 Letterle is a veteran-owned, small business, environmental consulting and remediation firm with offices in Allison Park, Pennsylvania (Allegheny County), and Franklin, Pennsylvania (Venango County). It is a Pennsylvania limited liability company that is also registered to do business in West Virginia, and holds a contractors license issued by the West Virginia Contractor Licensing Board. Letterle specializes in the investigation and remediation of petroleum releases, particularly former underground storage tank release locations. Key Letterle personnel have extensive experience with Phase I/II ESAs and redevelopment projects throughout the United States. A growing area of Letterle's business is assisting clients with their regulatory compliance in areas such as NPDES permitting, spill plans, waste reports, and response to compliance actions. Currently, Letterle's caseload includes over 100 former underground storage tank release sites located in Pennsylvania, West Virginia and Maryland. At least 80% of those projects are currently funded by the Pennsylvania Underground Storage Tank Indemnification Fund or private insurance. Letterle currently operates over 30 soil and groundwater remediation systems at sites in Pennsylvania and West Virginia. The majority of the remediation systems are either vacuum enhanced groundwater extraction systems or total phase extraction systems. 
Main Office
2859 Oxford Boulevard Allison Park, PA 15101 Phone: 412-486-0600 Fax: 412-486-0674 Email: tjennewine@letterleassociates.com
Franklin Office
191 Howard Street, Suite 108 Franklin, PA 16323 Phone: 814-432-2167 Fax: 814-432-2632 Email: tkier@letterleassociates.com
Bellefonte Office
629 East Rolling Ridge Drive Bellefonte, PA 16823 Phone: (814) 355-2241 Fax: (814) 355-2410 Email: streschow@letterleassociates.com |
