Gas company found nothing. My husband has a meter that was picking up combustible gases so I called public utilities out. His meter didn't & told me I was paranoid. So my husband called a plumber friend. He said to run water through the vents for sewer gas. 1st one nothing. 2nd one...
2.5. ICCD Camera The temporal behavior of the bubble formations and optical emission intensities originating from the plasma were measured using an intensified charge-coupled device (ICCD) camera (PI-MAX 2, Princeton Instruments, Trenton, NJ, USA) with an exposure time ranging from 1 to 10 ms ...