Pesticides in Stream Sediment and Aquatic Biota Distribution, Trends, And Governing Factors - Chapter 2 doc

... articles and books on pesticides in bed sediment and aquatic biota in the United States or on processes governing sorption and bioaccumulation 2. 1 Pesticides in bed sediment and aquatic biota ... Survey, Minneapolis, Minnesota Peter D. Dileanis, U.S. Geological Survey, Sacramento, California Distribution, Trends, And Governing Factors Pesticides...

Ngày tải lên: 11/08/2014, 06:23

... sampling each matrix): Bed sediment 6 21 9 26 Aquatic biota (any) 23 20 2 39 Fish 20 173 25 Mollusks 8 32 12 Other invertebrates 4 40 19 Plants 0 8 8 Algae 0 7 2 Amphibians 0 8 5 Other aquatic biota ... studies that investigated pesticides in bed sediment or aquatic biota in rivers and streams in the United States. The publications reviewed are summariz...

Ngày tải lên: 11/08/2014, 06:23

... 57 46 0 59 2, 526 46 53 37 0 Isodrin 54 28 17 0 530 28 6 0 Isopropalin nr nr nr nr Kepone nr 28 nr 0 nr 28 nr 0 Lindane 22 798 1,065 81 0 3 17 0 48 2, 753 2, 823 82 0 1 19 0 Linuron 22 0 79 0 Malathion ... 14,868 44 ,26 3 Percent of total herbicide use: 52. 2 39.9 18.0 11 .2 8.8 31 .2 34.5 OTHER HERBICIDES Trifluralin 4 0.74 5 .23 11.43 28 .33 27 . 12 23 28 483 547 •••••• Pend...

Ngày tải lên: 11/08/2014, 06:23

... 35 Crickets 2 0 .23 62 19 19 Nassarius obsoletus, mud snail 2 0 .26 18 39 43 Gasterosteus aculeatus, threespine stickleback 2 0 .26 24 51 25 Anguilla rostrata, American eel (immature) 2 0 .28 29 43 28 Flying ... 5.4), organochlorine insecticides may persist in bed sediment and aquatic biota of forest streams, and forest soils containing organochlorine insecticide re...

Ngày tải lên: 11/08/2014, 06:23

... 19 26 42 27 31 DDD, p , p ′ - 46 4 50 43 2 55 DDE, p , p ′ - 44 124 4 4011 49 DDT 2 23 40 38 16 33 51 DDT, p , p ′ - 49 4 47 44 2 53 DDT, total 55 23 23 52 12 ... in Tiers 1–3 are quite different for DDT (23 percent in Tier 1, 40 percent in Tier 2, and 38 percent in Tier 3), than for p,p′-DDT (49 percent in Tier 1, 4 percent...

Ngày tải lên: 11/08/2014, 06:23

... insects (both indoors and outdoors), in subterranean termite control, in landscape maintenance, to control public-health pests, in industrial settings, in forestry, along roadways and rights-of-way, ... some pesticides in bed sediment and aquatic biota, at least in some areas. Pesticides used in forestry and in urban areas, like those used in agriculture, ha...

Ngày tải lên: 11/08/2014, 06:23

... of metamizole (formylaminoantipyridine and aminoantipyridine), and two micobio - l o gical metabolites (1,5-dimethyl-1 , 2- dehydro-3-pyrazolone, 4-( 2- methylethyl )-1 , 5- dimethyl-1 , 2- dehydro-3-pyrazole) were ... reported by Zuehlke et al. 27 Carbamazepine, dimethylami- nophenazone, phenazone, propyphenazone, 1-acetyl-1-methyl -2 - dimethyloxanoyl- 2- phenylhydrazid...

Ngày tải lên: 18/06/2014, 16:20

... branches representing rivers and floodplains. Along the branches h-points and Q-points are located. Flood levels are calculated at h-points and discharge at Q-points. Source: FAP 25 , 1994. In order to ... by India and Pakistan. The alluvial plains of the Indus basin cover an area of 20 7, 20 0 km 2 , which is approximately 25 % of the land area of Pakistan (WCD, 20 00). Fiv...

Ngày tải lên: 18/06/2014, 19:20

... h 23 5 U 23 1 Pa 22 7 Ac 22 y (99%) 4 s 11 d 19 d 21 9 Rn 22 3 Ra 21 5 Po 22 7  21 1 Pb 8 × 10 −4 s 21 1 Bi 20 7 Tl 20 7 Pb 36 m 2. 1 m 4.8 m 22 3 Fr 22 y (1%) 22 m 3.3 × 10 4 y DK594X_book.fm Page 28 ... 10 10 y 22 8 Ra 5.8 y 6.1 h 22 8 Ac 23 2  22 8  1.9 y 56 s 0.15 s 3.7 d 21 2 Pb 21 6 Po 22 0 Rn 22 4 Ra 11 h 21 2 Bi 21 2 Po 20 8 Tl 61 m (64%) 3.1 m 61 m (3...

Ngày tải lên: 18/06/2014, 19:20

... 18,685 22 5, 026 Equity in income of joint ventures 4 ,26 2 1,947 2, 925 Net income $ 28 ,959 $ 20 ,6 32 $ 22 7,951 Note: Per share amounts omitted. SOURCE : Shaw Industries Inc., annual report, January 20 00, ... Shaw Industries Inc. (in thousands). Year Ended Jan. 3 Jan. 2 Jan. 1 1998 1999 20 00 Net sales $3,575,774 $3,5 42, 2 02 $4,107,736 Cost of sales $2, 680,4 72 $2, 6...

Ngày tải lên: 05/07/2014, 13:20