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Cemex Vemalis Quarry Mining and Reclamation Project <br /> emissions to a less-than-significant level. These operational effects would remain a significant <br /> impact after mitigation. -- <br /> Projected decreases in ROG and NOx while comparing 2008 and 2028 2021 are the result of <br /> future decreases in emission factors for project equipment and mobile sources,due to typical <br /> replacement cycles of older equipment,and implementation of the U.S. EPA's HD 2007 program. <br /> Recently proposed emission standards for nonroad diesel engines (e.g., dozers and excavators) <br /> would have benefits in terms of decreasing emissions and are not accounted for in this analysis. <br /> However,the compliance schedule for nonroad equipment would have little effect on emissions <br /> from this equipment for projects that commence before 2008. <br /> TAR' E Q CA <br /> (T...... o,.. em) <br /> 7-'opo-r-rrroor� <br /> €stimated <br /> Project Estimated <br /> Valley AiF lap-$de rMassions PFB)BGt <br /> nktFict PFR-AgG14g g)i Site FRiissiens <br /> Year ReuW-nt THreshelds EquipmeRt rqwpment) (HaulTrucks) Total <br /> 289@ Roa 49 425 2:57 432 74-4 <br /> N9. 78 47.2 239 42:9 443 <br /> 42mu - 249 447 159 362 <br /> 2929 R9G 19 4-25 314 454 399 <br /> NO. 49 67-2 2" 9-79 194 <br /> pl I - 369 9A9 9.72 361 <br /> SOURCE:-&wkonnaenta�Seience AscBcialm,,-200.4 <br /> TAO�_�pi`_4_o6oA 6 6B6 6B <br /> OPERATIONAL EMISSIONS AT.A.PRODUCTION1 TONS <br /> (Tens-Pe"Leao <br /> €st'i1m'�ante'd <br /> D ^ <br /> •�V` FM mated <br /> € <br /> Valley-Au 9n Me ��� �'.missiBng Project <br /> 9lstrlct Processing ®/ ig �" €mm.ong <br /> Year Pau'dant Threcholds E-qulpment €gwprneRH (Haul Trucks) Teta) <br /> 2994 ROG 19 4.25 4-." 356 <br /> N9. 10 494 24.2 3" 194 <br /> Plvha - 253 1R5 1.97 255 <br /> 2929 ROG 19 <br /> N9. 49 426 2.24 196 757 <br /> PA4ia - 49A 382 4:94 765 <br /> SOURCE En-aapm-ntal Science Assoc atecr 2004 <br /> Cemex Vernals Quarry Mining and ReclamaWn Projed 446 ESA 1203015 <br /> Final Emironmenfal Impact Report June 2008 <br />