Louisiana Department of Transportation
Baton Rouge,
Louisiana
View Accreditation Certificate
Kristopher
Wascom
Materials and Testing Laboratory
5080 Florida Boulevard
Baton Rouge
,
Louisiana
70806
Phone: (225) 248-4131
Fax: (225) 248-4187
DOTD-MatLab@la.gov
http://www.dotd.la.gov
Quality Management System - accredited since 10/15/1988
R18, C1077 (Concrete), C1222 (Cement)
Asphalt Binder - accredited since 10/15/1988
R28, T51, T53, T240, T301, T313, T315, T316, T350
Emulsified Asphalt - accredited since 10/15/1988
T59 (Residue by Distillation)
T59 (Residue by Evaporation)
T59 (Settlement and Storage Stability)
T59 (Sieve Test)
T59-T72 (Saybolt Furol Viscosity at 25°C (77°F))
T59-T72 (Saybolt Furol Viscosity at 50°C (122°F))
Asphalt Mixture - accredited since 10/15/1988
T30, T166, T209, T269, T308, T312, T324
Soil - accredited since 10/15/1988
R58, T88, T89, T90, T99, T100, T134, T180, T208, T216, T265, T296, D2435, D2850, D4318
Aggregate - accredited since 10/15/1988
R76, T11, T19, T21, T27, T84, T85, T96, T104, T112, T176, T255, T304, D4791
Concrete - accredited since 10/15/1989
M201, R60, R100 (Cylinders), R115, T22, T119, T121, T152, T196, T231 (7000 psi and below), T303, T309, C31 (Cylinders), C39, C138, C143, C172, C173, C231, C305, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below), C1260
Cement - Physical Tests - accredited since 5/1/1997
M201, R71, R115, T105 (Loss on Ignition - Reference), T106, T129, T131, T133, T137, T153, T186, T192, C109, C114 (Loss on Ignition - Reference), C183, C185, C187, C188, C191, C204, C305, C430, C451, C511, C1437
Pozzolan - Physical Tests - accredited since 4/17/2015
M201, R115, T106, T129, T133, T192, C109, C187, C188, C305, C311 (Loss on Ignition), C430, C511, C1437
Slag Cement - accredited since 4/17/2015
M201, R115, T106, T133, T137, T153, T192, C109, C185, C188, C204, C305, C430, C511, C1038, C1437
Cementitious Material - Chemical Tests - accredited since 5/1/1997
T105 / C114 (Ferric Oxide – X-Ray Fluorescence)
T105 / C114 (Magnesium Oxide – X-Ray Fluorescence)
T105 / C114 (Manganic Oxide – X-Ray Fluorescence)
T105 / C114 (Phosphorus Pentoxide – X-Ray Fluorescence)
T105 / C114 (Sodium Oxide – X-Ray Fluorescence)
T105 / C114 (Titanium Dioxide – X-Ray Fluorescence)
T105 / C114 (Zinc Oxide – X-Ray Fluorescence)
Iron and Steel - accredited since 1/31/2008
M336 / A1064 (Deformed Steel Wire: Bend Test)
M336 / A1064 (Plain Steel Wire: Bend Test)
M336 / A1064 (Welded Deformed Steel Wire: Bend Test)
M336 / A1064 (Welded Deformed Steel Wire: Weld Shear)
M336 / A1064 (Welded Plain Steel Wire: Bend Test)
M336 / A1064 (Welded Plain Steel Wire: Weld Shear)
M111-T65 / A123-A90 (Zinc Coatings on Iron and Steel: Thickness of Zinc (Stripping))
M111 / A123-E376 (Zinc Coatings on Iron and Steel: Thickness of Zinc (Magnetic))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Elongation))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
M31-T244 / A615-A370 (Carbon-Steel Bars, Deformed and Plain: Tension (Yield Strength))
M31-T285 / A615-E290 (Carbon-Steel Bars, Deformed and Plain: Bend Test)
M336-T244 / A1064-A370 (Deformed Steel Wire: Tension (Ultimate Tensile Strength))
M336-T244 / A1064-A370 (Deformed Steel Wire: Tension (Yield Strength))
M336-T244 / A1064-A370 (Plain Steel Wire: Tension (Reduction of Area))
M336-T244 / A1064-A370 (Plain Steel Wire: Tension (Ultimate Tensile Strength))
M336-T244 / A1064-A370 (Plain Steel Wire: Tension (Yield Strength))
M336-T244 / A1064-A370 (Welded Deformed Steel Wire: Tension (Ultimate Tensile Strength))
M336-T244 / A1064-A370 (Welded Deformed Steel Wire: Tension (Yield Strength))
M336-T244 / A1064-A370 (Welded Plain Steel Wire: Tension (Reduction of Area))
M336-T244 / A1064-A370 (Welded Plain Steel Wire: Tension (Ultimate Tensile Strength))
M336-T244 / A1064-A370 (Welded Plain Steel Wire: Tension (Yield Strength))
M203-T244 / A416-A1061 (Steel Strand, Uncoated Seven-Wire: Tension (Elongation))
M203-T244 / A416-A1061 (Steel Strand, Uncoated Seven-Wire: Tension (Ultimate Tensile Strength))
M203-T244 / A416-A1061 (Steel Strand, Uncoated Seven-Wire: Tension (Yield Strength))
T244 / F3125-F606 (Externally Threaded Fasteners (Bolts): Proof Load Determination)
T244 / F3125-F606 (Externally Threaded Fasteners (Bolts): Ultimate Tensile Strength)
A615 (Carbon-Steel Bars, Deformed and Plain: Unit Weight)
A706 (Low Alloy Steel Bars, Deformed and Plain: Unit Weight)
A775 (Epoxy Coated Reinforcing Bars: Coating Flexibility (Bend Test))
A775 (Epoxy Coated Reinforcing Bars: Film Thickness)
A1064 (Deformed Steel Wire: Unit Weight)
A1064 (Welded Deformed Steel Wire: Unit Weight)
A563-E18 (Internally Threaded Fasteners (Nuts): Rockwell Hardness)
A775-G62 (Epoxy Coated Reinforcing Bars: Coating Continuity (Holidays))
A563-F606 (Internally Threaded Fasteners (Nuts): Proof Load Determination)
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Elongation))
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Ultimate Tensile Strength))
A706-A370 (Low Alloy Steel Bars, Deformed and Plain: Tension (Yield Strength))
F436-E18 (Hardened Steel Washers: Rockwell Hardness)
F3125-E18 (Externally Threaded Fasteners (Bolts): Rockwell Hardness)
F1554-A370 (Anchor Bolts: Tension (Elongation))
F1554-A370 (Anchor Bolts: Tension (Ultimate Tensile Strength of bar stock))
F1554-A370 (Anchor Bolts: Tension (Yield Strength))
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 3/19/2026. Please visit https://aashtoresource.org for current accreditation status.
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