Table 1.Characterization of arsenic hazard & exposure data in Louisiana ENVIRONMENTAL ARSENIC DATA DOMESTIC WELL AND WATER USE BIOMONITORING DATA DATA NGS SONRIS Data NAWQA SDWIS STORET Water Use Data Heavy Metal Surveillance Data USGS, 200423 LDNR, 201224 Reference USGS, 201320 LDHH, 201221 EPA, 201222 USGS, 200925 LDHH, 201326 Owner USGS (Federal) LA DHH- SDWP EPA USGS LA DNR (State) USGS (Federal) LA DHH- SEET (Federal) (State) (Federal) (State) Source Obtained through Internally housed (Data available Data Sharing in LDHH upon request) Agreement Sample 299 (LA 6728 (raw source 166 (LA 351 (LA soil/stream 77,036 (domestic 64 (parishes) 6629 (tested Count groundwater well samples) groundwater sediment samples) private wells) individuals) samples) samples) Purpose of To evaluate the To ensure that To monitor the To monitor the For general To appraise effects To identify at-risk quality of potable public water quality of quality of informational of water use and individuals and System groundwater systems groundwater across soil/sediment purposes only. plan for future use. populations, throughout the throughout the US US. throughout the US. monitor exposures US. are meeting over time and
Table 1.Characterization of arsenic hazard & exposure data in Louisiana ENVIRONMENTAL ARSENIC DATA DOMESTIC WELL AND WATER USE DATA BIOMONITORING DATA Data NAWQA SDWIS STORET NGS SONRIS Water Use Data Heavy Metal Surveillance Data Reference USGS, 201320 LDHH, 201221 EPA, 201222 USGS, 200423 LDNR, 201224 USGS, 200925 LDHH, 201326 Owner USGS (Federal) LA DHH- SDWP (State) EPA (Federal) USGS (Federal) LA DNR (State) USGS (Federal) LA DHH- SEET (State) Source Obtained through Data Sharing Agreement (Data available upon request) Internally housed in LDHH Sample Count 299 (LA groundwater samples) 6728 (raw source well samples) 166 (LA groundwater samples) 351 (LA soil/stream sediment samples) 77,036 (domestic private wells) 64 (parishes) 6629 (tested individuals) Purpose of System To evaluate the quality of potable groundwater throughout the US. To ensure that public water systems throughout the US are meeting To monitor the quality of groundwater across US. To monitor the quality of soil/sediment throughout the US. For general informational purposes only. To appraise effects of water use and plan for future use. To identify at-risk individuals and populations, monitor exposures over time and