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There are 972 entries started with 's'
S S WAVE Sc
SAC SACRIFICIAL ANODE SADDLE
SAFE DRINKING WATER ACT (SDWA) SAFE LOAD SAFETY FACTOR
SAFETY INDEX (Landslide) SALINA SALINE
SALINE CONTAMINATION SALINE SOIL SALINE SPRING
SALINE-ALKALI SOILS SALINITY SALINIZATION
SALMONELLA SALMONELLOSIS SALT
SALT BALANCE SALT DOME SALT FLUX
SALT HAY SALT INDEX SALT LAKE
SALT MARSH SALT PAN SALT REJECTION
SALT SPLITTING SALT WATER SALTPETER
SALT-WATER INTRUSION SALT-WATER UNDER-RUN SAMPLING WELL
SAN ANDREAS FAULT SAND SAND BOIL
SAND CLASSES SAND CLAY SAND DRAIN
SAND DRYING BED SAND DUNE SAND DUNE PATTERN
SAND DUNE TYPES SAND EQUIVALENT (SE) SAND FILTER
SAND ISLAND SAND PILE SAND PUMP DREDGE
SAND SEPARATE SANDSTONE SANE
SANITARY CONNECTION SANITARY LANDFILL SANITARY SEWER
SANITARY SEWER OVERFLOW (SSO) SANITARY SURVEY SANITARY WASTEWATER
SANTOS CONSTANT (a) SAPONIFICATION VALUE SAPONIFY
SAPROPHYTIC BACTERIA SARA SATURATED AIR
SATURATED FLOW SATURATED LIQUID SATURATED ROCK
SATURATED STEAM SATURATED UNIT WEIGHT SATURATED ZONE
SATURATION SATURATION CURVE SATURATION DEFICIT
SATURATION INDEX SATURATION LINE SATURATION ZONE
SATURATION, DEGREE OF SATURATION, OVER SAVE-ALL
SAWDUST SAWDUST CONCRETE SBA
SBC SBIR SBOD
SBPMT SBR SCAB-LAND
SCALAR SCALE SCALE DISTANCE (Blasting)
SCANNING SCANNING ELECTRON MICROSCOPE (SEM) SCAP
SCARP SCAVENGING SCD
SCFM (Unit) SCHIST SCHMUTZDECKE
SCHOOP PROCESS SCINTILLATOR (Radiation) SCOPING
SCOPING SURVEY SCORIA SCOUR
SCOURING VELOCITY SCP SCR
SCRAP WASTE RUBBER TIRE SCRAP WASTE RUBBER TIRE CHIP SCREENING
SCREENINGS SCREENINGS PRESS SCRIM (Geomembrane)
SCRUBBER SCRUBBING SCS
SCUBA SCUM SCUM BREAKER
SCUM COLLECTOR SCUM TROUGH SCWO
SDI SDWA SE
SEA SEA (Wave) SEA BOTTOM
SEA CAVE SEA CLIFF SEA CRYING
SEA FOOD SEA LEVEL SEA LEVEL DATUM
SEA SHELL (Material) SEA WAVE SEACOAST
SEACOAST HARBOR SEAFARING SEAFLOOR
SEAL SEAL OFF SEAL-COAT AGGREGATE (Pavement)
SEALED SEALING JOINTS (Pavement) SEAM
SEAMSTRESS SEASHORE SEASON
SEASONAL CREEP SEASONAL DEPLETION SEASONAL EFFECT
SEASONAL RECOVERY SEASONAL STORAGE SEASONAL VOLUME CHANGE
SEAWALL SEAWARD SEAWATER
SECANT MODULUS SECCHI DISK SECCHI DISK DEPTH
SECOND (s) (Unit) SECONDARY AMBIENT AIR QUALITY STANDARDS SECONDARY AMINES
SECONDARY BOND SECONDARY CLARIFIER SECONDARY COMPRESSION
SECONDARY COMPRESSION COEFFICIENT SECONDARY COMPRESSION SETTLEMENT SECONDARY CONSOLIDATION
SECONDARY CONSOLIDATION SETTLEMENT (Ss) SECONDARY CONTAMINANT SECONDARY EFFLUENT
SECONDARY EMISSION SECONDARY ENERGY SECONDARY ENRICHMENT
SECONDARY INTERSTICE SECONDARY MCL SECONDARY PARTICULATE POLLUTANT
SECONDARY POLLUTANT SECONDARY SLUDGE SECONDARY SOIL
SECONDARY STANDARDS SECONDARY TIME EFFECT SECONDARY TREATMENT
SECONDARY WAVE SECOND-FOOT (Unit) SECOND-FOOT DAY (Unit)
SECOND-FOOT PER SQUARE MILE (Unit) SECOND-ORDER REACTION SECOND-STAGE BIOCHEMICAL OXYGEN DEMAND
SECOND-STAGE BOD SECURE LANDFILL SEDATIVE
SEDIMENT SEDIMENT CONCENTRATION SEDIMENT DISCHARGE
SEDIMENT RUNOFF SEDIMENT SPHERICITY SEDIMENT WATER
SEDIMENTARY ROCK SEDIMENTARY SOIL SEDIMENTATION
SEDIMENTATION TANK SEDIMENTOLOGY SEEBACK EFFECT
SEEP SEEPAGE SEEPAGE BOIL
SEEPAGE COEFFICIENT SEEPAGE FORCE SEEPAGE LINE
SEEPAGE LOSS SEEPAGE PIT SEEPAGE SPRING
SEEPAGE VELOCITY SEF SEG
SEICHE (Wave) SEISMIC SEISMIC EXPLORATION
SEISMIC FORCE SEISMIC LOAD SEISMIC METHOD OF GEOPHYSICAL EXPLORATION
SEISMIC REFLECTION SEISMIC SEA WAVE SEISMIC WAVE
SEISMIC ZONE SEISMOGRAPH SEISMOLOGY
SEISMOMETER SELENITE SELENIUM
SELF-CLEANSING VELOCITY (Waste Control) SELF-DECONTAMINATION SYSTEM SELF-MULCHING SOIL
SEM SEMI-ARID SEMICONDUCTOR
SEMIFLUID SEMI-HUMID SEMI-PERMEABLE
SEMI-SOLID SENESCENT LAKE SENILE
SENSIBLE HEAT SENSITIVITY (Geotechnology) SENSITIVITY (Radiation)
SENSITIVITY RATIO SEPRALATORS SEPTAGE
SEPTIC SEPTIC TANK SEPTICITY
SEPTUM SEQUENCING AGENT SEQUENCING BATCH REACTOR (SBR)
SEQUENTIAL LAND USE SEQUESTRATION SERPENTINE
SERVICE FACTOR (SF) SESQUIOXIDE SETAC
SETPOINT SETTLEABILITY SETTLEABLE
SETTLED SLUDGE VOLUME (SSV) SETTLEMENT SETTLEMENT, CONSOLIDATION
SETTLEMENT, DISTORTION SETTLEMENT, GROSS SETTLEMENT, IMMEDIATE
SETTLEMENT, MAXIMUM SETTLEMENT, NET SETTLEMENT, PARTIAL
SETTLEMENT, SECONDARY COMPRESSION SETTLEMENT, SECONDARY CONSOLIDATION SETTLEMENT, THAW
SETTLEMENT, TOTAL SETTLEMENT, UNEQUAL SETTLING
SETTLING RESERVOIR SETTLING TANK SETTLING TUBES
SETTLING VELOCITY SETTLING VOLUME SEWAGE
SEWAGE COMPOSITION SEWAGE DISPOSAL SEWAGE FACILITIES
SEWAGE SLUDGE SEWAGE TREATMENT SEWAGE WORKS
SEWER SEWER GAS SEWERAGE
SEWERAGE SYSTEM SEWERSHED SF
SHAKING TEST SHALE SHALE OIL
SHALLOW FOUNDATION SHALLOW HOLE SHALLOW WATER
SHALLOW WATER DEPOSIT SHALLOW WATER WAVE SHANGHAI SOFT CLAY
SHAPE FACTOR SHEAR SHEAR FAILURE
SHEAR FAILURE, GENERAL SHEAR FAILURE, LOCAL SHEAR MODULUS
SHEAR PLANE SHEAR STAIN SHEAR STRENGTH
SHEAR STRENGTH, RESIDUAL SHEAR STRESS SHEAR TEST, DIRECT
SHEAR TEST, TRIAXIAL SHEAR VELOCITY SHEARING STRESS
SHEET EROSION SHEET FLOOD SHEET FLOW
SHEET ICE SHEET MOVEMENT SHEET PILING (Foundation)
SHELL-AND-TUBE HEAT EXCHANGER SHERARDIZING SHIELD VOLCANO
SHIGELLA SHINGLE SHIPWORM
SHOAL SHOALING SHOALING COEFFICIENT
SHOCK LOAD SHOCK WAVE SHORE
SHORE CURRENT SHORE DRIFT SHORE EROSION
SHORE FACE SHORE LINE SHOREWARD MASS TRANSPORT
SHORING SHORT-TERM STABILITY (Slope Stability) SHOT
SHOULDER DITCH SHOWER (Meteorology) SHRINKAGE
SHRINKAGE CRACKS SHRINKAGE INDEX SHRINKAGE LIMIT
SHRINKAGE RATIO (Rs) SHRP SHUTE WIRE
SHWL SI SI PREFIXES
SI UNIT SIC SIC NUMBER
SIDE WATER DEPTH SIDEWALL SIEROZEM SOILS
SIERRA SIEVE SIEVE ANALYSIS
SIEVE DIAMETER SIEVERT (Sv) (Unit) SIGT
SILICA SILICA SHEET SILICA/SESQUIOXIDE RATIO (SSR)
SILICATE SILICATE MINERALS SILICEOUS
SILICEOUS OOZE (Marine) SILICIFICATION SILICOSIS
SILL SILO SILT
SILT BASIN SILT CHARGE SILT DENSITY INDEX (SDI)
SILT SEPARATE SILTING SILTING BASIN
SINGLE AMPLITUDE SINGLE DEGREE OF FREEDOM SINGLE-GRAIN SOIL STRUCTURE
SINK SINKHOLE SINUOSITY
SINUOUS CHANNEL SIP SIPES
SITE SITE RECONNAISSANCE SITE REMEDIATION
SITING SKIN FRICTION SKIN OF WATER
SLACK WATER SLAG SLAKE
SLAKED LIME SLAKING SLAKING PROCESS
SLATE SLEEK SLEET
SLICK SLICKENS SLIDE
SLIGHTLY HARD (Soil Consistence) SLIGHTLY PLASTIC (Soil Consistence) SLIGHTLY STICKY (Soil Consistence)
SLIMICIDE SLIP SLOP OIL
SLOPE SLOPE FAILURE (Slope Stability) SLOPE INCLINOMETER
SLOPE STABILITY SLOPE STABILITY FACTOR SLOPE STABILITY, LONG-TERM
SLOPE STABILITY, SHORT-TERM SLOPE WASH SLOUGHING
SLOW (Soil Drainage) SLOW SAND FILTER SLOW TEST (Foundation)
SLOW TEST (Soil Testing) SLUDGE SLUDGE AGE
SLUDGE BLANKET SLUDGE BULKING SLUDGE CAKE
SLUDGE COLLECTOR SLUDGE CONDITIONING SLUDGE DEWATERING
SLUDGE DIGESTION SLUDGE DRYER SLUDGE DRYING BED
SLUDGE STABILIZATION SLUDGE VOLUME INDEX (SVI) SLUDGE, ACETYLENE
SLUDGE, ACID SLUG LOAD SLUGS (Unit)
SLUMP (Concrete) SLUMP (Rock) SLURRY
SLURRY TRENCH CUT-OFF WALLS SLURRY WALL SLURRY-SEAL SAND
SMALL QUANTITY GENERATORS (SQG) SMART SMART MATERIAL
SMART STRUCTURE SMCRA SMME
SMOG SMOG, INDUSTRIAL SMOG, LONDON-TYPE
SMOG, LOS ANGELES TYPE SMOG, PHOTOCHEMICAL SMOG, SULFUROUS
SMOKE SMOKE NUMBER (SN) SMOOTH SOIL
SN SNAG SNOW
SNOW BALANCE SNOW BROTH SNOW COVER
SNOW DENSITY SNOW DRIFT SNOW FALL
SNOW LINE SNOW MELT SNOW PACK
SNOW PELLETS SNOW RESIDUUM SNOW STORAGE
SO SOAP SOC
SOCMI SOD SODA ASH
SODA NITER SODIUM SULFITE SODIUM URANATE
SODIUM ADSOROTION RATIO (SAR) SODIUM ALUMINATE SODIUM BENTONITE
SODIUM BISULFITE SODIUM CARBONATE SODIUM CLAY
SODIUM CONTENT SODIUM CYANIDE SODIUM CYCLE EXCHANGE
SODIUM HEXAMETAPHOSPHATE SODIUM HYDROXIDE SODIUM HYPOCHLORITE
SODIUM METABISULFITE SODIUM MONTMORILLONITE SODIUM NITRATE
SOFT (Soil Consistence) SOFT COAL SOFT HAIL
SOFT ROCK SOFT SILICA SOFT WATER
SOFTENING SOFTENING, WATER SOIL (Engineering )
SOIL (Geological) SOIL (Pedological) SOIL ABSORPTION TEST
SOIL ACIDITY SOIL ACTIVITY SOIL AERATION
SOIL AMPLIFICATION (Earthquake) SOIL ANCHOR SOIL BINDER
SOIL BORING SOIL BORING LOG SOIL CHEMISTRY
SOIL CHRONOSEQUENCE SOIL CLASSIFICATION SYSTEMS SOIL COMPACTION
SOIL CONSISTENCE SOIL CONSISTENCE-PLASTICITY SOIL CONSISTENCE-STICKINESS
SOIL CONSISTENCE-UNUSUAL CONDITIONS SOIL CONSISTENCE-WHEN DRY SOIL CONSISTENCE-WHEN MOIST
SOIL CONSISTENCE-WHEN WET SOIL CONSISTENCY SOIL CREEP
SOIL DAMPING (Foundation) SOIL DISCHARGE SOIL DRAINAGE
SOIL DRAINAGE CLASSES SOIL DRAINAGE-INTERNAL SOIL DRAINAGE-PERMEABILITY
SOIL DRAINAGE-RUNOFF SOIL EROSION SOIL EROSION DAMAGES
SOIL EVAPORATION SOIL FERTILITY SOIL FLUSHING
SOIL HORIZON SOIL HORIZON-Ao HORIZON SOIL HORIZON-A-HORIZON
SOIL HORIZON-B-HORIZON SOIL HORIZON-C-HORIZON SOIL HORIZON-D-HORIZON
SOIL HORIZON-MASTER HORIZON SOIL HORIZON-R-HORIZON SOIL LIME
SOIL MECHANICS SOIL MOISTURE SOIL NAILS
SOIL PHYSICOCHEMISTRY SOIL PHYSICS SOIL PROFILE
SOIL PROFILE, PEDALOGICAL SOIL RESIN SOIL SCIENCE
SOIL SEPARATE SOIL SERIES SOIL SLOPE
SOIL SPRING CONSTANT SOIL STABILIZATION SOIL STRATA
SOIL STRUCTURE SOIL SURVEY SOIL SUSPENSION
SOIL TECHNOLOGY SOIL TYPE SOIL WASHING
SOIL WATER SOIL, MAN-MADE SOIL, PRIMARY
SOIL, PURE SOIL-BITUMEN SOIL-CEMENT
SOIL-FORMING FACTOR SOILS AND FOUNDATIONS SOILS ENGINEERING
SOIL-WATER BELT SOIL-WATER DIFFUSIVITY SOIL-WATER INTERACTION
SOIL-WATER SUCTION SOIL-WATER SUCTION MEASUREMENT SOIL-WATER SUCTION UNITS
SOIL-WATER SYSTEM SOIL-WATER TABLE SOL
SOLAR SOLAR CONSTANT SOLAR ENERGY
SOLAR HEAT SOLAR POND SOLAR POWER
SOLAR STILL SOLAR SYSTEM SOLAR WIND
SOLENOID (Magnetism) SOLID SOLID MECHANICS
SOLID WASTE SOLID WASTE DISPOSAL ACT SOLID WASTE MANAGEMENT ACT, PENNSYLVANIA (ACT 97)
SOLIDIFICATION SOLIDIFY SOLIDS BALANCE
SOLIDS CONTACT CLARIFIER SOLIDS FLUX SOLIDS LOADING RATE (Wastewater Treatment)
SOLIDS PRODUCTION (Sludge) SOLIDS RETENTION TIME (SRT) SOLID-SOLUTION PHASE
SOLIFLUCTION SOLODIZED SOIL SOLONCHAK SOILS
SOLONETZ SOILS SOLOTH SOILS SOLUBILITY
SOLUBILITY PRODUCT SOLUBLE SOLUM
SOLUTE SOLUTION SOLUTION, TRUE
SOLVENT SOLVENT EXTRACTION SOMEWHAT EXCESSIVELY DRAINED (Soil Drainage)
SONE SOOT SOP
SORBENT SORPTION SORTING
SORTING COEFFICIENT (So) SOUND SOUND WAVE
SOUNDING SOUR SOUR ENVIRONMENT
Sox SOXHLET EXTRACTION METHOD SPCC
SPECIES SPECIFIC ABSORPTION SPECIFIC ADSORPTION
SPECIFIC CONDUCTANCE SPECIFIC DISCHARGE SPECIFIC GRAVITY
SPECIFIC GRAVITY OF SOLIDS SPECIFIC GRAVITY, APPARENT SPECIFIC GRAVITY, BULK
SPECIFIC GRAVITY, MASS SPECIFIC HEAD SPECIFIC HEAT
SPECIFIC HEAT CAPACITY (unit) SPECIFIC HUMIDITY SPECIFIC OXYGEN UP TAKE RATE (SOUR)
SPECIFIC PERMEABILITY SPECIFIC RESISTANCE SPECIFIC RETENTION
SPECIFIC SURFACE SPECIFIC WEIGHT SPECIFIC YIELD
SPECTROPHOTOMETER SPECTRUM SPEED
SPEED COEFFICIENT SPENT REGENERANT SPHAEROTILUS
SPHERICITY (Ψ) SPILL SPIN
SPOILS, MINING SPONGY (Soil Consistence) SPONTANEOUS LIQUEFACTION
SPORE SPRAY DRYER SPRAY IRRIGATION
SPRING SPRING WATER SPT
SPUDDING SQG SRT
SS SSA SSD
SSG SSO SSSA
SST SSV ST. VENANT'S THEORY
STABILITY FACTOR (Slope Stability) STABILITY NUMBER (Ns) (Slope Stability) STABILITY, ATMOSPHERIC
STABILITY, SLOPE STABILIZATION STABILIZATION LAGOON
STABILIZATION OF HAZARDOUS WASTE STABILIZATION POND STACK
STACK EFFECT STAGE STAGNANT
STAINLESS STEEL STANDARD AASHTO COMPACTION TEST STANDARD ATMOSPHERIC PRESSURE (atm) (Unit)
STANDARD INDUSTRIAL CLASSIFICATION (SIC) STANDARD INDUSTRIAL CODE (SIC) STANDARD METHODS
STANDARD OXIDATION-REDUCTION POTENTIALS (SOP) STANDARD PENETRATION (SPT) TEST STANDARD PENETRATION RESISTANCE
STANDARD PROCTOR COMPACTION TEST STANDARD PROCTOR MAXIMUM DENSITY STANDARD REDUCTION POTENTIAL (SRP)
STANDARD SAND STANDARD SEAWATER STANDARD SIEVE SERIES
STANDING WAVE STANDPIPE STANDPIPE-TYPE WELL (Groundwater)
STAPLING STARCH STATCOULOMB (Unit)
STATE IMPLEMENTATION PLANS (SIPs) STATE OF MATTER STATE SITING REGULATIONS
STATIC HEAD STATIC PILE COMPOSTING (Waste Control) STATIONARY WAVES
STEADY FLOW STEADY NONUNIFORM FLOW STEADY STATE
STEADY UNIFORM FLOW STEAM STRIPPER STEARIC ACID
STEL STENOTHERMOPHILES STEP AERATION
STEPO STERADIAN (sr) STERILE
STERILIZATION STERNUTATOR STICKY (Soil Consistence)
STICKY LIMIT (Tω ) STIFF & DAVIS INDEX STIFF (Soil Consistence)
STIFFNESS STILL STILLING WELL
STOCK SOLUTION STOICHIOMETRIC STOICHIOMETRY
STOKE (Unit) STOKES LAW STONE
STONE COLUMNS STOP LOG STOPPING POWER (Radiation)
STORAGE STORAGE COEFFICIENT STORAGE FACILITY
STORAGE LAGOON STORAGE TANK STORM
STORM DRAIN STORM FLOW STORM RUNOFF
STORM SEEPAGE STORM SEWAGE STORM SEWER
STORM SURGE STORM TIDE STORM WATER
STORM, THUNDER STP STRAIN
STRAIN, LATERAL STRAIN, NATURAL STRAIN, TRUE
STRAINER STRAIN-HARDENING STRAIT
STRAP FOOTING STRATA STRATIFICATION
STRATIFIED STRATIGRAPHY STRATOSPHERE
STRATUS CLOUD STRAY CURRENT CORROSION STREAM
STREAMING CURRENT STREAMING CURRENT DETECTOR (SCD) STRENGTH
STRESS STRESS CORROSION CRACKING STRESS PATH
STRESS RELAXATION STRESS RELIEF STRESS RELIEVING
STRESS RUPTURE STRESS, TRUE STRIP MINING
STRIPPER STRONG ACID STRUCTURAL GEOLOGY
STRUCTURE STRUCTURE, FOUNDATION STRUCTURE, HYDRAULIC
STRUCTURE, SOIL STRUCTURE, UNDERGROUND SUBBASE
SUBDRAINAGE SUBDUCTION SUBGRADE
SUBGRADE SURFACE SUBHORIZONS SUBITUMINOUS COAL
SUBLIMATION SUBMERGED TUBE EVAPORATOR SUBNATANT
SUBSIDENCE SUBSIDENCE INVERSIONS SUBSIDENCE, PAVEMENT
SUBSIDENCE, DEWATERING SUBSIDENCE, MINING SUBSOIL
SUBSOIL DRAINAGE SUBSONIC FLOW SUBSTRATE
SUBSTRATE LEVEL PHOSPHORYLATION SUBSURFACE DRAINAGE SUBSURFACE EROSION
SUBSURFACE FLOW SUBSURFACE RUNOFF SUBSURFACE SOIL LAYER
SUBSURFACE WATER SUCTION SUCTION DREDGE
SUCTION, SOIL WATER SUDD SUGAR
SUGAR-CANE BAGASSE SUIT IN EQUITY (Waste Control) SULFAMIC ACID
SULFATE REDUCING BACTERIA SULFONATOR SULFUR
SULFUR OXIDES (SOx) SULFURIC ACID SULFUROUS SMOG
SULLAGE SULPHUR SULPHUR DIOXIDE
SULPHURIC ACID SULPHUROUS ACID ANHYDRIDE SUMP (Hydraulics)
SUMP (Waste Control) SUMP PUMP SUPER HEATED STEAM
SUPERCOOL SUPERCOOLING SUPERCRITICAL WATER OXIDATION (SCWO)
SUPERFUND SUPERFUND AMMENDMENTS AND REAUTHORIZATION ACT (SARA) SUPERFUND INNOVATIVE TECHNOLOGY EVALUATION (SITE)
SUPERHEAT SUPERNATANT SUPERPAVE
SUPER-SATURATION SUPPORT GRAVEL SURCHARGE STORAGE
SURF SURF BEAT SURF ZONE
SURFACE SURFACE AERATION SURFACE AERATOR
SURFACE BARRIER WORKING LEVEL MONITOR (Radiation) SURFACE CATALYST SURFACE CONTAMINATION
SURFACE DETENTION SURFACE DRAG SURFACE DRAINAGE
SURFACE EVAPORATION SURFACE FLOW SURFACE GRAVITY WAVE
SURFACE IMPOUNDMENT SURFACE LOADING RATE (Wastewater Treatment) SURFACE MINING
SURFACE MINING CONTROL AND RECLAMATION ACT (SMCRA) SURFACE PRESSURE SURFACE RUNOFF
SURFACE SLOPE SURFACE SOIL SURFACE TENSION
SURFACE WASH SURFACE WATER SURFACE WATER WAVE
SURFACE WAVE SURFACE WAVE (Earthquake) SURFACE, FAILURE
SURFACE-WAVE MAGNITUDE (Earthquake) SURFACTANT SURGE-FLOW IRRIGATION
SURVEY UNIT SUSPENDED GROWTH PROCESS SUSPENDED GROWTH REACTOR
SUSPENDED LOAD SUSPENDED SEDIMENT SUSPENDED SOLIDS (SS)
SUSPENDED WATER SUSPENDOIDS SUSPENSION
SUSPENSOID SUSQUEHAMA SOIL Sv (Unit)
SVE SVI SVP
SWALE SWAMP SWAMP GAS
SWANA SWARM (Earthquake) SWDA
SWEEP FLOCCULATION SWEET ENVIRONMENT SWEET WATER
SWEETEN SWELL (Wave) SWELL INDEX (cs)
SWELLING SWELLING RATIO SWRO
SWTR SYMBIOTIC SYNCLINE
SYNERGY SYNFUELS SYNTHETIC RUBBER
SYNTHETIC WAXES SYSTEM Systems of Units




ENVIRONMENTAL GEOTECHNOLOGY DICTIONARY
Edited By
Hsai-Yang Fang, Ph.D
Professor Emeritus
Lehigh University. Bethlehem, PA
Distinguished Fellow
Global Institute for Energy & Environmental Systems
The University of North Carolina at Charlotte, Charlotte, NC

Copyright Reserved 2006

Environmental geotechnology is a relatively new and interdisciplinary subject, which covers soil, water and rock and their interaction with various environmental cycles including the atmosphere, biosphere, hydrosphere, lithosphere, as well as geomicrobiosphere. To tackle this complex subject, it is necessary to have knowledge from other disciplinary fields including agricultural science, biology, environmental science, geology, microbiology, mineralogy, and physicochemistry. Therefore, a uniform glossary of terms, definitions, nomenclature, abbreviation, acronym, symbols and units is needed for general discussions, reports and documents to minimize confusion and to improve the effectiveness for the environmental aspects of geotechnical problems. Some important information is collected, compiled and edited, and in spite of careful preparation of this dictionary, there cannot be avoided some missing or misinterpreted terms, typing errors, etc. The editor hopes, however, that with the aid of suggestions and criticism, there can be improvement for a later edition.
Thanks to many government agencies, professional societies and private organizations including American Society of Civil Engineers (ASCE), American Society for Testing and Materials (ASTM), Transportation Research Board (TRB), International Society of Environmental Geotechnology (ISEG), U.S. Environmental Protection Agency (EPA), U.S. Department of Energy (DOE) for providing useful documents for preparation of the dictionary. Also thanks to Prof. Charles Ochola, Villanova University, Prof. Tae-Hyung Kim, Korea Maritime University, Ms. Eleanor S. Nothelfer of Fritz Engineering Laboratory, Lehigh University and Mr. Gustavo Borel Menezes of Global Institute for Energy and Environmental Systems (GIEES), University of North Carolina at Charlotte for their assistance during various phases of preparation of the manuscript.
Acknowledgment is made to Review Committee Members for their time and willingness to review the manuscripts.

Prof. Ronald C. Chaney, Humboldt State University, Arcata, CA
Prof. John L. Daniels, The University of North Carolina at Charlotte, NC
Prof. Jeffrey C. Evans, Bucknell University, Lewisburg, PA
Prof. T. Cassia De Brito Galvao, Universidade Federal de Minas Gerais, BRAZIL
Prof. Hilary I. Inyang, The University of North Carolina at Charlotte, NC
Dr. Abidin Kaya, URS Corporation, Honolulu, HI
Prof. Jai-Young Lee, The University of Seoul, KOREA
Prof. Irene M.C. Lo, Hong Kong University of Science & Technology, Hong Kong
Prof. Horace K. Moo-Young Jr., Villanova University, PA
Dr. Jouko Saarela, Finnish Environmental Institute, FINLAND
Prof. Robert W. Sarsby, The University of Wolverhampton, U.K.
Prof. Leonardo Zeevaert, Universidad Nacional Automoma de Mexico, MEXICO
Prof. Thomas F. Zimmie, Rensselaer Polytechnic Institute, NY

Hsai-Yang Fang
February 15, 2006

Web Edition by:
Gustavo Borel Menezes, GIEES, UNC Charlotte
Simon Chung, GIEES, UNC Charlotte
Developed by: Gustavo Borel Menezes