Environmental Forensics: Principles and Applications - Chapter 1 docx

... 19 78 and 19 85. The decrease in the demand of chlorinated solvents during 19 78 to 19 85 reflects the production ban on 1, 1 , 1- trichloroethane (1, 1 , 1- TCA, or TCA) and Freon -1 1 3 (1, 1,2-trichloro -1 , 2,2-trifluoroethane). ... CCl 2 F 2 4.94 Chloroform a CHCl 3 4.88 1, 1-Dichloroethane (1, 1-DCA) C 2 H 4 Cl 2 4.04 cis -1 , 2-Dichloroethylene CH 2 Cl 2 3.96 trans -1 , 2-Dic...

Ngày tải lên: 11/08/2014, 09:21

... (ng/L) 1. 97 <50 0.06 <50 10 8 12 50 1. 02 <50 19 5 9.390 0.42 <50 34.8 2 010 0.08 <50 <0.02 NA a <0.03 NA a 255 41, 800 411 330,000 318 89,500 3 41 223,000 252 22,200 3 51 192,000 217 11 ,500 ... clean sand, (10 to 10 –2 ; silty sand, 1 to 10 –3 ; loess, 10 1 to 10 –5 ; and glacial till, 10 –2 to 10 –9 (Peargin, 19 94) • Vapor retardation...

Ngày tải lên: 11/08/2014, 09:21

... Concrete (cm/sec) Water 1 ¥ 10 10 Trichloroethane (TCA) 6 ¥ 10 –9 Trichloroethylene (TCE) 4 ¥ 10 –9 Tetrachloroethylene (PCE) 6 ¥ 10 –9 Freon -1 1 1 3 ¥ 10 –9 Freon -1 1 3 (1, 1,2-trichlorotrifluoroethane) 4 ¥ 10 –9 Methylene ... America, 25 :12 9 13 2. Gelhar, L., and C. Axness, 19 83. Three-dimensional stochastic analysis of macrodispersion in aquifers, Water Resources Re...

Ngày tải lên: 11/08/2014, 09:21

... (C 6 H 6 ) 17 80 17 60 Toluene (C 6 H 5 CH 3 ) 724 515 573 Ethylbenzene (C 6 H 5 CH 2 CH 3 ) 19 7 15 3 17 7 m-Xylene (C 6 H 4 (CH 3 ) 2 ) 19 6 15 8 14 6 17 3 o-Xylene (C 6 H 4 (CH 3 ) 2 ) 14 2 15 2 213 p-Xylene ... Weight Benzene 1. 94 Toluene 4.73 Ethylbenzene 2.0 o-Xylene 2.27 p-Xylene 1. 72 m-Xylene 5.66 2-Butene 0. 315 a 2-Pentene 0.435 a Butane 3.83 1, 2,4-Trimethylbenzene...

Ngày tải lên: 11/08/2014, 09:21

... R., 19 98. Forensic review of environmental trial exhibits, Environmental Claims Journal, 11 (1) :93 10 7. Morrison, R. and Erickson, R., 19 95. Environmental Reports and Remediation Plans: Foren- sic ... locations S1-EX3 and S9-EX5 (see 3a) were also omitted. Sample locations located 30 ft to the east (S 5- 5-PL, S 9-7 -PL), however, were projected onto the A-A¢ transect...

Ngày tải lên: 11/08/2014, 09:21

... 10 –46 7. 31 ¥ 10 –33 10 6 11 .6 5.9 ¥ 10 10 9.48 ¥ 10 –3 2.36 ¥ 10 –22 3.79 ¥ 10 15 2 ¥ 10 6 23 6 .1 ¥ 10 10 9.78 ¥ 10 –3 1. 56 ¥ 10 16 2. 51 ¥ 10 –9 10 7 11 5 — — 4 .19 ¥ 10 12 6.73 ¥ 10 –5 10 8 11 57 ... (F) (sec) (cm/sec) 10 0 10 2 0 10 3 0 10 4 (27 hr) 1. 85 ¥ 10 – 41 10 5 (1. 16 days) 2.07 ¥ 10 – 21 10 6 (11 .6 days) 5.89...

Ngày tải lên: 11/08/2014, 09:21

... States of America on acid-free paper 10 9876543 21 International Standard Book Number -1 0 : 0-8 24 7-5 85 3-6 (Hardcover) International Standard Book Number -1 3 : 97 8-0 -8 24 7-5 85 3-0 (Hardcover) Library ... GC-MS TO-3 VOCs Cryogenic trap GC-MS TO-5 Aldehydes, ketones Impinger/DNPG HPLC-UV TO-7 N-nitroso-dimethylamine Thermosorb/N adsorbent GC-MS TO-8 Phenols and creso...

Ngày tải lên: 11/08/2014, 21:21

... Biosensors Technology and Applications 20 0 2 4 6 8 10 12 14 16 18 20 10 -8 10 -7 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 air gap thickness/mm capacitance between detector and drift electrode/pF Coupled ... Intensity 94 95 50 10 0 15 0 200 m/z 0 10 0 Relative Intensity 93 47 12 1 (c) Aniline (d) Alcohol 50 10 0 15 0 200 m/z -0 10 0...

Ngày tải lên: 19/06/2014, 21:20

... 0.62 2. 01 0.03 0. 21 0 0.62 2. 01 0.03 0. 21 5 0.64 1. 97 −0.05 0 .13 5 0.62 1. 93 0.09 0 .17 10 0.66 1. 93 −0 .14 0.08 10 0.63 1. 85 0 .15 0 .14 15 0.68 1. 90 −0.24 0.04 15 0.63 1. 79 0.22 0 .15 20 0.69 1. 87 ... 64 .16 5.07 6.70 −8.00 0.98 −0.07 10 30.54 61. 07 10 .18 12 . 71 14 .50 1. 79 −0 .15 15 28.83 57.66 15 .26 17 .96 19 .70 2.44 −0.22 20 26.99 53.99 20.25 22....

Ngày tải lên: 03/07/2014, 23:20