USACE CERTIFICATE
OF
LABORATORY VALIDATION
SGS TEC Services, Inc.
235 Buford Drive
Lawrenceville, GA, United States
David Keyton
(770) 500-6824
has demonstrated, by abbreviated audit of its AASHTO accreditation, or by inspection of required records, equipment, procedures, facilities, and/or final reports, its proficiency to perform testing of construction materials, as established by the quality standards of AASHTO R 18 guidance and the requirements of the applicable ASTM standards.

THIS USACE CERTIFICATE OF LABORATORY VALIDATION IS ACCURATE AS OF ITS DATE AND TIME OF GENERATION:
28 NOV 2022 AT 01:09 HOURS

ALL METHODS LISTED ON THIS CERTIFICATE OF VALIDATION WILL EXPIRE ON 08/08/2024


PLEASE CONFIRM THE CURRENT VALIDATION STATUS OF THIS LABORATORY USING THE SEARCH FEATURE ON OUR PUBLIC WEBSITE: https://mtc.erdc.dren.mil

Chad A. Gartrell, PE, Director
USACE Materials Testing Center
Vicksburg, Mississippi, USA


AGGREGATE
Aggregate - C 29 - Unit Weight and Voids in Aggregate
Aggregate - C 40 - Organic Impurities
Aggregate - D 75 - Sampling
Aggregate - C 87 - Effects of Organic Impurities on Mortar Strength
Aggregate - C 88 - Sulfate Soundness
Aggregate - C 117 - Material Finer than 75 μm (No. 200) Sieve
Aggregate - C 123 - Lightweight Particles
Aggregate - C 127 - Specific Gravity & Absorption in Coarse Aggregate
Aggregate - C 128 - Specific Gravity & Absorption in Fine Aggregate
Aggregate - C 131 - Los Angeles Abrasion Resistance on Small-Size Coarse Aggregate
Aggregate - C 136 - Sieve Analysis of Aggregates
Aggregate - C 142 - Clay Lumps
Aggregate - C 295 - Petrographic Examination
Aggregate - E 329 - Standard Specification for Agencies Engaged in Construction Inspection, Testing, or Special Inspection
Aggregate - C 535 - Los Angeles Abrasion Resistance on Large Size Coarse Aggregate
Aggregate - C 566 - Total Moisture Content
Aggregate - C 641 - Staining Materials in Lightweight Aggregates
Aggregate - C 702 - Reducing Samples to Testing Size
Aggregate - C 1077 - Concrete and Concrete Aggregate Testing Standards (Quality Standards)
Aggregate - C 1252 - Uncompacted Void Content of Fine Aggregate (as influenced by particle shape, surface texture, and grading)
Aggregate - D 2419 - Sand Equivalent Value
Aggregate - D 4791 - Flat and Elongated Particles in Course Aggregate
Aggregate - D 5821 - Percentage of Fractured Particles in Coarse Aggregate


CEMENT
Cement - C 151 - Autoclave Expansion of Hydraulic Cement
Cement - C 183 - Sampling and the Amount of Testing of Hydraulic Cement
Cement - C 187 - Amount of Water Required for Normal Consistency of Hydraulic Cement Paste
Cement - C 191 - Time of Setting of Hydraulic Cement by Vicat Needle
Cement - C 266 - Time of Setting of Hydraulic-Cement Paste by Gillmore Needles
Cement - C 348 - Flexural Strength of Hydraulic-Cement Mortars
Cement - C 596 - Drying Shrinkage of Mortar Containing Hydraulic Cement
Cement - C 1012 - Length Change of Hydraulic Cement Mortars Exposed to a Sulfate Solution
Cement - C 1038 - Expansion of Hydraulic Cement Mortar Bars Stored in Water
Cement - C 1222 - Evaluation of Laboratories Testing Hydraulic Cement
Cement - C 1702 - Heat of Hydration of Hydraulic Cement Materials Using Isothermal Conduction Calorimetry


CONCRETE
Concrete - C 31 - Making and Curing Test Specimens in the Field
Concrete - C 39 - Compressive Strength of Cylindrical Specimens
Concrete - C 42 - Drilled Cores and Sawed Beams
Concrete - C 78 - Flexural Strength by Third Point Loading
Concrete - C 138 - Unit Weight and Air Content by Gravimetric
Concrete - C 143 - Slump
Concrete - C 157 - Length Change of Concrete and Mortars
Concrete - C 172 - Sampling
Concrete - C 173 - Air Content by Volumetric ***required if C231 not performed***
Concrete - C 192 - Making and Curing Test Specimens in Laboratory
Concrete - C 215 - Fundamental Frequencies of Concrete
Concrete - C 231 - Air Content by Pressure ***required if C173 not performed***
Concrete - C 232 - Bleeding of Concrete
Concrete - C 293 - Flexural Strength by Center Point Loading
Concrete - E 329 - Standard Specification for Agencies Engaged in Construction Inspection, Testing, or Special Inspection
Concrete - C 403 - Time of Setting by Penetration Resistance
Concrete - C 418 - Abrasion Resistance by Sand Blasting
Concrete - C 457 - Air-Void System by Microscopic Determination
Concrete - C 469 - Static Modulus of Elasticity and Poisson’s Ratio
Concrete - C 496 - Splitting Tensile Strength
Concrete - C 511 - Moist Cabinets, Moist Rooms, Water Storage Tanks
Concrete - C 512 - Creep of Concrete in Compression
Concrete - C 567 - Unit Mass of Structural Lightweight Concrete
Concrete - C 597 - Pulse Velocity Through Concrete
Concrete - C 617 - Capping Cylindrical Specimens
Concrete - C 642 - Density, Absorption, and Voids
Concrete - C 666 - Freezing & Thawing Concrete Specimens
Concrete - C 672 - Scaling Resistance by Deicing Chemicals
Concrete - C 684 - Making, Accel Curing, and Testing Concrete Compression Specimens (Withdrawn 2012)
Concrete - C 779 - Abrasion Resistance of Horizontal Surfaces
Concrete - C 805 - Rebound Number of Hardened Concrete
Concrete - C 827 - Change in Height at Early Ages of Cylindrical Specimens of Cementitious Mixtures
Concrete - C 856 - Petrographic Examination of Hardened Concrete
Concrete - C 878 - Restrained Expansion of Shrinkage-Compensating Concrete
Concrete - C 882 - Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear
Concrete - C 939 - Flow of Grout for Preplaced-Aggregate Concrete (Flow Cone Method)
Concrete - C 942 - Compressive Strength of Grouts for Preplaced-Aggregate Concrete in the Lab
Concrete - C 944 - Abrasion Resistance by Rotating-Cutter Method
Concrete - C 1064 - Temperature of Concrete
Concrete - C 1074 - Estimating Concrete Strength by Maturity Method
Concrete - C 1077 - Concrete and Concrete Aggregate Testing Standards (Quality Standards)
Concrete - C 1090 - Changes in Ht of Cylindrical Specs of Hyd
Concrete - C 1152 - Acid-Soluble Chloride in Concrete
Concrete - C 1202 - Electrical Indication of Concrete to Resist Chloride Ion
Concrete - C 1218 - Water-Soluble Chloride in Concrete
Concrete - C 1231 - Unbonded Caps
Concrete - C 1383 - Measuring P-Wave Speed and Thickness of Concrete Plates Using Impact-Echo Method
Concrete - C 1399 - Average Residual-Strength of Fiber-Reinforced Concrete
Concrete - C 1542 - Measuring Length of Concrete Cores
Concrete - C 1550 - Flexural Toughness of Fiber-Reinforced Concrete (Centrally Loaded Round Panel)
Concrete - C 1567 - Potential Alkali Silica Reactivity Cementitious Materials and Aggregate Accelerated Mortar Bar Method
Concrete - C 1579 - Evaluating Plastic Shrinkage Cracking of Restrained Fiber Reinforced Concrete (Steel Form Insert)
Concrete - C 1581 - Determining Age at Cracking and Induced Tensile Stress Characteristics of Mortar and Concrete Under Restrained Shrinkage
Concrete - C 1583 - Tensile Strength - Conc Surfaces - Concrete Repair Overlay - Direct Tension (Pull-off Method)
Concrete - C 1603 - Method for Measurement of Solids in Water (Concrete Mixing)
Concrete - C 1609 - Flexural Performance of Fiber-Reinforced Concrete Beam (3rd Point Loading)
Concrete - C 1610 - Static Segregation of Self-Consolidating Concrete Using Column Technique
Concrete - C 1611 - Slump Flow of Self-Consolidating Concrete
Concrete - C 1621 - Passing Ability of Self-Consolidating Concrete by J-Ring
Concrete - C 1712 - Rapid Assessment of Static Segregation Resistance of Self-Consolidating Concrete (Penetration Test)
Concrete - C 1741 - Bleed Stability of Cementitious Post-Tensioning Tendon Grout


MASONRY
Masonry - C 109 - Compressive Strength of Cement Mortars Using Cube Specimens
Masonry - C 185 - Air Content of Hydraulic Cement Mortar
Masonry - C 305 - Mechanical Mixing of Cement Pastes & Mortars of Plastic Consistency
Masonry - C 511 - Mixing Rooms, Moist Cabinets, Cure Tanks
Masonry - C 1019 - Sampling and Testing Grout
Masonry - C 1403 - Rate of Water Absorption of Masonry Mortars
Masonry - C 1437 - Flow of Hydraulic Cement Mortar
Masonry - C 1506 - Water Retention of Hydraulic Cement-Based Mortars and Plasters


ROCK
Rock - D 5240 - Evaluating Durability of Rock for Erosion Control Using Sodium Sulfate or Magnesium Sulfate
Rock - D 5312 - Durability of Rock to Freezing and Thawing
Rock - D 5313 - Durability of Rock to Wetting and Drying