Specifications include, but are not limited to: A. Sample Submittal and Shipment. The City shall be responsible for the shipping of the samples to the Contractor. The Contractor shall contact the Point of Contact by email or phone upon receipt of the samples to confirm that the samples were received. The Contractor shall provide the following: Appropriately prepared, pre-labeled sample containers. Influent and effluent samples shall be collected and processed in accordance with protocols found in Quality Assurance and Quality Control (QA/QC) for 301(h) Monitoring Programs: Guidance on Field and Laboratory Methods (EPA 430/9-86-004 1987). Specific transporting instructions. B. Sample Collection. The Contractor shall provide the following: Instructions on collection procedures (if applicable). Guidance on sample size, preservation techniques, maximum holding times. C. Analytical Procedures. The Contractor shall analyze the samples according to the references appearing in Table I attached herein. 1. Plant Influent/Effluent. a. 2,3,7,8 – Tetrachlorodibenzo-p-dioxin shall be analyzed using Method 1613B. 1) Laboratory Procedures: 2,3,7,8 – Tetraclorodibenzo-p-dioxin shall be determined according to procedures appearing in Reference #3. 2) Calibration and Preventative Maintenance: Calibration checks of the GC/MS and preventative maintenance shall be performed according to Reference #3. 3) Quality Control Checks: As a measure of precision and accuracy, duplicate and full list matrix spike (MS, MSD, LCS) analysis shall be performed on the City sample as described in Reference #3. a) Method blanks, surrogate compounds and standard reference material shall by analyzed. b) Appropriate corrective measures, such as those listed in Reference #3, shall be taken when QC samples fall outside established limits. 4) Data Quality and Reporting: The Contractor shall provide a case narrative and data summary for each sample. a) All data shall be reported as pg/L using two (2) significant figures. b) Results shall be evaluated against the Method Detection Limit. Anything at or above Method Detection Limit shall be reported. c) Data shall be blank corrected. d) Spike recoveries, relative percent difference between duplicates, and blank results (ng/sample) shall be submitted. e) The following information shall also be provided: i. Method Detection Limit. ii. Minimum Level. iii. Reporting Limit. iv. Sample volume extracted. v. Final volume of extract. vi. Amount of extract injected. vii. Instrument calibration verification. viii. Detection limit of 2,3,7,8 – Tetrachlorodibenzo-p-dioxin. ix. Blank associated with the sample. x. Deviations from prescribed method. xi. Problems associated with the analysis. xii. Confirmation procedures on compound identification. xiii. Copy of spectrum of any identified compound and its respective confirmation.
