Chemical and biological parameters: total solids, total
volatile solids, total suspended solids, total dissolved solids, acidity,
alkalinity, five-day BOD, COD, oil and grease, chloride, sulfate, sulfide,
phenols, NH3 (as N), NO3 (as N), NO2 (as N), Kjeldahl organic nitrogen (as
N), ortho-phosphorus (as P), total phosphorous as (P), Cr, Cu, Fe, Cd, Pb,
Mn, Zn, F, As, Hg.