Charleston Harbor Deepening Awaits Approval from Congress

Charleston Harbor waiting authorization from Congress for deepening.

Data Reporting for Chemical Testing

(Excerpted from the Southeastern Regional Implementation Manual [SERIM])

 

7.3   Data Reporting for Chemical Testing

All chemical data should be summarized and presented in tabular format. Additionally, all laboratory data should be provided in the Testing Report (see Appendix D) and in electronic tabular format (e.g., spreadsheet, delineated text file). Analytical data reported by the laboratories [with National Environmental Laboratory Association Conference (NELAC) standard qualifiers] must be included in the appendix section of the report.

PCB congeners should be reported as individual congeners as well as total PCBs. Total PCBs should be reported as EPA Region 4 PCBs and as NOAA PCBs. EPA Region 4 PCBs represents the sum of all the PCBs listed in Table 5-6. NOAA PCBs represents the sum of the PCB congeners identified by an asterisk in Table 5-6 and are calculated by the following equation:

              cem. testing photo 1(NOAA, 1989)           [Eq. 7-1]

In addition to the individual PAHs, total PAHs should also be provided as total low molecular weight (LMW) PAHs and total high molecular weight (HMW) PAHs, as described in Table 5-5.

Organotin must be reported as the individual compounds and total organotin. Total organotin should be reported on a tin basis as follows:

chem. testing photo 2[Eq. 7-2]

Refer to Section 5.2 for information on reporting data to the TDLs and LRLs. All data should be certified to be accurate by the analytical laboratory or by a third-party data validator.

Source:

USEPA/USACE. 2008. Southeast Regional Implementation Manual (SERIM) for Requirements and Procedures for Evaluation of the Ocean Disposal of Dredged Material in Southeastern U.S. Atlantic and Gulf Coast Waters. EPA 904-B-08-001. U.S. Environmental Protection Agency Region 4 and U.S. Army Corps of Engineers, South Atlantic Division, Atlanta, GA.

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