ENVIRONMENTAL RESTORATION of METALSCONTAMINATED SOILS - CHAPTER 1 pdf

... Zinc 10 .7 0 57.5 49 .1 849 2, 912 Cadmium 9 0 4.7 0 0. 71 15.4 Lead 0 0 0 0 323 1, 270 Copper 0 4.8 10 0 233 1, 900 Iron 55.7 28 ,12 0 710 10 ,400 60 ,15 0 20,670 Manganese 622,200 39.2 358 44.4 2 91 13,4 41 Calcium ... sample Zn Cd pHe [Cd](µg.g -1 ) [Zn](µg.g -1 ) 10 0 90 80 70 70 60 60 50 50 40 40 30 30 20 20 10 10 0 0 23 4 56 Couhins sample Zn Cd pHe [Cd](µg.g -1 ) [Zn]...

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... soils, ranges from 10 to 15 0 mg/kg. In polluted areas, concentrations of 10 0 to 10 00 times that of the nor- mal level can be found (Davies, 19 95; Adriano, 19 86; Peterson, 19 78). Sites of this type ... directive No. 9355. 4 -1 2. Of ce of Emergency and Remedial Response, Washington, D.C. EPA/540/F-94/043, PB9 4-9 63282, 19 94, 17 . 413 1C03/frame Page 75 Monday,...

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... (19 70) Pyrite 1 300 Rosenfeld and Beath (19 64) 3 .1 25 Gissel-Nielsen (19 71) 25– 41. 6 Gissel-Nielsen (19 71) Sulphuric acid 0.25 10 .1 Gissel-Nielsen (19 71) Phosphoric acid 9.3 Gissel-Nielsen (19 71) 0. 01 0.40 ... means of restoration of soils containing excessive levels of Se. Bioreduction of selenate, the most 413 1/frame/C10 Page 218 Friday, July 21, 2000 4:50 PM ©...

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... Number of Sites for Cd-8HQ and Cd-PLC Complexes, pH 7.0 8-Hydroxyquinoline-CPG Poly-L-Cysteine-CPG K 1 = 10 9 – 10 11 K 1 = 1 ± 0.5 × 10 13 K 2 = 4 ± 1 × 10 8 K 2 = 10 9 – 10 11 K 3 = 2 ± 1 ... 1 × 10 6 K 3 = 1 ± 1 × 10 6 K 4 = 2 ± 0.5 × 10 4 K 4 = 2 ± 1 × 10 4 n i (mmol/g 8HQ-CPG) n i (mmol/g PLC-CPG) n 1 = 10 n 1 = 1 ± 0 .1 n 2 =...

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... 0.6 0 .11 a 0.06 a 0.08 a 1 4 .1 0.96 0.32 0 .18 0.06 0.39 0 .18 2 5 .1 0.46 0.23 0 .14 0.05 0.26 0 .13 3 9.4 0.77 0.47 0.25 0.09 1. 28 0.42 5 7.4 1. 48 0.57 0.78 0 .18 1. 37 0. 81 6 6.0 0.68 0.49 0 .13 0.07 ... soil 10 6 ± 7 0.7 ± 0.06 0.660 Contaminated without vegetation 11 4 ± 506 14 1.0 ± 11 1.2 1. 234 Contaminated with natural vegetation 960 ± 51 10.4 ± 0. 81 1.085 Con...

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... on Equation 16 . C w 1 0.32 H + [ ]1. 096 10 –2 DOC×++ 1 0.32 H + [ ]1. 096 10 –2 DOC 0.81SOC 1 0.32 H + []+()+×++ T Hg = 413 1/frame/C04 Page 87 Wednesday, August 9, 2000 3 :13 PM © 20 01 by CRC Press ... in soils. 413 1/frame/C04 Page 77 Friday, July 21, 2000 4:57 PM © 20 01 by CRC Press LLC 82 Environmental Restoration of Metals–Contaminated Soils FIGURE 4....

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... 0 .12 a 13 .7 a 15 .1 a 17 .0 a 15 .3 a FO 0 .12 a 13 .7 a 15 .1 a 16 .0 bc 15 .3 a MO 0 .12 a 13 .7 a 14 .0 ab 15 .3 c 15 .8 a Lime ND b 13 .7 a 11 .3 c 16 .2 c 15 .8 a Phosphate ND b 13 .2 a 14 .0 ab 16 .2 bc 15 .8 ... ND 14 .6 a 12 .2 a 1. 27 a 11 .3 a FO ND 12 .9 b 10 .5 ab 1. 27 a 11 .3 a MO ND 8.59 c 6 .13 c 1. 27 a 6 .14 b Lime ND 12 .9 b 11 .3 ab 1. 2...

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... 3.98a 10 .81a 28.44a 6.60c 1. 34b 10 .15 ab 4.01a 11 .21a 26.70a 7.50b 1. 39b 11 .15 a 4 .18 a 11 .15 a 27.88a 7.90a 1. 37b 9.58b 4.93a 11 .22a 27.37a S3 4.30d 4.24a 14 .83a 3.89b 12 .36a 35.32a 6.20b 1. 41b 15 .11 a ... Discussion 11 0 6.3 .1 Soil Characteristics 11 0 6.3.2 DTPA-Extractable Metals 11 0 6.3.3 Metal Fractions 11 1 6.3.4 Lead Fractions 11 1 6.3.5 Nickel Fract...

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... (VORCE) closeup of barrel trommel. 413 1/frame/C07 Page 16 0 Friday, July 21, 2000 4:53 PM © 20 01 by CRC Press LLC 13 8 Environmental Restoration of Metals–Contaminated Soils low-level radioactive ... 12 2 7 .1. 2 The Purpose and Scope of This Chapter 12 2 7.2 Extent and Nature of Contamination 12 3 7.3 Soil Characteristics and Heavy Metal Contaminants 12 4 7.3 .1...

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... No. EK-BR-00 9-0 92, Electrokinetics, Inc., Baton Rouge, LA, 19 92a. C variable C 5 β L E σ ∗ i e = 413 1/frame/C08 Page 18 4 Friday, July 21, 2000 4:52 PM © 20 01 by CRC Press LLC 17 0 Environmental ... quantity of these exchangeable FIGURE 8 .1 Schematic of field implementation of electrokinetic remediation. 413 1/frame/C08 Page 16 8 Friday, July 21, 2000 4:52 PM...

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