TY - RPRT TI - Sources and occurrence of chloroform and other trihalomethanes in drinking-water supply wells in the United States, 1986-2001 AU - Tamara Ivahnenko AU - J.S. Zogorski PY - 2006 DO - 10.3133/sir20065015 UR - https://pubs.usgs.gov/publication/sir20065015 ID - sir20065015 ER -