For Star subscribers: The permit requires more stringent emissions testing at the facility, which will use a known carcinogen to sterilize medical equipment.
For Star subscribers: As an ethylene oxide sterilization plant is set to start construction Tucson this year, county and city officials are grappling with how to manage the trace amounts of cancerous gas the site could emit.
Program, which also offers smaller vouchers for hand-held landscaping equipment, is an effort to improve air quality.
Ongoing investigations could point to source within a few weeks, officials say.
With the start of the school year approaching — or, already here, for some — the Pima County Department of Environmental Quality has given us …