National Analytical Management Program

When the MARLAP, DER or the RPD criteria pass, then the duplicate is acceptable. MARLAP, Chapter 18, Section 4.1 QSM Rev. 5.0, Module 6, Section 1.7.2.3 b)xi) 8.10.5 Are duplicates that do not meet the above requirements due to difficulty in subsampling, described in the case narrative? ................
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