Document Downloads
With links to (valuable and informative!?!) portable document format (PDF) files scattered all over this website I thought it might be...
Nov 18, 20174 min read
Basicity of Polyaluminum Chloride
In former days, when I did a lot of polymer-focused jar testing, I had three products in my polymer test kit that I never fully...
Jul 10, 20172 min read
Bacterial Cell Composition
Composition of a Bacterial Cell There are two formulas used to describe a bacterial cell. Both are discussed below. The most widely used...
May 1, 20171 min read
Crown Press Overview
Benchtop Belt Filter Press As I've discussed elsewhere in this blog, I have two key pieces of laboratory/field equipment that I use to...
Oct 10, 20165 min read
Water Hardness
The Water We Use When I travel I seldom give much thought to the water I drink, cook with, and bathe in. But there are occasions when...
Oct 9, 20162 min read
pH & Alkalinity
pH and Alkalinity Relationships The following two graphics are intended to provide a handy reference describing pH and alkalinity...
Oct 8, 20161 min read
EPA Fact Sheets
Informative EPA Fact Sheets The United States Environmental Protection Agency (EPA) does an excellent job of assembling and posting...
Sep 29, 20161 min read
10 State Standards
Wastewater Standards These well-known and reliable wastewater standards have changed slowly over the years, getting updates as needed to...
Sep 29, 20161 min read
Activated Sludge Table
Activated Sludge Design Parameters This is a handy chart from the well-known Metcalf & Eddy handbook (Metcalf & Eddy. Wastewater...
Sep 5, 20161 min read
ASTM OUR Standard Withdrawn
Much to My Dismay! I am a strong advocate for the use and value of oxygen uptake rate (OUR) testing. I find this simple procedure to be...
Aug 10, 20162 min read
