Taking part of the lab to the sample: On-site electrodeposition of Pb followed by measurement in a lab using electrothermal, near-torch vaporization sample introduction and inductively coupled plasma-atomic emission spectrometry

► On-site Pb electrodeposition and matrix clean up is described. ► Electrothermal, near torch vaporization sample introduction for ICP-AES was used. ► Liquid samples with a complex matrix (e.g., seawater, tap water) were tested. ► On-site electrodeposition was used to test for compliance with EPA's Pb-Cu rule. ► Detection limit for Pb by NTV-ICP-AES was 25 pg/mL after 3 min electrodeposition.