TASK ORDER TITLE: WASTE CHARACTERIZATION AND RELATED TASKS. THE PURPOSE OF THIS TASK ORDER IS TO WORK ON QUALIFICATIONS OF INSTRUMENT PROVIDERS, THE IDENTIFICATION OF INCENTIVES FOR BETTER ENVIRONMENTAL MANAGEMENT, AND ON THE SPECIFICATIONS OF THE MECHANISMS AND THEIR TERMS THAT COULD BE PROPOSED AS MEETING THE REQUIREMENTS FOR COMPLYING WITH CERCLA 108(B) FOR THE MECHANISMS PREVIOUSLY CONSIDERED.