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Olsson, Inc.	Lab # 921119
Olsson, Inc. Laboratory
Rogers, AR
Phone: (417) 627-5559

Certifications Expiration Date: 10/18/2025
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 R60 - Sampling Concrete R100 - Cylinders T22 - Comp. Strength T119 - Slump T121 - Density T152 - Air Content T231 - Capping Cylinders T309 - Temperature	No certifications	R58 - Dry Prep R74 - Wet Prep T89 - Liquid Limit T90 - Plastic Limit T99 - Standard Proctor T180 - Modified Proctor T265 - Moisture Content T310 - Nuclear Density