Proof acceptable to the applicable state and/or federal authorities
that there are no environmental sensitive features, including, but
not limited to floodplains, wetlands, hazardous or toxic waste sites,
structures or sites of historical or archeological significance and
habitats supporting rare, threatened and/or endangered species, regulated
by any state and/or federal authorities, on the site or impacted by
the development; or, in the alternative, a written certification executed
by the record owner and the developer of such site that all applicable
state and/or federal laws, rules and regulations concerning such environmental
sensitive features shall be complied with and proof thereof submitted
to the Township prior to final plan approval.