TY - RPRT TI - Study design and analytical results used to evaluate a surface-water point sampler for volatile organic compounds AU - Michael J. Halde AU - Gregory C. Delzer AU - John S. Zogorski PY - 1999 DO - 10.3133/ofr98651 UR - https://pubs.usgs.gov/publication/ofr98651 ID - ofr98651 ER -