Specifications include, but are not limited to: Firm must provide the following testing services. It is acceptable if some testing services must be subcontracted to another laboratory, but Firm shall have the capability to perform at least 50% of the listed testing in-house. If Firm anticipates that it will subcontract testing services, those services and the subcontracted lab shall be identified in the response. 1. Soils and aggregates testing a. Sieve analysis ASTM C136 & C117 b. Wet sieve ASTM C117 . Specific gravity and absorption ASTM C127 & C128 d. Sand equivalent ASTM D2419 e. Dry unit weight of aggregate ASTM C29 f. Organic impurities ASTM C40 g. Fractured faces ASTM D5821 h. LA Abrasion ASTM C131 i. Sodium sulfate soundness ASTM C88 j. Moisture content ASTM C566 k. Moisture content & unit density ASTM D2937 l. Plastic index ASTM D4318 m. Expansion index ASTM D4829