116Nitrogen, nitrate SM-4500 NO3 D 48 hoursNitrogen, nitrite SM-4500 NO2 48 hoursNitrate + Nitrite SM-4500 NO3 E 48 hoursNitrogen, TKN EPA 351.4 28 daysOdor SM-2150 6 daysPhosphorous, ortho EPA 200.7 48 hoursPhosphorous, total SM-4500 P 28 daysSolids, settle able SM-2540 7 daysSolids, suspended SM-2540 D 7 daysDrinking Water Analysis
Solids, total SM-2540 B 7 daysSolids, volatile SM-2540 E 7 daysSpecific Conductance SM-2510 B 28 daysSulfate SM-4500 SO-4 E 28 daysSulfide SM-4500 S-2 D 28 daysSulfite EPA 377.1 28 daysSilica SM-4500 Sl E 28 daysTotal Organic Carbon EPA 415.1 28 daysTurbidity SM- 2130 B 48 hoursThis course contains EPA’s federal rule requirements. Please be aware that each state
implements drinking water regulations that may be more stringent than EPA’s
regulations. Check with your state environmental agency for more information.