1998-03-23_REVISION - M1977348

• Permit No: M1977348
• IBM Index Class Name: Revision
• Doc Date: 3/23/1998
• Doc Name: EXHIBIT 6
• From: Holnam
• To: DMG
• Type & Sequence: TR3
• Media Type: D
• Archive: No

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WASTE DUST (CEMENT KILN DUST) - FORT COLLINS PLANT
Uptla(etl on Cecember 26, f 997
TOTAL METALS (mg/kg or PPM):
DATE Ag As Ba Be Cd Cr Cu Mn Ni Pb ~Sb Se TI Zn Hg pH
PCA 7/12/91 1000 ND 377 00 0 40 41 70 at 40 Ni Ni 37 00 131.00 ND 82.20 27.50 NT 0 02 NT
3rit/93 rvo 1569 441.96 151 6703 56.49 Ni rvi 5514 66.98 1169 71084 ND NT 2.14 NT
2 Olr, 1993 100 27.70 42800 150 3270 44.00 NT rvi 1170 9390 3.90 52.60 ND Ni 0.20 Ni
3' Dtr, 1993 rvD 6 97 310.37 1 34 7 26 46.91 Ni Ni 44 39 13.72 11 54 11.44 ND NT 0 55 NT
4 Ou 1993 1 30 29 BO 77200 1 a0 26 BO 40.10 Ni rvi 12 30 50.70 290 48.40 ND NT 0 30 Ni
1/10/95 ND 1480 379.00 ND 25.20 46.60 NT rvT ND 2920 ND 7880 ND NT NT NT
1 Otr, 1995 rvo 30.00 103.00 2.20 26.10 3fi.00 rvT rvT 40.00 39.00 900 98.00 ND NT 0.07 1258
3 Otr, 1995 rvo 72.00 280.00 2.10 21.40 74.00 Ni Nr 40.00 29000 6.00 75.00 ND NT 005 12.73
4 Qtr 1995 rvD 1000 33000 0.40 4200 31.00 NT rvi 31.00 2800 ND 6900 ND NT 001 1351
1 Otr. 1956 3.00 12 00 320.00 O.BO 52.00 32 00 Ni NT 75.00 5fi.00 2.00 49.00 ND NT 0.19 12 B3
2 IXr, 1996 3.00 10.00 230.00 0 70 24.00 30 00 29 00 84.00 27.00 12.00 2.00 36 00 ND 130.00 ND 13.02
3' Cllr, 1996 rvD 14.00 310.00 1 10 80.00 41 00 40.00 rvT 40.00 27 00 ND 52.00 ND NT ND 13 09
1 Otr, 1997 2.00 13.00 36700 1.50 5400 47.00 41.00 192.00 4600 49.00 ND 93.00 ND 193.00 ND 13.03
2 lrr, 1997 400 16 00 404 00 1 20 52.00 46.00 39.00 227.00 4600 46.00 ND 57.00 ND 179.00 ND 12.81
3 Cllr 1997 300 27.00 45100 070 51.00 47.00 47.00 167.00 5100 7100 ND 57.00 ND 234.00 ND 1276

MINIMUM= (m ND m ND 10300 DI ND 7.26 3000 2900 6400 (p ND 1200 pl ND 11A4 In1 ND 13000 pl ND 1258
MAXIMUM= 1000 32.00 451.00 220 6703 56.49 47.00 227.00 5514 29000 11.69 110.84 2750 23400 2.14 13.51
AVERAGE• ].41 18.07 7]9.82 1.20 77.55 d1.70 79.20 167.50 76.90 64.2] 6.1] 64.69 27.50 184.00 0.79 12.97
SiD DEV. = 2.84 B 45 8986 0.56 15.96 7.50 6.50 60.86 12.89 69.73 4.10 25.73 42.90 0.68 0.27
DET LIMIT= 1.0 1.0 0.1 1.0 1.0 1.0 0.1
ND ~ Ncl detectable, i.e , belpv minimum detection limit NT ~ Nat tesletl