code: def call_api(self, table, column, value, **kwargs):
          
          try:
              output_format = kwargs.pop('output_format')
          except KeyError:
              output_format = self.output_format
          url_list = [self.base_url, table, column,
                      quote(value), 'rows']
          rows_count = self._number_of_rows(**kwargs)
          url_list.append(rows_count)
          url_string = '/'.join(url_list)
          xml_data = urlopen(url_string).read()
          data = self._format_data(output_format, xml_data)
          return data
docs: Exposed method to connect and query the EPA's API.