Entry by JoeDerhake Entry I am off to Arizona for the ASTM E50 Meeting, which kicks off tomorrow.   ASTM E50 has a lot planned as always and I thought a blog discussing what is going on would be helpful to the environmental professional community. ASTM E1527-05 Of greatest interest is the update to Phase I…

Entry by JoeDerhake Entry Maybe my wife should have written this one—or maybe she would have advised young people to not…better to marry a doctor.   More seriously, how do consulting firms love their environmental professionals?   When you run an environmental due diligence firm, you have to be good at it if you want to…

Entry by JoeDerhake Entry This blog is a re-post.  Math is the same, but I corrected a typo and I added some clarifications (see italics). What do you do when you have groundwater sampling that shows solvent contamination and you want to infer a soil gas concentration, but you don’t have soil gas testing data? …

Entry by JoeDerhake Entry This blog is a re-post.  Math is the same, but I corrected a typo and I added some clarifications (see italics). What do you do when you have groundwater sampling that shows solvent contamination and you want to infer a soil gas concentration, but you don’t have soil gas testing data? …

Entry by JoeDerhake Entry When doing environmental due diligence in support of an acquisition, we are a small but sometimes very important part of a larger process.  While our fee is modest, we are often supporting a very high dollar transaction.  Occasionally we find ourselves center stage at the negotiating table.  Maybe our Phase I…