Actions for Small business legislation--1970 : hearings before the Subcommittee on Small Business of the Committee on Banking and Currency, United States Senate, Ninety-first Congress, second session on S. 2609, a bill to increase the participation of small business concerns in the construction industry by providing for a federal guarantee of certain construction bonds and authorizing the acceptance of certifications of competency in lieu of bonding in connection with certain federal projects, and for other purposes : S. 3528, a bill to amend the Small Business Act to encourage the development and utilization of new and improved methods of waste disposal and pollution control; to assist small business concerns to meet federal or state pollution control standards; and for other purposes : S. 3699, a bill to clarify and extend the authority of the Small Business Administration, and for other purposes, June 15, 16, and 17, 1970