PUBLIC LAWS-CH. 581 -JULY 11, 1940 "On or before the first day of December of each year, the Com- mission shall submit to the respective governors of the signatory States a full and complete report of its activities for the preceding year. "The Commission shall not incur any obligations of any kind prior to the making of appropriations adequate to meet the same; nor shall the Commission pledge the credit of any of the signatory States, except by and with the authority of the legislature thereof. " 4ARTICLE VI "It is recognized by the signatory States that no single standard for the treatment of sewage or industrial wastes is applicable in all parts of the District due to such variable factors as size, flow, loca- tion, character, self-purification, and usage of waters within the Dis- trict. The guiding principle of this compact shall be that pollution by sewage or industrial wastes originating within a signatory State shall not injuriously affect the various uses of the interstate waters as hereinbefore defined. "All sewage from municipalities or other political subdivisions, public or private institutions, or corporations, discharged or per- mitted to flow into these portions of the Ohio River and its tributary waters which form boundaries between, or are contiguous to, two or more signatory States, or which flow from one signatory State into another signatory State, shall be so treated, within a time reasonable for the construction of the necessary works, as to provide for sub- stantially complete removal of settleable solids, and the removal of not less than forty-five per cent (45%) of the total suspended solids; provided that, in order to protect the public health or to preserve the waters for other legitimate purposes, including those specified in Article I, in specific instances such higher degree of treatment shall be used as may be determined to be necessary by the Commission after investigation, due notice and hearing. "All industrial wastes discharged or permitted to flow into the aforesaid waters shall be modified or treated, within a time reasonable for the construction of the necessary works, in order to protect the public health or to preserve the waters for other legitimate purposes, Including those specified in Article I, to such degree as may be determined to be necessary by the Commission after investigation, due notice and hearing. "All sewage or industrial wastes discharged or permitted to flow into tributaries of the aforesaid waters situated wholly within one State shall be treated to that extent, if any, which may be necessary to maintain such waters in a sanitary and satisfactory condition at least equal to the condition of the waters of the interstate stream immediately above the confluence. "The Commission is hereby authorized to adopt, prescribe and promulgate rules, regulations and standards for administering and enforcing the provisions of this article.
- "ARTICLE VII
"Nothing in this compact shall be construed to limit the powers of any signatory State, or to repeal or prevent the enactment of any legislation or the enforcement of any requirement by any signa- tory State, imposing additional conditions and restrictions to further lessen or prevent the pollution of waters within its jurisdiction. "ARTICLE vmI "The Commission shall conduct a survey of the territory included within the District, shall study the pollution problems of the District, 754 [54 STAT.
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