TM01-01 Elimination of National Water Quality Laboratory Blank Schedule 172 (Effective June 1, 2001)

Effective June 1, 2001, The National Water Quality Laboratory (NWQL) will no longer offer blank schedule 172. Schedule 1673 will be offered as a replacement for analysis of trace metal blanks (including equipment, samplers, QA and all other types). This technical memorandum describes the reasons for eliminating the schedule and provides information about a new schedule that will better meet our customer’s needs.