biological or chemical warfare agents, or explosives. | P | P | | ** Research and Development - Hazardous ** | This category includes but is not limited to laboratories and facilities for scientific research, development and testing including administrative offices
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Lancaster’s own text settles what this covers.