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APAC Central, Inc.	Lab # 900100
Preston Laboratory
Van Buren, AR
Phone: (479) 471-6300

Certifications Expiration Date: 05/08/2025
Aggregate	Concrete	Hot Mix	Soils
R76 - Splitting / Quartering R90 - Sampling Aggregates T11 - Washing T27 - Sieve Analysis T84 - Fine Agg. Sp. Gr. T85 - Coarse Agg. Sp. Gr. T96 - LA Abrasion T255 - Moisture Content T304 - Fine Agg. Angularity ARDOT302 - Deleterious Materials	M201 - Tanks / Moist Rooms M205 - Single Use Molds R39 - Lab Cylinders R60 - Sampling Concrete R100 - Cylinders T22 - Comp. Strength T24 - Drilling Cores T119 - Slump T121 - Density T148 - Length of Cores T152 - Air Content T231 - Capping Cylinders T309 - Temperature	R47 - HMA Splitting R67 - Asphalt Coring R97 - Sampling Asphalt T166 - Bulk Sp. Gravity T209 - Max Sp. Gravity T245 - Marshall Flow T275 - Paraffin Coating T308 - Ignition Oven T312 - Gyratory Compaction T329 - HMA Moist. Cont. ARDOT449 - Nuclear AC ARDOT455 - Moist. Sensitivity ARDOT460 - Solvent Wash	R58 - Dry Prep T89 - Liquid Limit T90 - Plastic Limit T265 - Moisture Content