Walden Offers Smoke Testing Services

NYC air regristration

Smoke Testing Walden Environmental Engineering performs on-site visible emissions testing, also known as opacity testing or smoke testing, in accordance with 40 CFR Part 60 Appendix A-4 Method 9. Walden’s team of certified observers have experience providing smoke testing and the necessary regulatory documentation to various clients throughout Long Island, New York City, and the… Read More

Engineering a Retaining Wall

Retaining walls are used to keep materials in place that otherwise would naturally slide due to pressure exerted by gravitational forces.  A retaining wall is commonly used to create sharp, vertical changes in elevation on a landscape while ensuring long-term structural stability along with clean aesthetics.  Walls may be constructed of monolithic concrete, wood, steel,… Read More

Emergency Generators for Municipal and Private Companies

All municipal and private companies understand the importance of maintaining an uninterrupted electrical supply. This level of importance only increases during storms and other critical events. It is imperative that all pivotal operations remain online. If a facility’s power goes offline, a state of emergency would surely follow. Installing an emergency generator is a fail-safe… Read More

Class A Operator Violations in Nassau County

Has your facility been inspected by the Nassau County Department of Health (NCDH)?  Since January 1, 2017, NCDH has been in charge of regulating petroleum bulk storage (PBS) at all sites in Nassau County.  This was previously regulated by the Nassau County Fire Marshal (NCFM).  Since taking responsibility for gasoline and diesel tank storage, NCDH… Read More