The following lines contain the word 'select', 'insert', 'update' or 'delete':
select displayed_field
into l_active_inactive
from po_lookup_codes
where lookup_code = P_active_inactive
and lookup_type = 'ACTIVE_INACTIVE';
select displayed_field
into l_sort
from po_lookup_codes
where lookup_code = P_sort
and lookup_type = 'SRS ORDER BY';
select displayed_field
into l_site
from po_lookup_codes
where lookup_code = P_site
and lookup_type = 'SITE_TYPE';