TY - RPRT TI - Molecular signature of organic nitrogen in septic-impacted groundwater AU - William A. Arnold AU - Krista Longnecker AU - Kevin D. Kroeger AU - Elizabeth B. Kujawinski PY - 2014 DO - 10.1039/c4em00289j UR - https://pubs.usgs.gov/publication/70176411 ID - 70176411 ER -