City record · Maryland

ROCK HALL, Maryland

9Hazardous-waste handlers
5Clean Air Act facilities

14 federal records name ROCK HALL as their address across 2 programs. Each figure is the count filed with the agency that collects it. Filed variously as Rock Hall; all spellings are counted here.

Hazardous-waste handlers in ROCK HALL 9

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Clean Air Act facilities in ROCK HALL 5

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Figures from the federal source files: EPA’s ECHO downloads, CMS provider files and the FMCSA census.