Lake and Pond Management Guidebook - Chapter 2 ppsx
... solar-powered unit can aerate up to a 5-acre pond. For larger ponds or lakes, additional units can be added. Aerating a 2- acre pond by solar power will cost about $4600, while a 3-acre pond ... on pond depth. A small unit aerates ponds up to several acres in size for $3500. They are available from LAS Interna - tional (Bismarck, ND; Tel: 70 1 -2 2 2- 8 331; www.lasinter-...
Ngày tải lên: 11/08/2014, 10:22
... Control 2. 1 Introduction 2. 2 Nutrient Reduction Strategies 2. 2.1 Source Reduction in the Watershed 2. 2.1.1 Best Management Practices 2. 2.1 .2 Soil Testing 2. 2.1.3 Spread the Word 2. 2 .2 Fertilizer ... references (p. ). ISBN 1-5 667 0-6 3 0-0 (alk. paper) 1. Lake ecology. 2. Ecosystem management. 3. Water quality management. I. Title. QH541.5.L3 M43 20 02 639.9 2...
Ngày tải lên: 11/08/2014, 10:22
... Memphis Net and Twine Company (24 81 Matthews Ave., Memphis, TN 38108; Tel: 80 0 -2 3 8-6 380; www.memphisnet.net), or the H. Chris - tiansen Co. (4967 Arnold Road, Duluth, MN 55803; Tel: 21 8-7 2 4-5 509; ... wind-blown floating aquatic weeds. A 20 0-foot-long net should be large enough to encircle small working areas. Another approach is to link together 2- × 4-inch...
Ngày tải lên: 11/08/2014, 10:22
Lake and Pond Management Guidebook - Chapter 4 pps
... — — — 12 1 .2 1.0 — — 13 1.4 1.3 — — 14 1.6 1.7 1.0 — 15 1.9 2. 1 1 .2 — 16 2. 2 2. 5 1.5 — 17 2. 5 3.0 1.8 — 18 — 3.6 2. 2 — 19 — 4 .2 2.5 — 20 — 5.4 3.0 1.8 21 — 6.3 3.5 2. 2 22 — 7 .2 4.0 2. 7 23 — 8.0 ... 3.3 24 — 8.6 5.1 3.9 25 — 9.0 5.7 4.4 26 — 9.5 6.5 5.0 27 — — 7 .2 5.6 28 — — 8.5 6 .2 29 — — 9.3 7.0 30 — — 10.5 7.7 31 — — 12. 0 8.5 32 — — 13.8 9.3 33 — — —...
Ngày tải lên: 11/08/2014, 10:22
Lake and Pond Management Guidebook - Chapter 5 pot
... information, call D and D Products Inc., Aquarius Systems (P.O. Box 21 5, North Prairie, WI 53153; Tel: 41 4- 39 2- 2 1 62 or 80 0-3 2 8-6 555; ww w.aquarius-systems.com). A semi-amphibious front-end loader ... spoils. © 20 03 CRC Press LLC 3 928 4; Tel: 80 0-6 4 7-5 368; e-mail fsi@forestry-suppli- ers.com; www.forestry-suppliers.com). 5.5.4 DUMP TRUCK FILTRATION For sm...
Ngày tải lên: 11/08/2014, 10:22
Drought Management and Planning for Water Resources - Chapter 2 ppsx
... for marginal waters 21 2. 2.1 Agricultural irrigation 22 2. 2 .2 Ground water recharge 23 2. 2.3 Industrial reuse 24 2. 2.4 Urban reuse 24 2. 2.5 Natural and manmade wetlands 26 2. 3 Issues in marginal ... Treatment costs L16 72_ C0 02. fm Page 42 Tuesday, September 13, 20 05 3:14 PM Copyright 20 06 by Taylor & Francis Group, LLC 22 Drought Management and Plann...
Ngày tải lên: 11/08/2014, 17:22
DEFINITIONS CONVERSIONS and CALCULATIONS for OCCUPATIONAL SAFETY and HEALTH PROFESSIONALS - CHAPTER 2 ppsx
... # 1-1 Page 1-1 6 Equation # 1-9 Pages 1-1 8 & 1-1 9 Equation # 1-1 0 Pages 1-1 9 & 1 -2 0 Equation # 1-1 6 Pages 1 -2 2 & 1 -2 3 Equation # 2- 5 Pages 2- 6 & 2- 7 Solution to this Problem: Pages 2- 1 8 ... 036 10 6 . [Eqn. # 2- 5 ] C = 29 4.83 + 29 4.83 ()() () ()()() () ()() () 0 22 1 4 52 16 036 690 23 0 184 50 0 22 1 4 52 10 6...
Ngày tải lên: 10/08/2014, 20:20
Land Application of Sewage Sludge and Biosolids - Chapter 2 ppsx
... 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