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WASTE DUST (CEMENT KILN DUST) - FORT COLLINS PLANT <br />Updated an March 6, 2002 <br />TOTAL METALS (mg /kg or PPM): <br />RE0E0V�® <br />OCT 0 0 202 <br />Division of Minerals and Geology <br />DATE <br />Ag <br />As <br />Ba <br />Be <br />Cd <br />Cr <br />Cu <br />Mn <br />Ni <br />Pb <br />Sb <br />Se <br />T1 <br />Zn <br />Hg <br />pH <br />P 77112!91 <br />_ 9.95 <br />NO <br />377.00 <br />0.44 <br />41.70 <br />41.40 <br />N <br />N <br />37.00 <br />131 <br />ND <br />82.20 <br />27.50 <br />-Nr <br />0.02 '-N <br />3131/93 <br />ND <br />15.69 <br />441.96 <br />1.51 <br />67.03 <br />66.49 <br />NT <br />NT <br />65,14 <br />66.98 <br />11.69 <br />110.84 <br />NO <br />NT <br />214 <br />NT <br />Qtr, 1993 <br />1.00 <br />27.70 <br />428.00 <br />1.50 <br />32.70 <br />44.00 <br />NT <br />NT <br />11.70 <br />93.9 <br />3.90 <br />52.60 <br />ND <br />NT <br />0.20 <br />NT <br />3 Qtr, 1993 <br />NO <br />6.97 <br />310.37 <br />1.34 <br />7.26 <br />46.91 <br />NT <br />NT <br />41.39 <br />13.72 <br />11.54 <br />11.44 <br />ND <br />NT <br />0.55 <br />NT <br />4 Otr, 1993 <br />1.30 <br />29.80 <br />372.00 <br />1.40 <br />26.80 <br />40.10 <br />NT <br />NT <br />12.30 <br />50.7 <br />2.90 <br />48.40 <br />ND <br />NT <br />0.30 <br />NT <br />1110195 <br />NO <br />14,80 <br />379.00 <br />ND <br />25,20 <br />46.60 <br />NT <br />NT <br />ND <br />29.2 <br />NO <br />78.80 <br />ND <br />NT <br />NT <br />NT <br />1 I Qt, 1995 <br />NO <br />30.00 <br />103.00 <br />2.20 <br />26.10 <br />36.00 <br />NT <br />NT <br />40.00 <br />39 <br />9.00 <br />98,00 <br />NO <br />NT <br />0.07 <br />12.56 <br />Qtr, 1995 <br />NO <br />32.00 <br />280.00 <br />2.10 <br />21.40 <br />34.00 <br />NT <br />NT <br />40.00 <br />290 <br />6.00 <br />75.00 <br />ND <br />NT <br />0.05 <br />12.73 <br />1 Qtr, 1995 <br />NO <br />10,00 <br />330.00 <br />0.40 <br />42.00 <br />31.00 <br />NT <br />NT <br />31.00 <br />28 <br />NO <br />69.00 <br />NO <br />NT <br />0.01 <br />13.51 <br />1 Qtr, 19% <br />3.00 <br />12.00 <br />320.00 <br />0.80 <br />52,00 <br />32.00 <br />NT <br />NT <br />35.00 <br />56 <br />2.00 <br />49.00 <br />NO <br />NT <br />0.19 <br />12.83 <br />Qtr, 1996 <br />3.00 <br />10.00 <br />230.00 <br />0.70 <br />24.00 <br />30.00 <br />29.00 <br />84.00 <br />27.00 <br />12 <br />2.00 <br />36.00 <br />NO <br />130.00 <br />ND <br />13.02 <br />3 0r.1996 <br />NO <br />14.00 <br />310.00 <br />1.10 <br />40.00 <br />41.00 <br />40,00 <br />NT <br />40.00 <br />27 <br />NO <br />52.00 <br />NO <br />NT <br />ND <br />13.09 <br />1 Qtr, 1997 <br />2.00 <br />13.00 <br />361.00 <br />1.50 <br />54.00 <br />47.00 <br />41.00 <br />192.00 <br />46.00 <br />49 <br />ND <br />93.00 <br />NO <br />193.00 <br />ND <br />13.03 <br />Qtr, 1997 <br />4.00 <br />16.00 <br />404.00 <br />1.20 <br />52.00 <br />46.00 <br />39.00 <br />227.00 <br />46.00 <br />46 <br />NO <br />57.00 <br />NO <br />179.00 <br />NO <br />12.81 <br />3 Qtr, 1997 <br />3.00 <br />21.00 <br />451,00 <br />0.70 <br />51.00 <br />47.00 <br />47.00 <br />167.00 <br />51.00 <br />31 <br />NO <br />57.00 <br />NO <br />234.00 <br />ND <br />12.76 <br />iw- Qtr, 1997 <br />NO <br />16.00 <br />371.00 <br />1.20 <br />38.00 <br />42.00 <br />44.00 <br />134.00 <br />50.00 <br />34 <br />NO <br />37.00 <br />NO <br />169.00 <br />NO <br />12.80 <br />1 Qtr, 1998 <br />ND <br />20.00 <br />387.00 <br />1,30 <br />49.00 <br />48.00 <br />42.00 <br />139.00 <br />57.00 <br />42 <br />NO <br />97.00 <br />NO <br />190.00 <br />ND <br />12.75 <br />Qtr. 1998 <br />NO <br />16.00 <br />271.00 <br />0.50 <br />32.00 <br />42.00 <br />38.00 <br />197.00 <br />33.D0 <br />34 <br />ND <br />26.00 <br />NO <br />120.00 <br />NO <br />12.57 <br />37 Qtr, 1998 <br />1.00 <br />12.00 <br />370.00 <br />0.30 <br />46.00 <br />69.00 <br />37.00 <br />282.00 <br />43.00 <br />45 <br />IND <br />69.00 <br />ND <br />163.00 <br />NO <br />12.69 <br />4 Qtr, 1998 <br />4.00 <br />64.00 <br />328.00 <br />1.00 <br />56.00 <br />59.00 <br />33.00 <br />160.00 <br />45.00 <br />91 <br />$7.00 <br />154.00 <br />35,00 <br />187.00 <br />NO <br />12.90 <br />1 Otr, 1999 <br />8.00 <br />46.00 <br />353.00 <br />1.10 <br />59.00 <br />59.00 <br />32.00 <br />147.00 <br />1 47.00 <br />132 <br />29.00 <br />149.00 <br />48.00 <br />200.00 <br />ND <br />12.93 <br />Qtr, 1999 <br />11,00 <br />59,00 <br />672.00 <br />NO <br />70.00 <br />116.00 <br />53.00 <br />224.00 <br />52.00 <br />143 <br />22.00 <br />164.00 <br />22.00 <br />229,00 <br />ND <br />13.15 <br />3 Qtr, 1999 <br />2.00 <br />17.00 <br />383.00 <br />1.00 <br />58.00 <br />76.00 <br />36.00 <br />188.00 <br />50.00 <br />53 <br />3.00 <br />101.00 <br />53.00 <br />190.00 <br />ND <br />13.37 <br />4 Qtr, 1999 <br />1.00 <br />17.00 <br />425.00 <br />1.00 <br />61.00 <br />71.00 <br />40.00 <br />210.00 <br />44.00 <br />66 <br />2.00 <br />87.00 <br />68.00 <br />221.00 <br />ND <br />13.42 <br />1 Oft. 22000 <br />3.00 <br />15.00 <br />465.00 <br />0.20 <br />61.00 <br />80.00 <br />42.00 <br />201.00 <br />51.00 <br />61 <br />ND <br />82.00 <br />30.00 <br />207.00 <br />ND <br />12.66 <br />Qtr, 2000 <br />3.00 <br />17.00 <br />428,00 <br />0.70 <br />31.00 <br />85.00 <br />36.00 <br />206.00 <br />41.00 <br />30 <br />5.00 <br />40.00 <br />23.00 <br />184.00 <br />NO <br />12.91 <br />3 Qtr, 2000 <br />2.00 <br />14.00 <br />409.00 <br />0.90 <br />57.00 <br />58.00 <br />37.00 <br />179.00 <br />41.00 <br />66 <br />3.00 <br />57.00 <br />36.00 <br />193.00 <br />ND <br />12.89 <br />40 01r, 2000 <br />NO <br />10.60 <br />123.00 <br />0.04 <br />19.30 <br />45.00 <br />18.90 <br />130.00 <br />24.30 <br />32.1 <br />NO <br />66.00 <br />NO <br />165.00 <br />NO <br />13.02 <br />1 Otr, 2001 <br />0.82 <br />13.60 <br />142.00 <br />0.48 <br />28.50 <br />61.00 <br />26.60 <br />210.00 <br />28.80 <br />33.9 <br />ND <br />41.20 <br />NO <br />227.00 <br />NO <br />12.92 <br />2"' Qtr, 2001 <br />0.91 <br />12.60 <br />210,00 <br />0.51 <br />27.40 <br />90.00 <br />28,60 <br />291.00 <br />30.30 <br />27.2 <br />ND <br />45.70 <br />NO <br />251.00 <br />nd <br />13.16 <br />3'0Otr,2001 <br />1.06 <br />11.60 <br />33.00 <br />0.66 <br />19.00 <br />99.00 <br />34.60 <br />171.00 <br />40.80 <br />29.7 <br />ND <br />43.10 <br />NO <br />343.00 <br />nd <br />13.15 <br />4'Otr,2001 <br />NO <br />10.10 <br />49.80 <br />0.48 <br />16.50 <br />91.00 <br />33.10 <br />149.00 <br />39.20 <br />25.6 <br />ND <br />36.90 <br />ND <br />267.00 <br />ND <br />14.01 <br />1" Qtr, 2002 <br />2.21 <br />1.11 <br />118.00 <br />NO <br />1.36 <br />65.30 <br />NO <br />ND <br />NO <br />3.75 <br />NO <br />105.00 <br />ND <br />ND <br />IND <br />12.80 <br />MINI = <br />1121 NO <br />(1) NO <br />a 33.00 <br />(3) NO <br />a 1.38 <br />0 30.00 <br />(1) NO <br />lit NO <br />(2) ND <br />o 3.75 <br />ln> NO <br />o 11,44 <br />(2q ND <br />(1) ND <br />1231 ND <br />o 12.57 <br />MAXIMUM = <br />11.00 <br />64.00 <br />672.00 <br />2.20 <br />70.00 <br />116.00 <br />53.00 <br />291.00 <br />57.00 <br />290.00 <br />37.00 <br />164.00 <br />68,00 <br />343,00 <br />2.11 <br />14.01 <br />VERAGE - <br />3.20 <br />19.56 <br />32228 <br />0.94 <br />39.31 <br />56.84 <br />36.72 <br />184.87 <br />39.80 <br />67.86 <br />10.00 <br />71.65 <br />38.06 <br />203.43 <br />0.39 <br />12.99 <br />STD. DEV. = <br />2,91 <br />13.91 <br />135.81 <br />0.63 <br />17.73 <br />21.47 <br />7.32 <br />49.26 <br />11.05 <br />53.59 <br />10.89 <br />38.40 <br />15.38 <br />50.24 <br />0.68 <br />0.31 <br />DET. LIMIT = <br />1.00 <br />1.00 <br />0.10 <br />1.00 <br />1.00 <br />1.00 <br />0,10 <br />ND - Not detectable: i.e., below minimum detection I NT - Not tested <br />Stewart Environmental Consultants began performing analyses on the fourth puaRer, 2000 CKD samples. <br />