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Inorganic - Nonmetal Parameters

Parameter

Method Reference

Acidity

EPA 305.1

Alkalinity

EPA 310.1

Bicarbonate

calculated

Bromide

SW846-9056

Carbonate

calculated

Chloride

SW846-9056

Conductance

SW846-9050A

Fluoride

SW846-9056

pH

SW846-9040

Sulfate

SW846-9056

Total hardness

EPA 130.2

Nutrient Parameters

Parameter

Method Reference

Ammonia-N

SM 4500 NH3F

Kjeldahl-N

SM 4500-N(org)C

Nitrate-N

SW846-9056

Nitrite-N

EPA 354.1

Phosphorus-total

ASTM D515-88

Orthophosphate

EPA 365.3

Total-N

SM 4500-N(org)C

Residue & Demand Parameters

Parameter

Method Reference

Dissolved solids

EPA 160.1

Suspended solids

EPA 160.2(org)C

Total organic carbon

SW846-9060

Immunoassay - ELISA organics

Parameter

Method Reference

Alachlor, metolachlor, triazines, 2,4-D, carbofuran, chlorpyrifos, chlorothalonil, estradiol 17b, glyphosate (others available upon request)

ELISA