<p> NELAP Quality Systems Checklist Chemistry On-site</p><p>Date:______</p><p>Assessor:______</p><p>Organization Name:______</p><p>Analytical Grouping: SVOCs______</p><p>Methods: 525.2______</p><p>Person(s) Interviewed:______</p><p>Records Reviewed:______</p><p>Category Comments</p><p>Blank</p><p>Terphenyl-D14 – recovery standard – add to each extract Confirmation</p><p>CCV Limit: ± 30%, ISTD ±50% from ICAL – beginning & end of run, IS>70%</p><p>Additional : One CCV per tune window. Continuing Tune window 12 hours,. DFTPP Calibration DDT Breakdown ≤20%. Resolution - Anthracene and phenanthrene should be separated by baseline. Benz[a]anthracene and chrysene should be separated by a valley whose height is less than 25% of the average peak height of these two compounds.</p><p>Data Analysis</p><p>Data Review</p><p>IDOC: ±30%, RSD <30% Demonstration of CDOC: ±30%, RSD <30% Capability</p><p>Duplicates</p><p>Equipment</p><p>Facilities</p><p>10 January 2006 1 of 5 03d04a0af544dbde780dfd9ac5405d5f.doc Category Comments</p><p>Glassware</p><p>Minimum # of Cal Points: 3, RSD Limit: 30% Correlation Coefficient: ≥ 0.990 Initial Calibration RSD of RF <30% ICV Limit: ± 30%</p><p>Limit: ± 30% LCS</p><p>LODV: 1-4x LOD LOQV: 1-2x LOQ LOD/LOQ</p><p>Marginal Exceedences</p><p>Limit: ± 30% Matrix Spike</p><p>Method Validation</p><p>Non-Standard Methods</p><p>Personnel</p><p>Proficiency Testing</p><p>Ion ratios: <20% QC</p><p>Reagents & Media</p><p>Records</p><p>Records-Electronic</p><p>10 January 2006 2 of 5 03d04a0af544dbde780dfd9ac5405d5f.doc Category Comments</p><p>Records-Raw Data</p><p>1L sample volume. Add 40-50mg Na2S2O3 . pH adjusted to < 2 with 6N HCl.</p><p>Sample Receiving Cyanazine: dechlorination/acidification immediately prior to analysis - analyze within 14 days; Atraton & Prometon: dechlorinate only.</p><p>Extraction Hold Time: 14 days Analytical Hold Time: 30 days Samples</p><p>Selectivity</p><p>SOP</p><p>Support Equipment</p><p>Surrogate Limit: ± 30% - 1,3-Dimethyl-2-Nitrobenzene, Perylene-d12, Triphenylphosphate Internal Standard Limit: ≥70% of mean ICAL – Acenaphthene-d10, Chrysene-d12, Phenanthrene-d10 Surrogates For SPE, add some of IS before extraction</p><p>Traceability</p><p>Work Cell</p><p>10 January 2006 3 of 5 03d04a0af544dbde780dfd9ac5405d5f.doc Category Comments</p><p>Additional Comments:</p><p>Tuning Criteria From To Relative to m/z 51 10 80 198 68 0 2 69 70 0 2 69 127 10 80 198 197 0 2 198 198 base peak 199 5 9 198 275 10 60 198 365 1 100 198 441 present less than 443 442 (alt. base peak) 50 100 198 443 15 24 442</p><p>Extraction – 1 L sample - from disk or cartridge – ethyl acetate, then MeCl2, evap down</p><p>10 January 2006 4 of 5 03d04a0af544dbde780dfd9ac5405d5f.doc 10 January 2006 5 of 5 03d04a0af544dbde780dfd9ac5405d5f.doc</p>