Pesticides in Stream Sediment and Aquatic Biota Distribution, Trends, And Governing Factors - Chapter 7 ppsx

... 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 i...

Ngày tải lên: 11/08/2014, 06:23

... certain pesticides were expected to be found in various environmental media, including sediment and biota. In contrast, monitoring studies targeted compounds known to be found in sediment and biota. The ... studies that investigated pesticide occurrence in bed sediment and aquatic biota. A companion book (Larson and others, 19 97) reviewed studies on pesticides...

Ngày tải lên: 11/08/2014, 06:23

... from 1965 to 1 972 (Butler, 1 973 b), and again at a subset of 87 sites in 1 977 to determine trends since the previous sampling (Butler and others, 1 978 ). From 1 972 to 1 976 , estuarine fish were targeted ... pesticides in bed sediment: one in major rivers and one in coastal and estuarine areas. Five national programs measured pesticides in aquatic biota: two ta...

Ngày tải lên: 11/08/2014, 06:23

... lindane (Hamelink and others, 1 977 ), 10 percent for endrin (Grant, 1 976 ), about 50 percent for dieldrin (Reinert and others, 1 974 a); 27 62 percent for DDT (Jarvinen and others, 1 977 ); and 50 70 percent ... 5.4), organochlorine insecticides may persist in bed sediment and aquatic biota of forest streams, and forest soils containing organochlorine insecticide residue...

Ngày tải lên: 11/08/2014, 06:23

... β -, and δ -chlordene, and chlordene. 7 Based on 1 in 100,000 cancer risk. 8 Applies to sum of cis - and trans- chlordane, cis - and trans- nonachlor, and oxychlordane. HCH, ... 100 17 200 17 210 17 300 — — 17 300 Heptachlor epoxide 3 100 17 200 17 210 17 300 — 7 10 17 300 Hexachlorobenzene — 330 200...

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

... from marauding Indians and pirates. I'm not making this up. That market and its humble beginnings eventually evolved into today's mammoth New York Stock Exchange, and the corresponding road ... well-developed nations and that also measures the end or beginning of famine in emerging markets. Plain English Remember that stock index explanation from Lesson 6, whereby an avera...

Ngày tải lên: 01/07/2014, 21:20

... high-quality, high- technology industrial and consumer products. While main- taining world-class leadership in its beginnings in providing power systems and electric lighting, the company has ex- panded ... 400 Beginning inventory cloth and stuffing cost $ 21,900 Beginning inventory conversion cost $ 7, 680 June cloth and stuffing cost $315,600 June box cost $ 75 ,460 June conve...

Ngày tải lên: 02/07/2014, 22:21

... sacrifices of inanimate things (2. 37. 3) – and, finally, the good and evil daimones (2. 37. 4–2.42). In Porphyry’s thought, the evil daimones “rejoice in the ‘drink-offerings and smoking meat’ on ... pointed out that there was a decline in the ability and willingness to fund the tradi- tional festivals, including sacrifices, and that the financial base of paganism THE ANIMAL S...

Ngày tải lên: 04/07/2014, 10:20