Contaminated Ground Water and Sediment - Chapter 2 pps

... between Sediment and Common Contaminants 2. 2. 2Sediment Transport Model Components 2. 2 .2. 1Sediment Erosion and Deposition Processes 2. 2 .2. 2Sediment Transport Model Minimum Requirements 2. 2.3Contaminant ... aldrin; dieldrin; 1,1,1-trichloro- 2, 2-bis( p -chlorophenyl)ethane (DDT); 1,1-dichloro -2 , 2-bis( p -chloro- phenyl)ethane (DDD); endosulfan; endrin; heptach...

Ngày tải lên: 11/08/2014, 12:21

... integral parts of ground water ßow systems, and ground water interacts with surface water in nearly all landscapes — from small streams, lakes, and wetlands in headwater areas to major river valleys and seacoasts. ... state-of-the-art technology in aqueous mixing simulation models. Advantages and disadvantages of different mod- eling approaches, time and spatial resolution...

Ngày tải lên: 11/08/2014, 12:21

... CSF/BW. 0% 10% 20 % 30% 40% Frequency Risk 1.1 x 10 -7 1 x 10 -6 1 x 10 -5 1 x 10 -4 1 x 10 -3 1 x 10 -2 1 x 10 -2 L1667_C03.fm Page 140 Tuesday, October 21 , 20 03 3:49 PM 20 04 CRC Press LLC 3.3.3 .2. 2 Decision-Making ... of CSF/BW. Frequency 0% 10% 20 % 30% 40% 50% Risk 2 x 10 -6 1 x 10 -5 2 x 10 -5 1 x 10 -4 2 x 10 -4 1 x 10 -6...

Ngày tải lên: 11/08/2014, 12:21

... chlorobenzenes, PCBs, polycyclic aromatic hydrocarbons (PAHs), and labora- tory- and Þeld -contaminated sediments. The laboratory -contaminated sediments were maintained in contact with the chemicals ... MODFLOW 2- D ground water ßow; transport for two species; ßuid properties as linear function of Þrst species Sanford and Konikow, 1985 MT3D + MODFLOW 3-D ground water ß...

Ngày tải lên: 11/08/2014, 12:21

... (day) 24 6810 y (mg/L) 10 20 23 25 28 t (day) 2 4 6 8 10 y (mg/L) 10 20 23 25 28 ∑y = 68 b y′ 3 .25 a 1 .25 1 .25 ∑y′ = 5.75 y 2 400 529 625 ∑y 2 = 1554 yy′ 65 28 .75 31 .25 ∑yy′ = 125 a 3 .25 = b ... R 11 , R 12 , and R 13 and those of MPN 2 are R 21 , R 22 , and R 23 . The corresponding mean readings are, respectively, R 1ave and R 2ave as shown i...

Ngày tải lên: 11/08/2014, 10:22

... 14.4 2. 57 31.8 13.1 49 21 9 21 1.93 10.0 3.9 2. 32 46.38 MR4 14.9 2. 50 32. 2 13 .2 43 19 23 15 1.99 10.1 2. 4 1.95 39.53 GT1 21 .8 2. 64 35.5 13.5 23 30 17 30 1.84 13.0 3.5 2. 77 69.87 GT4 13.9 2. 52 27.7 ... 52 1.38 27 .0 2. 6 5.97 84.61 PEA4 34.1 2. 63 50.8 25 .9 0 3 39 58 1. 62 20.8 1.9 2. 74 80.69 CEA1 31.1 2. 53 46 23 .3 0 1 49.6 49.4 1.69 21 .6 2. 22 3.75 83...

Ngày tải lên: 11/08/2014, 04:20

... Forecasts 23 FIGURE 2. 11 Step 2 in using the decision table tool. The Specify options (step 3 of 3) dialog should look like Figure 2. 12. Specify 20 00 trials as shown in Figure 2. 12 and click ... 30 Wealth can be seen in Figure 2. 2, and is measured as 32. 20 in Figure 2. 4. The fact that the mean of $3.776 million is so much larger than the median of $2. 426 million is also...

Ngày tải lên: 05/07/2014, 18:20

... odor ( 12) . It may decompose when exposed to heat or light. Chemical name: 2- methyl-4-oxo- 3-( 2- propenyl ) -2 -cyclopenten-1-yl 2, 2-dimethyl- 3-( 2- methyl-l-propenyl)cyclopropanecarboxylate ( 12) CAS ... ( 12) . Chemical name: (RS)-alpha-cyano-3-phenoxybenzyl N- ( 2- chloro-a,a,a-trifluoro- p-tolyl)-D-valinate ( 12) CAS #: 1 028 5 1-0 6-9 Molecular weight: 5 02. 93 ( 12)...

Ngày tải lên: 11/08/2014, 04:20

... 2 0.074 0.0 72 0.076 PCB-1016 0 BDL BDL BDL PCB- 122 1 0 BDL BDL BDL PCB- 123 2 0 BDL BDL BDL PCB- 124 2 0 BDL BDL BDL PCB- 124 8 23 0.740 0.043 5 .20 3 PCB- 125 4 13 1.765 0.3 12 9.347 PCB-1060 20 0.671 0.031 ... Range Bis ( 2- ethylhexyl) phthalate 13 3806 157–1 125 7 109 4.1 27 3 Chloroethane 2 125 9 517 20 00 19 14.5 24 1, 2- trans -Dichloroethylene 11 744 42 54993 21 0....

Ngày tải lên: 11/08/2014, 09:21