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MTA Engineers	Lab # 905100
MTA Engineers - Little Rock Laboratory
Little Rock, AR
Phone: (501) 753-2526

Certifications Expiration Date: 06/14/2026
Aggregate	Concrete	Hot Mix	Soils
R76 - Splitting / Quartering R90 - Sampling Aggregates T11 - Washing T21 - Organic Impurities T27 - Sieve Analysis T84 - Fine Agg. Sp. Gr. T85 - Coarse Agg. Sp. Gr. T255 - Moisture Content	M201 - Tanks / Moist Rooms M205 - Single Use Molds R60 - Sampling Concrete R100 - Cylinders T22 - Comp. Strength T119 - Slump T121 - Density T152 - Air Content T231 - Capping Cylinders T309 - Temperature	R97 - Sampling Asphalt T30 - Extraction T166 - Bulk Sp. Gravity T209 - Max Sp. Gravity T308 - Ignition Oven T312 - Gyratory Compaction T329 - HMA Moist. Cont. ARDOT449 - Nuclear AC ARDOT461 - Nuclear Density	R58 - Dry Prep R74 - Wet Prep T89 - Liquid Limit T90 - Plastic Limit T99 - Standard Proctor T180 - Modified Proctor T265 - Moisture Content T310 - Nuclear Density