PURCHASE AND SALE AGREEMENT BY AND BETWEEN NUS ACQUISITION CORP. A DELAWARE CORPORATION AS PURCHASER AND TETRA TECH, INC. AS GUARANTOR AND BROWN & ROOT, INC., A DELAWARE CORPORATION AND HALLIBURTON NUS CORPORATION, A DELAWARE CORPORATION AS THE...Purchase and Sale Agreement • January 15th, 1998 • Tetra Tech Inc • Services-engineering services • Delaware
