered by the EPA API
    csv| xlsx| json| ndjson| rda| rds
    data.frame|2 x 13
  3. epair::services
    Services offered by the EPA API
    json| rda| rds
    list
  4. epair::variable.types
    Variable parameter names to use
    csv| json| rda| rds
    list
  5. epair::variables
    Variables used for querying in EPA API
    csv| xlsx| json| ndjson| rda| rds
    data.frame|3 x 18