...court, operate as a stay of the standard. No objection that has not been urged before the Secretary shall be considered by the court, unless the failure...or neglect to urge such objection shall be excused for good cause shown. The validity of any mandatory health or safety standard shall not be subject...

...modifying, and enforcing as so modified, or setting aside in whole or in part the order of the Board. No objection that has not been urged before the Board,...be excused because of extraordinary circumstances. The findings of the Board with respect to questions of fact If supported by substantial evidence on...

...that has not been urged before the Board or its representative before whom a hearing was conducted shall be considered by the court, unless the failure...be excused because of extraordinary circumstances. The findings of the Board with respect to questions of fact if supported by substantial evidence on...

...modifying, and enforcing as so modified, or setting aside in whole or in part the order of the Board. No objection that has not been urged before the Board, its member, ajyent, or agency, shall be considered by the court, unless the failure or neglect to urge such objection...

...modifying, and enforcing as so modified, or setting aside in whole or in part the order of the Board. t were navigable under the laws of the United States at the time s ajrent, or agency, shall be considered by the court, unless the failure or neglect to urge such objection...

...as a stay of the order of the Commission. No objection that has not been urged before the Commission shall be considered by the court, unless the failure or neglect to urge such objection shall lie excused because of extraordinary circumstances. The findings of the Commission with respect to...

...respondent and to punish for contempt thereof. No objection that has not been urged before the commission shall be considered by the court, unless the failure...be excused because of extraordinary circumstances. Any party may move the court to remit the case to the commission In the Interests of justice for the...

...as a stay of the order of the Commission. No objection that has not been urged before the Commission shall be considered by the court, unless the failure...be excused because of extraordinary circumstances. The findings of the Commission with respect to questions of fact, if supported by substantial evidence...

...of the Board. (c) (1) No objection that has not been urged before the Board or its hearing examiner shall be considered by the court, unless the failure...to urge such objection shall be excused because of its extraordinary circumstances. (2) The findings of the Board with respect to questions of fact, if...

...fctay-of the standard. No objection that 2 lias not been urged before the Secretary shall be- considered 4 by the court, unless the failure or neglect to urge...objection shall be excused because of extraordinary cirrinn/j stances. The procedures of this section shall lie the exclusive 7 means of challenging the...