The RTW Corrosivity
Index Calculator calculates
two useful corrosion
indices: the Langelier
Saturation Index,
and the Ryznar Stability
Index. Each can be
independently used
to determine the corrosive
nature of a given
influent water.
In order to do this
calculation, you must
first have some accurate
data...You will need
the following data
in order to do the
calculation; 1. Average
Daily Flow in terms
of MGD.
Water/Wastewater
Calculators include:
"...Temperature; GPM
to MGD; Loadings Calculation;
Lbs of Chemical/Gal
of Solution; Tank
Volume Calculations;
MG/L (PPM) to Lbs
per Day; Removal Efficiency;
GPD to ML per Minute;
F /M Ratio Calculator;
Geometric Mean Calculator;
Fecal Coliform Reporting;
Wastewater Sludge
(biosolids) Production
Estimating Calculator;
TNTC Calculation;
Nitrification Calculator,
Alkalinity Calculator.
Examples from over
"16" Water/Wastewater
Calculators include
Weed emergence is
determined primarily
by two factors: soil
temperature and soil
moisture availability.
These two factors
are influenced by
weather and soil management
such as tillage.
Multimedia Weed Database
(Text & Images). "...The
purpose of this survey
is to monitor the
evolution of herbicide-resistant
weeds and assess their
impact throughout
the world.