Erosion and Sediment Pollution Control Program Manual.pdf

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Page Manning’s Equation……………………………………………………………………………..127 Berm ....................................................................................................................................... 150 Top-of-Slope Berm ..................................................................................................................... 150 Temporary Slope Pipe ............................................................................................................... 153 Bench ........................................................................................................................................ 157 Chapter 7 - Sediment Basins ........................................................................................................... 159 Design Criteria ........................................................................................................................... 159 Storage Volume Criteria ............................................................................................................. 164 Design Procedure ...................................................................................................................... 164 Skimmer Dewatering .................................................................................................................. 166 Perforated Riser Dewatering ...................................................................................................... 174 Freeboard .................................................................................................................................. 192 Emergency Spillway ................................................................................................................... 192 Flow Length to Width Ratio ........................................................................................................ 199 Outlet Barrels ............................................................................................................................. 202 Anti-seep Collar ......................................................................................................................... 203 Filter Diaphragm ........................................................................................................................ 209 Sediment Storage Zone Dewatering .......................................................................................... 211 Chapter 8 - Sediment Traps ............................................................................................................. 212 Design Criteria ........................................................................................................................... 212 Embankment Sediment Trap ...................................................................................................... 214 Barrel/Riser Sediment Trap ........................................................................................................ 217 Chapter 9 - Outlet Protection ........................................................................................................... 229 Riprap Apron .............................................................................................................................. 232 Flow Transition Mat .................................................................................................................... 242 Stilling Basin (Plunge Pool) ........................................................................................................ 245 Stilling Well ................................................................................................................................ 248 Energy Dissipater ....................................................................................................................... 251 Drop Structure............................................................................................................................ 252 Earthen Level Spreader ............................................................................................................. 253 Structural Level Spreader .......................................................................................................... 255 Chapter 10 - Low Hazard Individual Lot E&S Plans ......................................................................... 256 Chapter 11 - Stabilization Methods and Standards .......................................................................... 260 Surface Roughening .................................................................................................................. 260 Stair Step Grading .......................................................................................................... 260 Grooving Slopes ............................................................................................................. 261 Tracking Slopes .............................................................................................................. 262 Vegetative Stabilization .............................................................................................................. 262 Topsoil Application ......................................................................................................... 263 Seeding .......................................................................................................................... 263 Mulching ......................................................................................................................... 270 Composting .................................................................................................................... 271 Erosion Control Blankets ............................................................................................................ 273 Hydraulically Applied Blankets ........................................................................................ 275 Soil Binders ................................................................................................................................ 276 Sodding...................................................................................................................................... 277 Cellular Confinement Systems ................................................................................................... 280 Chapter 12 - New Products and Procedures .................................................................................... 282 Chapter 13 - Utility Line Projects ...................................................................................................... 283 Roadway Crossings ................................................................................................................... 284 Stream Crossings ...................................................................................................................... 284 Wetland Crossings ..................................................................................................................... 290 363-2134-008 / March 31, 2012 / Page v
Waterbars .................................................................................................................................. 292 Chapter 14 - Timber Harvesting ....................................................................................................... 294 Haul Roads ................................................................................................................................ 294 Skid Roads and Skid Trails ........................................................................................................ 297 Log Landings ............................................................................................................................. 298 Winter Harvests ......................................................................................................................... 300 Retirement of Haul Roads, Skid Roads, Skid Trails, and Landings ............................................ 302 Chapter 15 - Streambank Stabilization ............................................................................................. 303 Vegetation .................................................................................................................................. 303 Riprap ........................................................................................................................................ 304 Gabions ..................................................................................................................................... 307 Grid Pavers ................................................................................................................................ 310 Cellular Confinement Systems ................................................................................................... 312 Miscellaneous Hard Armor Techniques ...................................................................................... 313 Fluvial Geomorphology (FGM) Techniques ................................................................................ 313 Bioengineering ........................................................................................................................... 314 Live Stakes ..................................................................................................................... 314 Live Fascines ................................................................................................................. 316 Branchpacking ................................................................................................................ 319 Fabric Encapsulated Soil ................................................................................................ 321 Fiber Rolls ...................................................................................................................... 323 Chapter 16 - Grading Standards ...................................................................................................... 325 Chapter 17 - Areas of Special Concern ............................................................................................ 327 Sinkhole Repair .......................................................................................................................... 327 Erosion and Sediment Pollution Control Practices for Contaminated Sites ................................. 332 NPDES Permits Involving Site Remediation and Redevelopment ................................... 340 Special Protection Watersheds .................................................................................................. 343 Policy ............................................................................................................................. 343 Antidegradation .............................................................................................................. 343 Nondischarge Alternatives .................................................................................. 344 Antidegradation Best Available Combination of Technologies (ABACT) .............. 344 ABACT BMPs for E&S Plans .............................................................................. 345 Slope Failures ............................................................................................................................ 347 Geothermal Well Drilling ............................................................................................................ 351 Appendix A - Checklists ................................................................................................................... 354 Complete Plan Checklist ............................................................................................................ 355 Standard E&S Control Plan Technical Review Checklist ............................................................ 357 Expanded E&S Control Plan Technical Review Checklist .......................................................... 360 Appendix B - Standard E&S Worksheets ......................................................................................... 371 Appendix C - Standard E&S Plan Notes .......................................................................................... 394 Appendix D - Standards for Maps and Drawings.............................................................................. 397 Appendix E - Soil Use Limitations .................................................................................................... 400 Appendix F - Energy Dissipaters ...................................................................................................... 410 Roughness Element Dissipater .................................................................................................. 411 Impact Dissipater ....................................................................................................................... 426 Appendix G - Technical Paper: “Level Spreaders and Off-site Discharges of Stormwater to Nonsurface Waters” .......................................................................................................... 430 Appendix H - Dust Control ............................................................................................................... 451 Appendix I - Publication: “A Guide to Preserving Trees in Development Projects” by William Elmendorf of The Pennsylvania State University (1999) ................................ 454 Appendix J - Publication: “Understanding Tree Planting in Construction-damaged Soils” by William Elmendorf of The Pennsylvania State University (2008) ............................................. 483 363-2134-008 / March 31, 2012 / Page vi Page
Page 1 and 2: EROSION AND SEDIMENT POLLUTION CONT
Page 3 and 4: FOREWORD The various Best Managemen
Page 5: TABLE OF CONTENTS Page Foreword ...
Page 9 and 10: Table Number Name Page 11.4 Recomme
Page 11 and 12: Figure Number Name Page 7.7 Graphic
Page 13 and 14: STANDARD CONSTRUCTION DETAILS Numbe
Page 15 and 16: CHECKLISTS, STANDARD E&S WORKSHEETS
Page 17 and 18: are cases where sheet flow has occu
Page 19 and 20: is replaced following earthmoving,
Page 21 and 22: CHAPTER 1 - REQUIRED E&S PLAN CONTE
Page 23 and 24: topography of the site should be in
Page 25 and 26: efore earth disturbance occurs with
Page 27 and 28: is classified as High Quality (HQ)
Page 29 and 30: install the proposed perimeter BMPs
Page 31 and 32: detail(s) for the specific BMP. In
Page 33 and 34: CHAPTER 3 - SITE ACCESS This chapte
Page 35 and 36: ROCK CONSTRUCTION ENTRANCE WITH WAS
Page 37 and 38: RUMBLE PAD Pre-constructed rumble p
Page 39 and 40: 3 feet should be avoided wherever p
Page 41 and 42: WATERBAR - Sediment Removal Efficie
Page 43 and 44: BROAD-BASED DIP - Sediment Removal
Page 45 and 46: USDA Forest Service STANDARD CONSTR
Page 51 and 52: DITCH RELIEF CULVERT (Cross Drains)
Page 53 and 54: TURNOUT - Sediment Removal Efficien
Page 55 and 56: STANDARD CONSTRUCTION DETAIL #3-11
Page 57 and 58:
3. Temporary bridges should be inst
Page 59 and 60:
PA DEP STANDARD CONSTRUCTION DETAIL
Page 61 and 62:
WETLAND CROSSING Wetland crossings
Page 63 and 64:
Adapted from PA DEP GP-8 FIGURE 3.8
Page 65 and 66:
FIGURE 3.10 Rigid or Flexible Pipe
Page 67 and 68:
PA DEP FIGURE 3.12 In-stream Coffer
Page 69 and 70:
EARTHWORK WITHIN LAKES AND PONDS NO
Page 71 and 72:
FIGURE 3.15 Turbidity Barrier Insta
Page 73 and 74:
DEWATERING WORK AREAS - Wherever wa
Page 75 and 76:
(Additional Notes for Standard Cons
Page 77 and 78:
SITE HOUSEKEEPING AND MATERIALS MAN
Page 79 and 80:
Prefabricated Washout Containers Ca
Page 81 and 82:
CHAPTER 4 - SEDIMENT BARRIERS AND F
Page 83 and 84:
The maximum slope length above a co
Page 85 and 86:
STANDARD CONSTRUCTION DETAIL #4-1 C
Page 87 and 88:
COMPOST FILTER BERM - Sediment Remo
Page 89 and 90:
Installation - Compost filter berms
Page 91 and 92:
STANDARD CONSTRUCTION DETAIL # 4-4
Page 93 and 94:
ROCK FILTER OUTLET - Sediment Remov
Page 95 and 96:
York County Conservation District 3
Page 97 and 98:
Wherever there is a break or change
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
A chain link fence should be instal
Page 105 and 106:
SEDIMENT FILTER LOG (FIBER LOG) - S
Page 107 and 108:
WOOD CHIP FILTER BERM - Sediment Re
Page 109 and 110:
STRAW BALE BARRIER - Sediment Remov
Page 111 and 112:
NRCS FIGURE 4.4 Straw Bale Barrier
Page 113 and 114:
A one foot thick layer of AASHTO #5
Page 115 and 116:
The total width of the filter strip
Page 117 and 118:
INLET FILTER BAG - Sediment Removal
Page 119 and 120:
Page 121 and 122:
Adapted from Maine DEP Maximum drai
Page 123 and 124:
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
TABLE 5.1 Pennsylvania Rainfall by
Page 131 and 132:
LAND USE < 2% TABLE 5.2 Runoff Coef
Page 133 and 134:
TR-55 Shallow Concentrated Flow Tha
Page 135 and 136:
Figure 5.2 - RAINFALL REGION MAP A
Page 137 and 138:
Figure 5.6 - RAINFALL REGION MAP E
Page 139 and 140:
TABLE 5.6 5-Minute through 24-Hour
Page 141 and 142:
TABLE 5.8 5-Minute through 24-Hour
Page 143 and 144:
Drainage Area (A) - Determine the d
Page 145 and 146:
Determination of Time of Concentrat
Page 147 and 148:
CHAPTER 6 - RUNOFF CONVEYANCE BMPs
Page 149 and 150:
DESIGN PROCEDURE 1. Calculate the r
Page 151 and 152:
TABLE 6.3 Manning’s “n” for T
Page 153 and 154:
National Technical Information Serv
Page 155 and 156:
TABLE 6.6 Riprap Gradation, Filter
Page 157 and 158:
TABLE 6.9 Recommended n Values to b
Page 159 and 160:
TABLE 6.10 Maximum Permissible Velo
Page 161 and 162:
It should be noted that Guernsey si
Page 163 and 164:
Channel #1 (Diversion Channel) on W
Page 165 and 166:
Channel #1 Segments “A” and “
Page 167 and 168:
No more than one third of the shoot
Page 169 and 170:
Stackhouse Bensinger, Inc. STANDARD
Page 171 and 172:
Adapted from North Carolina DENR ST
Page 173 and 174:
TEMPORARY SLOPE PIPE - Temporary sl
Page 175 and 176:
Page 177 and 178:
BENCH - Benches (a.k.a. gradient te
Page 179 and 180:
CHAPTER 7 - SEDIMENT BASINS DESIGN
Page 181 and 182:
14. The discharge from a sediment b
Page 183 and 184:
Adapted from VA SWCC PA DEP FIGURE
Page 185 and 186:
Develop a Stage Storage Curve. Use
Page 187 and 188:
Page 189 and 190:
Sediment shall be removed from the
Page 191 and 192:
Page 193 and 194:
FIGURE 7.2 Skimmer Orifice Design C
Page 195 and 196:
The principal spillway should be an
Page 197 and 198:
Adapted from USDA, NRCS FIGURE 7.3
Page 199 and 200:
H TABLE 7.3 - PIPE FLOW CAPACITY n
Page 201 and 202:
Page 203 and 204:
Page 205 and 206:
Page 207 and 208:
TABLE 7.4 Concrete Base Requirement
Page 209 and 210:
Embedded section of aluminum or alu
Page 211 and 212:
Wherever total basin dewatering is
Page 213 and 214:
Page 215 and 216:
Riprap at toe of embankment shall b
Page 217 and 218:
Head TABLE 7.6 - GRASS-LINED EMERGE
Page 219 and 220:
4. Once the depth of flow through t
Page 221 and 222:
Page 223 and 224:
Anti-seep Collar Wherever soils sus
Page 225 and 226:
4. The maximum spacing between coll
Page 227 and 228:
Adapted from PennDOT RC-70 STANDARD
Page 229 and 230:
FILTER DIAPHRAGM Filter diaphragms
Page 231 and 232:
Sediment Storage Zone Dewatering Pr
Page 233 and 234:
4. Greater surface area increases t
Page 235 and 236:
Page 237 and 238:
Barrel/Riser Sediment Trap - This d
Page 239 and 240:
Accumulated sediment shall be remov
Page 241 and 242:
Page 243 and 244:
Wherever total trap dewatering is r
Page 245 and 246:
At a minimum, outlet protection sho
Page 247 and 248:
Page 249 and 250:
CHAPTER 9 - OUTLET PROTECTION As a
Page 251 and 252:
FIGURE 9.1 Velocity Adjustment Nomo
Page 253 and 254:
endwall. For discharges directly in
Page 255 and 256:
Page 257 and 258:
Adapted from USDA NRCS STANDARD CON
Page 259 and 260:
Adapted from USDA - NRCS FIGURE 9.3
Page 261 and 262:
Determine whether maximum or minimu
Page 263 and 264:
Adapted from ScourStop FIGURE 9.5 T
Page 265 and 266:
STILLING BASIN (Plunge Pool) - Stil
Page 267 and 268:
Adapted from USDOT, FHWA HEC 14 FIG
Page 269 and 270:
Using the pipe slope (V:H) determin
Page 271 and 272:
ENERGY DISSIPATER Energy dissipater
Page 273 and 274:
EARTHEN LEVEL SPREADER LOCATION - E
Page 275 and 276:
STRUCTURAL LEVEL SPREADER LOCATION
Page 277 and 278:
The E&S plan should include such in
Page 279 and 280:
Wherever the slope parallels the ro
Page 281 and 282:
VA SWCC FIGURE 11.1 Stair Step Grad
Page 283 and 284:
TOPSOIL APPLICATION Graded areas sh
Page 285 and 286:
Site conditions such as soil limita
Page 287 and 288:
Species Warm-Season Grasses Deerton
Page 289 and 290:
6. Use only in extreme southeastern
Page 291 and 292:
Synthetic binders, or chemical bind
Page 293 and 294:
EROSION CONTROL BLANKETS - There ar
Page 295 and 296:
HYDRAULICALLY APPLIED BLANKETS Hydr
Page 297 and 298:
PAM Specifications Anionic PAM mixt
Page 299 and 300:
Adapted from VA DSWC FIGURE 11.5 So
Page 301 and 302:
City of Portland, BDS FIGURE 11.6 T
Page 303 and 304:
CHAPTER 13 - UTILITY LINE PROJECTS
Page 305 and 306:
more viable. HDD may be considered
Page 307 and 308:
STANDARD CONSTRUCTION DETAIL #13-1
Page 309 and 310:
Page 311 and 312:
Page 313 and 314:
PA DEP FIGURE 13.1 Waterbar Install
Page 315 and 316:
The following points should be cons
Page 317 and 318:
SKID ROADS AND SKID TRAILS The prim
Page 319 and 320:
The diversion channel should have a
Page 321 and 322:
PA Timber Harvesting Packet FIGURE
Page 323 and 324:
CHAPTER 15 - STREAMBANK STABILIZATI
Page 325 and 326:
Figure 15.1 Riprap Streambank Prote
Page 327 and 328:
GABIONS and Reno mattress have been
Page 329 and 330:
PA DEP FIGURE 15.4 Reno Mattress St
Page 331 and 332:
Adapted from VA DSWC FIGURE 15.5 Gr
Page 333 and 334:
MISCELLANEOUS HARD ARMOR TECHNIQUES
Page 335 and 336:
Natural colonization by surrounding
Page 337 and 338:
INSTALLATION GUIDELINES Prepare the
Page 339 and 340:
Branchpacking is the alternating of
Page 341 and 342:
Fabric encapsulated soil is often u
Page 343 and 344:
Fiber rolls, or coir logs, are cyli
Page 345 and 346:
CHAPTER 16 - GRADING STANDARDS PA D
Page 347 and 348:
CHAPTER 17 - AREAS OF SPECIAL CONCE
Page 349 and 350:
Adapted from USDA NRCS FIGURE 17.2
Page 351 and 352:
Adapted from USDA NRCS FIGURE 17.4
Page 353 and 354:
enter the Act 2 Program, which is a
Page 355 and 356:
No RECOMMENDED PROCESS FOR SITES WI
Page 357 and 358:
Common Contaminants of Concern: Two
Page 359 and 360:
Structural (Stabilization) Erosion
Page 361 and 362:
ii. The siting and function of any
Page 363 and 364:
SPECIAL PROTECTION WATERSHEDS Sourc
Page 365 and 366:
impacts, including suitability of g
Page 367 and 368:
SLOPE FAILURES PA DEP The Problem I
Page 369 and 370:
TABLE 17.1 PROCESSES LEADING TO LAN
Page 371 and 372:
GEOTHERMAL WELL DRILLING Source Unk
Page 373 and 374:
Well (or Total Well Field) Flows Gr
Page 375 and 376:
Project: COMPLETE PLAN CHECKLIST A.
Page 377 and 378:
STANDARD E&S CONTROL PLAN TECHNICAL
Page 379 and 380:
“A maintenance program, which pro
Page 381 and 382:
Complies Deficient N/A Hydric soils
Page 383 and 384:
Complies Deficient N/A Removal of t
Page 385 and 386:
Complies Deficient N/A Standard E&S
Page 387 and 388:
Sediment Traps (Chapter 8) Complies
Page 389 and 390:
Permanent Stabilization Topsoil rep
Page 391 and 392:
APPENDIX B - STANDARD E&S WORKSHEET
Page 393 and 394:
STANDARD E&S WORKSHEET #2 Compost F
Page 395 and 396:
STANDARD E&S WORKSHEET # 4 Reinforc
Page 397 and 398:
STANDARD E&S WORKSHEET # 6 Super Si
Page 399 and 400:
STANDARD E&S WORKSHEET # 8 Rock Fil
Page 401 and 402:
STANDARD E&S WORKSHEET # 10 Rationa
Page 403 and 404:
STANDARD E&S WORKSHEET # 12 Sedimen
Page 405 and 406:
E L E V A T I O N (FT) STANDARD E&S
Page 407 and 408:
STANDARD E&S WORKSHEET # 16 Sedimen
Page 409 and 410:
BASIN NO. TEMP. OR PERM. Y (FT) Z S
Page 411 and 412:
STANDARD E&S WORKSHEET # 20 Riprap
Page 413 and 414:
STANDARD E&S WORKSHEET # 22 PLAN PR
Page 415 and 416:
15. Until the site is stabilized, a
Page 417 and 418:
APPENDIX D - STANDARDS FOR MAPS AND
Page 419 and 420:
PLAN DRAWINGS Each bit of informati
Page 421 and 422:
e carefully preserved and stored fo
Page 423 and 424:
SOIL NAME CUTBANKS CAVE CORROSIVE T
Page 425 and 426:
Page 427 and 428:
Page 429 and 430:
Page 431 and 432:
ROUGHNESS ELEMENT DISSIPATER - This
Page 433 and 434:
2. Determine Discharge Velocity (VO
Page 435 and 436:
From Figure F.8, VA/VO = 1.05 VA =
Page 437 and 438:
Yo / D FIGURE F.4 Dimensionless Rat
Page 439 and 440:
USDOT, FHWA HEC 14 FIGURE F.6 Flow
Page 441 and 442:
FIGURE F.8 Average Velocity in Abru
Page 443 and 444:
FIGURE F.10 Average Depth for Abrup
Page 445 and 446:
FIGURE F.12 Riprap Size for Use Dow
Page 447 and 448:
EXAMPLE - Given: Circular Concrete
Page 449 and 450:
USDOT, FHWA HEC 14 FIGURE F.14 Impa
Page 451 and 452:
designed to discharge all anticipat
Page 453 and 454:
Figure G.1. Convex Contours and Slo
Page 455 and 456:
Figure G.2. Turf Reinforcement Mat
Page 457 and 458:
c. For subsurface discharge level s
Page 459 and 460:
asin/trap, it should be off-line du
Page 461 and 462:
Design to Avoid Downstream Erosion
Page 463 and 464:
Down Slope Ground Cover Table G.2.
Page 465 and 466:
VIII. OUTFALL DESIGN As previously
Page 467 and 468:
Figure G.10. Rill/Gully Repair Figu
Page 469 and 470:
X. SELECTED REFERENCES Pennsylvania
Page 471 and 472:
APPENDIX H - DUST CONTROL Descripti
Page 473 and 474:
Table H.2. Adhesives Used for Dust
Page 475 and 476:
Tree Health Preserving trees is not
Page 477 and 478:
can have blocky aggregates. They ha
Page 479 and 480:
Site Characteristics—Site charact
Page 481 and 482:
Identify trees in need of care In t
Page 483 and 484:
363-2134-008 / March 31, 2012 / Pag
Page 485 and 486:
Use accurate information. The plan
Page 487 and 488:
The transplanting process requires
Page 489 and 490:
Protecting Trees During Constructio
Page 491 and 492:
geotextile. The plastic core is mad
Page 493 and 494:
Retain a qualified arborist to perf
Page 495 and 496:
Repairing Construction Injury The m
Page 497 and 498:
Tree Techniques Tree injury Tree li
Page 499 and 500:
Improve the aeration and drainage o
Page 501 and 502:
1995. Tree-Pruning Guidelines. (Gui
Page 503 and 504:
APPENDIX J - Publication: “Unders
Page 505 and 506:
ions such as calcium, magnesium, an
Page 507 and 508:
Soil Structure Is Destroyed by Comp
Page 509 and 510:
compaction in decent, fertile soils
Page 511 and 512:
A Note on Organic Materials and Ame
Page 513 and 514:
Final Strategies for Dealing with C
Page 515 and 516:
This publication is available from
Page 517 and 518:
363-2134-008 / March 31, 2012 / Pag
Page 519 and 520:
Aeration -----Mixing water with air
Page 521 and 522:
Aquiclude -----A geologic formation
Page 523 and 524:
Bedrock----- The more or less solid
Page 525 and 526:
C-Horizon -----A layer of unconsoli
Page 527 and 528:
Clay -----A fine-grained cohesive s
Page 529 and 530:
Where: Q = Flow volume (cfs) V = Fl
Page 531 and 532:
Cut and Cover -----A method of tren
Page 533 and 534:
Diabase -----A rock of basaltic com
Page 535 and 536:
E&S Plan -----Erosion and Sediment
Page 537 and 538:
E&S Plan -----A site-specific plan
Page 539 and 540:
Filter Fabric Fence -----A sediment
Page 541 and 542:
Frost Action (Soils) -----The likel
Page 543 and 544:
Grade -----1. The slope of a road o
Page 545 and 546:
Holding Structure -----Any excavati
Page 547 and 548:
Inlet Protection -----Type of BMP u
Page 549 and 550:
Level Spreader -----An earthen or m
Page 551 and 552:
Mesic -----Refers to environmental
Page 553 and 554:
NOI -----Notice of Intent Nominal S
Page 555 and 556:
Organic Soil -----Soil composed pre
Page 557 and 558:
Percolation Test -----A measure of
Page 559 and 560:
Pollutant -----Any contaminant or o
Page 561 and 562:
Range -----The geographic region in
Page 563 and 564:
stabilization; cutting of existing
Page 565 and 566:
Section 404 ----The section of the
Page 567 and 568:
Slope Protection -----A layer or fa
Page 569 and 570:
Stable Channel Flow -----Channel fl
Page 571 and 572:
stabilization techniques that consi
Page 573 and 574:
Terrace -----An earthen embankment
Page 575 and 576:
Trench Plug -----A flow obstruction
Page 577 and 578:
Vernal Pool -----Wetlands that occu
Page 579 and 580:
Y Yellowboy -----Iron oxide deposit
Page 581 and 582:
26. Filtrexx, Standard Specificatio
Page 583:
86. USEPA, National Pollutant Disch
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