Newly Developed Biota and Biota-related Standard Reference Materials for the Determination of Environmental Contaminants Publication Attachment: 05-673.pdf Authors: Poster, Dianne, Schantz, Michele M., Keller, Jeniffer M., Kucklick, John R., Porter, Barbara J., Sharpless, Katherine E., Stapleton, Heather M., Patterson, Donald G., Wise, Stephen A. Year: 2005