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�.. <br />Memhers of the Roseville City Council <br />November 18, 2010 <br />Page 3 <br />Maximum Atute Risk Values <br />H25 Odor <br />H25 Threshold - <br />Max Acute Concentratior� ATSDR <br />Risk (4!g/m3) (µg/m3) <br />OAG <br />0.22 <br />0.20 <br />0.16 <br />o.i2 <br />0.10 <br />0.08 <br />0.06 <br />0.04 <br />O.OZ <br />21.54 <br />4.99 <br />4.5� <br />3.63 <br />z_�� <br />2.27 <br />1.82 <br />1.36 <br />0.91 <br />0.4 5 <br />0.7 <br />0.7 <br />0.7 <br />a.� <br />G.7 <br />0.7 <br />0.7 <br />0.7 <br />0.7 <br />0.7 <br />� <br />The analysis shows and establishes that the odors will be readily detectibfe beyond ihe <br />baundaries of the immediate site. Hydrogen Sulfide gas is a health risk and Hydrogen Sulfide odor is <br />objectionabie and a nuisance. Tilank you for tl�e opportunity io provicle tl�ese comments affirming the <br />statements in the letiers to the MPCA, and the additional supplemental comments contained in this <br />correspondence. <br />MULLOY ENVIRONMENTAL SERVICES, INC. <br />py ��'L /����'�� �T. ` <br />Patritk J. MulJoy, President <br />