SAMPLE_TYPE PARAMETER LABEL LEGAL_VALUES RANGE_LOW RANGE_HIGH AMMONIA_N_DATE_ANALYZED Date sample analyzed for analyte: ammonia AMMONIA_N_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Ammonia as N AMMONIA_N_HOLDING_TIME Time from sampling to analysis (days): ammonia AMMONIA_N_LAB_SAMPLE_ID Laboratory Sample ID for Ammonia as N AMMONIA_N_MDL Method detection limit of ammonia AMMONIA_N_NARS_FLAG "Flag assigned by NARS: ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence, NR = No lab result for analyte for Ammonia as N" AMMONIA_N_QA_FLAG QA flag assigned by lab: ammonia AMMONIA_N_RESULT Analyte value: ammonia AMMONIA_N_RL Reporting limit of ammonia AMMONIA_N_UNITS Units of measurement: ammonia ANC_DATE_ANALYZED Date sample analyzed for analyte: acid neutralizing capacity ANC_HOLDING_TIME Time from sampling to analysis (days): acid neutralizing capacity ANC_LAB_SAMPLE_ID Laboratory Sample ID for Acid Neutralizing Capacity ANC_MDL Method detection limit of Acid Neutralizing Capacity (ueq/L) ANC_NARS_FLAG "Flag assigned by NARS for Acid Neutralizing Capacity. ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence , NR = No lab result for analyte" ANC_QA_FLAG QA flag assigned by lab: acid neutralizing capacity ANC_RESULT Analyte value: acid neutralizing capacity ANC_RL Reporting limit for Acid Neutralizing Capacity ANC_UNITS Units of measurement: acid neutralizing capacity CALCIUM_DATE_ANALYZED Date sample analyzed for analyte: calcium CALCIUM_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Calcium CALCIUM_HOLDING_TIME Time from sampling to analysis (days): calcium CALCIUM_LAB_SAMPLE_ID Laboratory Sample ID for Calcium CALCIUM_MDL Method detection limit of calcium CALCIUM_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Calcium" CALCIUM_QA_FLAG QA flag assigned by lab: calcium CALCIUM_RESULT Analyte value: calcium CALCIUM_RL Reporting limit for Calcium CALCIUM_UNITS Units of measurement: calcium CHLA_DATE_ANALYZED Date sample analyzed for analyte: chlorophyll-a CHLA_DILUTION_FACTOR CHLA_EXTRACT chlorophyll-a amount in extract by volume (ug/L) CHLA_EXTRACT_UNITS Units of measurement: chlorophyll extract by volume CHLA_HOLDING_TIME Time from sampling to analysis (days): chlorophyll-a CHLA_LAB_SAMPLE_ID Laboratory Sample ID for Chlorophyll a CHLA_MDL Method detection limit of chlorophyll-a CHLA_NARS_FLAG "Flag assigned by NARS for Chlorophyll a. ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence , NR = No lab result for analyte" CHLA_QA_FLAG QA flag associated with sample for Chlorophyll a CHLA_RESULT Analyte value: chlorophyll-a CHLA_RESULT_UNITS Units for Chlorophyll a CHLA_RL Reporting limit for Chlorophyll a CHLA_SAMPLE_ID ID for sample collected for Chlorophyll a CHLA_VOLUME_ADJUST CHLA_VOLUME_FILTERED Volume filtered for chlorophyll-a sample CHLORIDE_DATE_ANALYZED Date sample analyzed for analyte: chloride CHLORIDE_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Chloride CHLORIDE_HOLDING_TIME Time from sampling to analysis (days): chloride CHLORIDE_LAB_SAMPLE_ID Laboratory Sample ID for Chloride CHLORIDE_MDL Method detection limit of chloride CHLORIDE_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Chloride" CHLORIDE_QA_FLAG QA flag assigned by lab: chloride CHLORIDE_RESULT Analyte value: chloride CHLORIDE_RL Reporting limit of analyte: chloride CHLORIDE_UNITS Units of measurement: chloride COLOR_DATE_ANALYZED Date sample analyzed for analyte: color COLOR_HOLDING_TIME Time from sampling to analysis (days): color COLOR_LAB_SAMPLE_ID Laboratory Sample ID for Color COLOR_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Color" COLOR_QA_FLAG QA flag assigned by lab: color COLOR_RESULT Analyte value: color COLOR_UNITS Units of measurement: color COND_DATE_ANALYZED Date sample analyzed for analyte: conductivity COND_HOLDING_TIME Time from sampling to analysis (days): conductivity COND_LAB_SAMPLE_ID Laboratory Sample ID for Conductivity COND_MDL Minimum detection limit of analyte for Conductivity COND_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Conductivity" COND_QA_FLAG QA flag assigned by lab: conductivity COND_RESULT Analyte value: conductivity COND_RL Reporting limit for Conductivity COND_UNITS Units of measurement: conductivity VERIF DATE_COL Date of sample collection DOC_DATE_ANALYZED Date sample analyzed for analyte: dissolved organic carbon DOC_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Dissolved Organic Carbon DOC_HOLDING_TIME Time from sampling to analysis (days): dissolved organic carbon DOC_LAB_SAMPLE_ID Laboratory Sample ID for Dissolved Organic Carbon DOC_MDL Method detection limit of dissolved organic carbon DOC_NARS_FLAG "Flag assigned by NARS for Dissolved Organic Carbon. ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence , NR = No lab result for analyte" DOC_QA_FLAG QA flag assigned by lab: dissolved organic carbon DOC_RESULT Analyte value: dissolved organic carbon DOC_RL Reporting limit for Dissolved Organic Carbon DOC_UNITS Units of measurement: dissolved organic carbon BENT LAB Laboratory used for sample processing MAGNESIUM_DATE_ANALYZED Date sample analyzed for analyte: magnesium MAGNESIUM_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Magnesium MAGNESIUM_HOLDING_TIME Time from sampling to analysis (days): magnesium MAGNESIUM_LAB_SAMPLE_ID Laboratory Sample ID for Magnesium MAGNESIUM_MDL Method detection limit of magnesium MAGNESIUM_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Magnesium" MAGNESIUM_QA_FLAG QA flag assigned by lab: magnesium MAGNESIUM_RESULT Analyte value: magnesium MAGNESIUM_RL Reporting limit for Magnesium MAGNESIUM_UNITS Units of measurement: magnesium MATRIX Material used for analysis NITRATE_N_DATE_ANALYZED Date sample analyzed for analyte: nitrate NITRATE_N_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Nitrate as N NITRATE_N_HOLDING_TIME Time from sampling to analysis (days): nitrate NITRATE_N_LAB_SAMPLE_ID Laboratory Sample ID for Nitrate as N NITRATE_N_MDL Method detection limit of nitrate NITRATE_N_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Nitrate as N" NITRATE_N_QA_FLAG QA flag assigned by lab: nitrate NITRATE_N_RESULT Analyte value: nitrate NITRATE_N_RL Reporting limit of nitrate NITRATE_N_UNITS Units of measurement: nitrate NITRATE_NITRITE_N_DATE_ANALYZED Date of sample analysis for Nitrate+Nitrite as N NITRATE_NITRITE_N_HOLDING_TIME Sample holding time for Nitrate+Nitrite as N NITRATE_NITRITE_N_LAB_SAMPLE_ID Laboratory Sample ID for Nitrate+Nitrite as N NITRATE_NITRITE_N_MDL Method detection limit of nitrate-nitrite NITRATE_NITRITE_N_NARS_FLAG "Flag assigned by NARS: ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence, NR = No lab result for analyte for Nitrate-Nitrite as N" NITRATE_NITRITE_N_RESULT Analyte value: nitrate-nitrite NITRATE_NITRITE_N_RL Reporting limit for Nitrate+Nitrite as N NITRATE_NITRITE_N_UNITS Units of measurement: nitrate-nitrite NITRITE_N_DATE_ANALYZED Date sample analyzed for analyte: nitrite NITRITE_N_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Nitrite as N NITRITE_N_HOLDING_TIME Time from sampling to analysis (days): nitrite NITRITE_N_LAB_SAMPLE_ID Laboratory Sample ID for Nitrite as N NITRITE_N_MDL Method detection limit of nitrite NITRITE_N_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Nitrite as N" NITRITE_N_QA_FLAG QA flag assigned by lab: nitrite NITRITE_N_RESULT Analyte value: nitrite NITRITE_N_RL Reporting limit for Nitrite as N NITRITE_N_UNITS Units of measurement: nitrite NTL_DATE_ANALYZED Date of sample analysis for Total Nitrogen NTL_DISS_DATE_ANALYZED Date of sample analysis for Total Dissolved Nitrogen NTL_DISS_HOLDING_TIME Sample holding time for Total Dissolved Nitrogen NTL_DISS_LAB_SAMPLE_ID Laboratory Sample ID for Total Dissolved Nitrogen NTL_DISS_MDL Minimum detection limit of analyte for Total Dissolved Nitrogen NTL_DISS_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Total Dissolved Nitrogen" NTL_DISS_QA_FLAG QA flag associated with sample for Total Dissolved Nitrogen NTL_DISS_RESULT Analyte value for Total Dissolved Nitrogen NTL_DISS_RL Reporting limit for Total Dissolved Nitrogen NTL_DISS_UNITS Units for Total Dissolved Nitrogen NTL_HOLDING_TIME Sample holding time for Total Nitrogen NTL_LAB_SAMPLE_ID Laboratory Sample ID for Total Nitrogen NTL_MDL Method detection limit for Total Nitrogen (mg N/L) NTL_NARS_FLAG "Flag assigned by NARS for Total Nitrogen. ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence , NR = No lab result for analyte" NTL_QA_FLAG QA flag associated with sample for Total Nitrogen NTL_RESULT Result for Total Nitrogen (mg N/L) NTL_RL Reporting limit for Total Nitrogen NTL_UNITS Units for Total Nitrogen PH_DATE_ANALYZED Date sample analyzed for analyte: pH PH_HOLDING_TIME Time from sampling to analysis (days): pH PH_LAB_SAMPLE_ID Laboratory Sample ID for pH PH_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for pH" PH_QA_FLAG QA flag assigned by lab: pH PH_RESULT Analyte value: pH PH_UNITS Units of measurement: pH POTASSIUM_DATE_ANALYZED Date sample analyzed for analyte: potassium POTASSIUM_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Potassium POTASSIUM_HOLDING_TIME Time from sampling to analysis (days): potassium POTASSIUM_LAB_SAMPLE_ID Laboratory Sample ID for Potassium POTASSIUM_MDL Method detection limit of potassium POTASSIUM_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Potassium" POTASSIUM_QA_FLAG QA flag assigned by lab: potassium POTASSIUM_RESULT Analyte value: potassium POTASSIUM_RL Reporting limit of potassium POTASSIUM_UNITS Units of measurement: potassium DESIGN PSTL_CODE "State two letter postal code for site sampled. 50 state postal codes plus AS, MP, GU, PR, VI for American Samoa, Commonwealth of Northern Marianas, Guam, Puerto Rico and Virgin Islands. No missing values allowed." PTL_DATE_ANALYZED Date of sample analysis for Total Phosphorus PTL_DISS_DATE_ANALYZED Date of sample analysis for Total Dissolved Phosphorus PTL_DISS_HOLDING_TIME Sample holding time for Total Dissolved Phosphorus PTL_DISS_LAB_SAMPLE_ID Laboratory Sample ID for Total Dissolved Phosphorus PTL_DISS_MDL Minimum detection limit of analyte for Total Dissolved Phosphorus PTL_DISS_NARS_COMMENT Comment to explain NARS-assigned flag for Total Dissolved Phosphorus PTL_DISS_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Total Dissolved Phosphorus" PTL_DISS_QA_FLAG QA flag associated with sample for Total Dissolved Phosphorus PTL_DISS_RESULT Analyte value for Total Dissolved Phosphorus PTL_DISS_RL Reporting limit for Total Dissolved Phosphorus PTL_DISS_UNITS Units for Total Dissolved Phosphorus PTL_HOLDING_TIME Sample holding time for Total Phosphorus PTL_LAB_SAMPLE_ID Laboratory Sample ID for Total Phosphorus PTL_MDL Method detection limit for Total Phosphorus (ug/L) PTL_NARS_FLAG "Flag assigned by NARS for Total Phosphorus. ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence , NR = No lab result for analyte" PTL_QA_FLAG QA flag associated with sample for Total Phosphorus PTL_RESULT Result for Total Phosphorus (ug/L) PTL_RL Reporting limit for Total Phosphorus PTL_UNITS Units for Total Phosphorus PUBLICATION_DATE Date the dataset was published to the NARS site SAM_CODE Sample code (Regular/Lab duplicate/Lab split) SILICA_DATE_ANALYZED Date sample analyzed for analyte: silica SILICA_HOLDING_TIME Time from sampling to analysis (days): silica SILICA_LAB_SAMPLE_ID Laboratory Sample ID for Silica SILICA_MDL Method detection limit of silica SILICA_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Silica" SILICA_QA_FLAG QA flag assigned by lab: silica SILICA_RESULT Analyte value: silica SILICA_RL Reporting limit for Silica SILICA_UNITS Units of measurement: silica DESIGN SITE_ID "The NLA Site ID for the study and year sampled. Preferred form is NLAnn_MM-xxxxx where nn is current cycle year (07, 12, 17, etc), MM is two letter state code, and xxxxx is between 10001 and 99999. No missing values allowed." SODIUM_DATE_ANALYZED Date sample analyzed for analyte: sodium SODIUM_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Sodium SODIUM_HOLDING_TIME Time from sampling to analysis (days): sodium SODIUM_LAB_SAMPLE_ID Laboratory Sample ID for Sodium SODIUM_MDL Method detection limit of sodium SODIUM_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Sodium" SODIUM_QA_FLAG QA flag assigned by lab: sodium SODIUM_RESULT Analyte value: sodium SODIUM_RL Reporting limit for Sodium SODIUM_UNITS Units of measurement: sodium SULFATE_DATE_ANALYZED Date sample analyzed for analyte: sulfate SULFATE_DILUTION_FACTOR Dilution factor used in chlorophyll calculation for Sulfate SULFATE_HOLDING_TIME Time from sampling to analysis (days): sulfate SULFATE_LAB_SAMPLE_ID Laboratory Sample ID for Sulfate SULFATE_MDL Method detection limit of sulfate SULFATE_NARS_FLAG "Flag assigned by NARS for Sulfate. ND = Non-detect, L = Estimated, Q = Quality-related issue, S = Shipping time exceedence, H = Holding time exceedence , NR = No lab result for analyte" SULFATE_QA_FLAG QA flag assigned by lab: sulfate SULFATE_RESULT Analyte value: sulfate SULFATE_RL Reporting limit for Sulfate SULFATE_UNITS Units of measurement: sulfate TURB_DATE_ANALYZED Date sample analyzed for analyte: turbidity TURB_HOLDING_TIME Time from sampling to analysis (days): turbidity TURB_LAB_SAMPLE_ID Laboratory Sample ID for Turbidity TURB_MDL Minimum detection limit of analyte for Turbidity TURB_NARS_FLAG "NARS FLAG. ND = Nondetect; H = holding time issue; S = shipping issue; L = Less than reporting limit but above MDL; Q = other quality issue. See NARS_COMMENT, NR = No lab result for analyte for Turbidity" TURB_QA_FLAG QA flag assigned by lab: turbidity TURB_RESULT Analyte value: turbidity TURB_RL Reporting limit for Turbidity TURB_UNITS Units of measurement: turbidity UID Unique identifier for the site/visit DESIGN UNIQUE_ID "Unique site ID based on location that does not depend on year sampled or any other factor. Form is NLA_ss_nnnnn where ss state and nnnnn is number that starts at 10001. No missing or \blank\"" values allowed.""" VERIF VISIT_NO Sequential number of visit to site |1|2