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4.Minor Revisions to the Draft Environmental Impact Repo( <br /> v <br /> of 5 pg/m'' (annual average). OEH14A has also established a unit risk value for DPM,which is the <br /> probability of contracting cancer if exposed to an average concentration of 1 pg/m3 for 70 years. <br /> The unit risk value established for DPM is 300 in a million per microgram per cubic meter. <br /> The earn:«age«:e and non raremogenie health rials Gam the prejeet were estimated by <br /> fuel,eendueting dispeFsion modeling ef DPA4 emissions frqFA All seurees associated with the pfejeet- <br /> For the en site aett ' ' 1,as a werA case,that all e"ipment would use diesel <br /> even theugh seme of the future equipment may be required to reduce DPN4 emissie"s by <br /> alternative Gals OF alternative enb:« ♦ hle ecneeg:es 14 sheuld be notedthat en site <br /> using6 <br /> equipment would meve within the pmperty as diffefent phases of the quaErying become <br /> eF further ftem sensitive Feeeptors. The dispefsion medeling and health risk analyses were based <br /> en the weFst ease results. The estimated DPM emissiens firern the prejeet(during 2009)are <br /> 2.74 t..«.,paryear(t A7 tens Cama site equipment and 1.27 tens frpm ha:,tlz4mek._ Rased on <br /> eeurse information submittedte the Ceunty, E) ld epeFale near the plant sAe and at <br /> the mining e*4rae4ion area. Modeling aeeettfAed fer the duration (in years) and leeatien of eae <br /> phase ef epefutiens (see Wejeet Deseriptien). The epeiratien wetild eeeur-in nine phases ever the <br /> of 76 to Gn. earns. Operation.,as assufned to be 17 hm.m a day (during periods of peal. <br /> rdetinand)thfougheut the year-, excluding Sundays. DPN4 eraissiens weFe fnedeled using U.S. <br /> a <br /> Gm all a Mdl: lfor ahe . dtill <br /> en reams«t.. «amt:a«a eeng r eaAtsa.:a..a re ..eeneves are <br /> repe,.ad Table 4.6 G Detailed modeling methodology and I.aal.nr...,..d data are entained : <br /> Appe..d:_. T <br /> TAR'Ed R CQ c <br /> OPERATIONAL OPPA EMISSIONS <br /> (TGIR oar vaa.1• <br /> 'T <br /> -� Production Annual Risk <br /> Level Residency GeRseRkatiea (persews-per Significant? <br /> (million-tons) (years) 409�) M1on) ue.,�e.h_inde�a.•..x (yes!Ne) <br /> r 4 79 9:473 22 9-D7-45 Yes <br /> 29 9.955 29 49131 Yes <br /> -. 2$5 79 an6i 48 49122 Yes <br /> 29 9,959 45 90999 Yes <br /> 44 78 9949 45 9-0499 Yes <br /> 29 9933 49 49955 No <br /> The ma. :m..m a .ala a nnA4 eeneentratien (based en a esidenry time of 70 and 70 ..ear.. <br /> 1. <br /> f r a f eil:t. a en of between 76 and Ln years) at these reeepters was detepf.,:ned to ben 073 <br /> '- <br /> 0.061, and 0.049 g g/m3 for the production rates of n -2.95, and 1.7 m:lliep taps pn.,ti..el.. <br /> LAcing the r1DAA .,nit risk c star as established by ncwA the maximum ineremental <br /> earGinegeaiG Fisk is estimated to be 22, 19, and 15 peFsens in a millien,for the pmducten fates a <br /> A 7 4c and !.7 millie tons, respeoti. el., T6:s increment :s greater than the signifieanee <br /> Vthf;mhold of 10 in a million (see Significance Cr4efia in the beginning of Section 4.6.3) for each <br /> Cemex Vernah.Quarry Mining and Reclamation Project 451 ESA 1203015 <br /> Plnal Environrrental Impact Report June 2008 <br /> L <br />