WHO IS HAZMAN? Hazman is a NYSDEC permitted HHW facility in Tonawanda, NY, and accepts a wide variety of items that should be kept out of landfills. Even small amounts of household hazardous wase (HHW) can cause big problems if not disposed of properly. We offer an environmentally friendly solution for homeowners and CESQG businesses to dispose & recycle their hazardous waste, chemicals, and electronics. Hazman is affiliated with The Environmental Service Group (NY), Inc.