Environmental Engineering FOURTH EDITION

Index 483

Stack sampling, 375,381-382

Standard mortality ratio (SMR), 42,4445

Standing, legal, 413

Static discharge head, 130

Static head, 121,130-132

Static suction head, 129-130

Statutory law

air pollution, 413414,421

hazardous waste, 341,345,350

Step aeration, 185-186

Stokes equation, 177,369

Storm sewers, 3, 153

Stormwater runoff, 244-245

Straining, 141-143

Streams. See also Water pollution

BOD, 84-90

effect of pollution on, 60-70,76,

81-82,233

Subadiabatic conditions, 356-358,360,

Subatomic particles, 313,318

Subsidence inversion, 358

Suction lift, 130

Sulfur dioxide

417-420

364,367

Sulfur, 58-60,287-288,304

control of, 355-356,385,399403,

measurement, 378-379

air pollution, 379,382,401402

Sulfuric acid

mining, 54

Superadiabatic conditions, 356-357,360,

Superfund Act, 75,347-348,350

Surcharges, 168,347

Surface sink absorption, 370

Surface water

reservoir capacity, 115-119

Suspended solids

environmental assessment, 22-23

measurement, 94-96

sludge, 206-207,214-216

wastewater treatment, 172-182

water pollution, 52,75,233,241,244,

water treatment, 135-150
Synergism, 39
System head curves, 131-132

364,367

247

Tapered aeration, 185-186

TCDD (2,3,7,8-tetrachlorodibenzo-p-

TCM (Tetrachloromercurate), 379

Temperature inversion, 356,364

Temporary hearing threshold shift,

Thermal stratification, 73

Thermocline, 7 1

Thermoluminescent detectors, 321

Thermophilic digestion, 213

Thickeners, 195,216-218

Three Mile Island, 9

Threshold limit value (TLV), 38-39

Thresholds of health effects, 38-39

Tile field, 169-170

Time

dioxin), 308

437440

incineration of hazardous waste, 306

vs. dosage, 39

Tip, 263

Tipping fees, 252,268

Topographic factor, 237

Torrey Canyon disaster, 63

Tort law, 411-412

Total body burden, 39

Total organic carbon. See also Carbon,

organic, 91, 103, 188

Total suspended solids, 95,212,375

Toxic substances

heavy metals, 76,209,246

Toxic Substances Control Act, 349

Traffic Noise Index (TNI), 434

Transfer stations, and solid waste, 255

Transient noise, 434-436

Transpiration, 107-108,267

Transportation pollution, 15,24,31

Transuranic waste (TRU), 325,331,

336-337

Trash, 251,259,308

Trespass, 413

Trichlorophenol herbicides, 308

Trickling filter, 183,206207,218

Tritium, 315,318,329-333

Trivalent cations, 91,136-138

Tromel screens, 282-283

Trophic levels, 55-56

Troposphere, 35 1

Turbidimeters, 92