David W. Miller receives Life Membership in NGWA.

MELVILLE, N.Y.--(BUSINESS WIRE)--Jan. 14, 1997--David W. Miller, noted hydrogeologist and one of the founders of Geraghty & Miller, Inc., was awarded a National Ground Water Association Life Membership at the NGWA's recent annual conference.

The award is presented periodically to persons of eminence in the groundwater industry who have contributed special service to the industry or to NGWA. This is the second tribute Mr. Miller has received from the Association. He was given the Science Award in 1979 for his major contributions to the science of groundwater.

David Miller's career began in 1952 at the groundwater branch of the US Geological Survey. He then entered private industry, and in 1957, founded Geraghty & Miller, Inc. with James J. Geraghty.

Mr. Miller has carried out groundwater investigations throughout the US and has served as a technical advisor abroad. His work has covered groundwater resource development, water management studies for agencies at all levels of government, and groundwater contamination investigations in a wide variety of geologic environments. Mr. Miller has served as project leader and advisor for numerous Superfund sites and RCRA projects on behalf of many of the firm's industrial clients and he has had oversight on some of the major fuel cleanups affecting groundwater resources in the US.

Mr. Miller has served on the National Research Council's Water Science and Technology Board, on the Ground Water Research Subcommittee for USEPA's Science Advisory Board, and on the advisory board of the National Center for Ground Water Research.

Among his achievements, David Miller has been a special lecturer for the Chemical Manufacturers' Association on industry response to groundwater protection requirements under federal laws. He directed for EPA the first national assessment of the importance of land disposal of hazardous waste as a threat to groundwater quality. He has testified before the Senate Toxic Substances and Environmental Oversight Subcommittee, authored numerous publications, and spearheaded a successful series of national seminars that offered training in groundwater management to industrial engineers, regulatory personnel and environmental consultants.

Forty years after the founding of Geraghty & Miller, Mr. Miller continues his activities with the firm as Senior Consultant. Steven B. Blake, Geraghty & Miller's CEO, said, "We look forward to a long and prosperous continuation of our involvement with David Miller - the `Father' of our firm."

Geraghty & Miller and its subsidiaries provide a full spectrum of consulting, engineering and contracting services in the environmental, transportation, civil, and industrial markets. It maintains a staff of more than 1400 in 37 offices in the US and UK. The firm is one of the Heidemij group of companies, a global environmental and infrastructure firm based in the Netherlands. Heidemij NV stock is traded on NASDAQ (HEIDF) and the Amsterdam Exchange.

CONTACT: Geraghty & Miller, Melville, N.Y.

David W. Miller, 516/249-7600 (phone); 516-249-7610 (fax)

or Judi Schoeck, Corporate Marketing Manager (Denver),

303/294-1200 (phone); 303/294-1239 (fax)

Website: www.gmgw.com