WQ Table 4-2

Table IV-2. Standards used for nutrient analysis runs

Nutrient Standard Compound Standard Concentrations

Nitrate (NO3) NaNO3 0, 10, 20 and 40

Nitrite (NO2) NaNO2 0, 1, 2, and 4 然

Phosphate (PO4) KH2PO4 0, 1, 2, and 4 然

Silicate (SiO4) Na2SiF6 0, 20, 40, and 80 然

Nutrient	Standard Compound	Standard Concentrations

Nitrate (NO3)	NaNO3	0, 10, 20 and 40
Nitrite (NO2)	NaNO2	0, 1, 2, and 4 然
Phosphate (PO4)	KH2PO4	0, 1, 2, and 4 然
Silicate (SiO4)	Na2SiF6	0, 20, 40, and 80 然