Nitrogen Sequence Surface Water Test

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This lab analysis measures Nitrate (as N), Ammonia, and Total Kjeldahl Nitrogen (TKN)—key indicators of nitrogen dynamics in a lake. Together, these parameters provide insight into how nitrogen is entering, transforming, and accumulating in the system, helping to characterize overall nutrient conditions and biological activity. Nitrate (as N): Methodology: EPA 300.0 MDL: 0.01 PPM RL: 0.1 PPM Ammonia: Methodology: EPA 350.1 MDL: 0.04 PPM RL: 0.05 PPM Total Kjeldahl Nitrogen (TKN): Methodology: EPA 351.2 MDL: 0.15 PPM RL: 0.02 PPM Show more