943-A Russell Avenue
Gaithersburg, MD 20879
(301) 926-8569 (office)
(301) 926-1251 (fax)
Geotechnical Services: Gerry Davit, P.E.
(301) 873-7186 (cell)
gerrydavit@yahoo.com
Construction Testing: Ric Poznanski, P.E.
rpoznanski@gmail.com
Jim Kirkland, Ph.D., C.P.G.
981 Silverton Court
Lusby, MD 20657
(410) 326-8109 (office and fax)
envpcc@aol.com