by admin | Nov 15, 2013 | Environmental Topics
Right now, you are probably ignoring this paragraph, or you?ve decided it?s far too much work to either zoom in to 400% or get your reading glasses out, print out a copy, and hold it 3 feet away from your face in order to see what I?ve written here. And I imagine you...
by admin | Nov 14, 2013 | Environmental Topics
Dissolved hydrogen is the dreaded analysis in every field tech?s Sampling & Analysis Plan.? Yes, there?s more equipment to lug around, the risk of impaling yourself with a 1-inch long needle, and those pressed wood ring stands that swell and warp at just the...
by admin | Nov 12, 2013 | Environmental Topics
Toluene is another contaminant that is often tested for at environmental remediation sites. Toluene occurs in low levels in crude oil. Its atomic structure is very similar to that of benzene ? a ring of six carbon atoms, but one of the six hydrogen atoms has been...
by admin | Oct 23, 2013 | Environmental Topics
They want us to do what? Granted, I was new to the field at the time and didn?t know that asking a contractor to dig a huge trench across a contaminated area was a big deal. The idea, of course, was to oxygenate the water. ?Even though I was a rookie, I could still...
by admin | Oct 21, 2013 | Environmental Topics
Headspace in a 40-ml VOA vial. ?Is that a bad thing? Several years ago, I performed quarterly groundwater sampling at a former landfill site in central Florida.? Once I finished purging each monitoring well, I?d fill up three volatile bottles, inverting each one and...
