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Pine Bluff Sand and Gravel Company	Lab # 904700
Pine Bluff Laboratory
Pine Bluff, AR
Phone: (870) 329-5090

Certifications Expiration Date: 03/20/2025
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. T255 - Moisture Content ARDOT302 - Deleterious Materials	M201 - Tanks / Moist Rooms M205 - Single Use Molds R39 - Lab Cylinders R60 - Sampling Concrete R100 - Cylinders T22 - Comp. Strength T119 - Slump T121 - Density T152 - Air Content T231 - Capping Cylinders T309 - Temperature	R47 - HMA Splitting R97 - Sampling Asphalt 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 T134 - Soil/ Cement T265 - Moisture Content T310 - Nuclear Density