44-25 Exhibit B-Complete - VI Letter Report - DPW West Orange - April 2023.pdf

Serial_No:04172317:05 Project Name: Project Number: WEST ORANGE DPW IN000380.09 Lab Number: Report Date: L2317290 04/17/23 NJ DEP Data of Known Quality Protocols Conformance/Non-Conformance Summary Questionnaire 1 For each analytical method referenced in this laboratory report package, were all specified QA/QC performance criteria followed, including the requirement to explain any criteria falling outside of acceptable guidelines, as specified in the NJDEP Data of Known Quality performance standards? YES 1a Were the method specified handling, preservation, and holding time requirements met? YES 1b EPH Method: Was the EPH Method conducted without significant modifications (see Section 11.3 of respective DKQ methods)? N/A 2 Were all samples received by the laboratory in a condition consistent with that described on the associated chain-of-custody document(s)? YES 3 Were all samples received at an appropriate temperature (4 ± 2° C)? N/A 4 Were all QA/QC performance criteria specified in the NJDEP DKQP standards achieved? YES 5a Were reporting limits specified or referenced on the chain-of-custody or communicated to the laboratory prior to sample receipt? NO 5b Were these reporting limits met? N/A 6 For each analytical method referenced in this laboratory report package, were results reported for all constituents identified in the method-specific analyte lists presented in the DKQP documents and/or site-specific QAPP? YES 7 Are project-specific matrix spikes and/or laboratory duplicates included in this data set? NO Note: Page 3 of 76 For all questions to which the response was "No" (with the exception of question #7), additional information must be provided in an attached narrative. If the answer to question #1, #1a or #1b is "No", the data package does not meet the requirements for "Data of Known Quality".