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~ • iii iiiiiiiiiiiiiiii <br />Permit Number Ca-032, 12/E3 _ <br />Page 7 of 7 <br />ATTACHMENT II <br />OSM SPECIAL CONDITIONS <br />1. U.S. Steel shall submit a study of noise levels, noise sources, and <br />methods that could be used to mitigate noise impacts at the proposed <br />Somerset ventilation fan along Hubbard Creek prior to the construction of <br />the facilit}•. The study shall be conducted in consultation with the U.S. <br />Forest Service (USFS), OSM and the Division. U.S. Steel shall implement <br />noise abatemen[ measures that are recommended in the study and in <br />consultation with the USFS, OSM and the Division within 90 days after the <br />completion of the fan facilit}•. <br />2. Visual impacts associated with the construction of the Hubbard Creek <br />ventilation fan facility and future above-ground structures shall be <br />mitigated in the following manner: <br />a) A11 structures shall be colored, painted, covered or finished in a <br />natural color, whenever it will not violate any safety requirements <br />of any government oz governmental agency. The purpose of the <br />painting is to blend with the color in the landscape character of the <br />vicinity. <br />b) Use indigenous plants to help screen the facility from passers-by. <br />These mitigative measures shall be completed within 90 days of the <br />construction of the ventilation fan facility. <br />REVISED STATE STIFJLATIOi`'S NOs. 1 and 2 <br />Stipulation No. 1 <br />THE SPECIES DIVERSITY OF THE 50*ffi RSET MINE RECLAL"SED P.REAS SHALL ACHIEVE <br />AT LEASE THREE COOL SEASON PEREhT'IAL GRASSES Ar71 OATE PEP.ENfiIAL FORB WIT'd <br />O RELATIVE COVER EQUAL TO OR GREATER THAN THREE PERCEtiT OF THE TOTAL COVEP.. -, _` <br />`eya~ THE COMBINED RELATIVE CO\lER OF THP,EE COOL SEASON PEREA'NIAL GRASSES ANA .. <br />A`~7 FORB SHGULD NOT EXCEED 80 PERCEt~ AND NO ONE SPECIES SHOULD COMPRISE <br />GREATER THAN 60 PERCE2.T OF THE TOTAL COVER. <br />Stipulation No. 2 <br />THE OPERATOR SHALL MEASURE WOODY PL_4N'T DENSITY A~'D VEGETATION COVER ON TEE <br />SOMERSET MINE RECLAIPfED AREAS THE FIRST Atr°D THIRD GROWING SEASONS <br />FOLLnwTNr. RF'('i AjfeTTl1N eT INTENSITIES EOUAL TD ~15ELINE SAPfPLING LEVELS AND '~ L a" <br />~B~T THE RESULTS TO THY; 6I'vISION WITHIN 60 DAYS AFTER THE DATA <br />