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Data Reporting for Field Collection Activities & Physical Testing

Data Reporting for Field Collection Activities & Physical Testing

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

Following sampling and testing, data reporting and statistical analysis of the results are necessary to determine the suitability of the proposed dredged material for ocean disposal. Coordination with the USACE SAD district and EPA Region 4 while analyzing the samples and reviewing the test data is recommended. Complete documentation of all laboratory data and statistical analyses must be supplied to the USACE SAD district. The following information supplements Section 13.0 of the 1991 Green Book.

7.1   Data Reporting for Field Collection Activities

General sample collection techniques for sediment and water collection must be documented. The report should include descriptions of positioning equipment, decontamination procedures, in situ measurements, sample processing procedures, compositing schemes, and any problems encountered during field collection activities. Dredged material management units should be provided on a map along with all sediment and water sampling locations. All original field sheets and core logs (if applicable) must be included as an appendix. Photographic documentation of sediment samples is recommended.

A table summarizing all sample collection information should be provided with the following information: sample ID, sampling date and time, coordinates (NAD 83), water depth, depth of water sample(s) collected, core depth (if used), identification of any compositing of samples, in situ measurements, sample description, general observations, tide cycle, and analyses to be conducted.

7.2   Data Reporting for Physical Testing

All physical data should be summarized and presented in tabular format with the following column headings, at a minimum, for each analyzed sample: soil description, % grain size information, % solids, soil classification, and specific gravity.

For physical data, the percentages of each size class (Table 5-1) should be reported as well as the USCS classification. In addition to reporting the percentages of each size class, the applicant must graph the cumulative frequency percentages using the USACE Engineering (ENG) Form 2087 or a similar form (Figure 7‑1). These forms should be included in the report or as a report appendix.

Particle size distribution report FILEminimizer

            Figure 7-1. Sediment Grain Size Gradation Graph/Form

Source:

USEPA/USACE. 2008. SoutheastRegional 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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