When given a url, this function will find all the available table names
        for that EPA dataset.

def find_table_links(self):
        """
        When given a url, this function will find all the available table names
        for that EPA dataset.
        """
        html = urlopen(self.model_url).read()
        doc = lh.fromstring(html)
        href_list = [area.attrib['href'] for area in doc.cssselect('map area')]
        tables = self._inception_table_links(href_list)
        return tables