Recent content by rogerstv

Will someone please provide me with a starting point on the amount or how to calculate the amount of citric acid needed to reduce water with a pH of 14,74 to a pH of 7.0?

Thank you. Will do.

I have to check the TDH calculations for fourteen extraction well pumps discharging to a treatment system building. It has been a long time since I performed any calculations of this nature. And, I have no one at my place of employment to review my work. Will someone please double check that I...

Does anyone have a SOP for using a settleometer? Is it up to the user to decide the frequency of readings?

Guess you didn't read my original post.

TTT. On line not a preferred option. Any ideas? Surely you guys are keeping up with your CE credits.

Does anyone know where I might find upper level continuing education courses on geology, soil classification, risk based corrective action or soil screening level calculations, or groundwater contaminant modeling? I am interested in upper level courses only. Any other suggestions are welcome...

Fattdad, I perform tests on a number of wells. It is the intention to install wells with the screen and plug above the water. But, seasonal fluctuations and the difference between the observed saturated soil and the potentiometric surface after installation sometimes results in a submerged...

Thanks. I was looking at that book. Do you have any experience with using it?

I am looking for the two books written for analyzing rising slug test data and written by these two authors. Or, I am willing to purchase any other recommended book that explains the Bouwer and Rice method of interpreting data. Thank you.

Thank you all for the replies. I understand the potential complexities (sp?) associated with water piping. However, there exists a chart that can be used a general "rule of thumb" for service lines from rural water mains or any main for that matter. It is used more in rural water because of...

I am looking for a chart that contains recommended maximum lengths for water service lines based upon the pipe diameter. It is helpful in giving a home owner a recommendation as to what size of service to run from the main to their house in a rural water supply system. I have seen it in the...

You may want to try the Illinois EPA as a resource. Their Tiered Approach to Cleanup Objectives (TACO)guidelines are geared mainly towards contaminant movement in groundwater. The idea is for a landowner to show that the contamination will not migrate off his/her property. This allows for less...

Thank you Sam. The site is full of information.

I am looking for a pier review of my Excel Spreadsheet created to calculate the storage required for capture in accordance with Phase II requirements of the CWA(i.e. Post-construction minus Pre-Construction). I will email the spreasheet to anyone interested. The spreadsheet may take some...