dirtdorphins said:Wow Sue--what lab is that 
?
A & L in Fort Wayne, Indiana (I looked in Indiana to keep it more relevant to the thread. Here's their price list:
http://algreatlakes.com/pages/...
Looking for others, U of Idaho is more expensive, price list:
http://www.uidaho.edu/~/media/...
Another I just looked at was still more but then I found one that did all the elements for $10 so it seems to vary widely. There's a list of labs here, FWIW, but not all have price lists online:
http://www.naptprogram.org/abo...
Edited to add this one:
http://www.loganlabs.com/doc/L...
which is on the above list (North American Proficiency Testing Program) and the one used by the website related to the book under discussion. They charge $25 for the standard test (pH, organic matter, base saturation, total exchange capacity, sulfur, phosphorous, calcium, magnesium, potassium, sodium, boron, iron, manganese, copper, zinc and aluminum.
