Sludge information describes the volumn of sludge produced at a
        facility, identification information on a sludge handler, and
        classification/permitting information on a facility that handles
        sludge, such as a pretreatment POTW.

        >>> PCS().sludge('county_name', 'San Francisco')

def sludge(self, column=None, value=None, **kwargs):
        """
        Sludge information describes the volumn of sludge produced at a
        facility, identification information on a sludge handler, and
        classification/permitting information on a facility that handles
        sludge, such as a pretreatment POTW.

        >>> PCS().sludge('county_name', 'San Francisco')
        """
        return self._resolve_call('PCS_SLUDGE', column, value, **kwargs)