Document JJJM60M0pY4mwmg6076K7be3e

AR226-2328 J Bari Ruiter 04/08/2003 07:34 AM To: cc: Subject: Maria S Angelo/AE/DuPont@ DuPont, Richard S Vickery/AE/DuPorrt@DuPont, Thomas R Morgan/AE/DuPont@DuPont, Mary A Kaiser/AE/DuPont@ DuPont Stephen W Constable/ABDuPont@ DuPont, Catherine A Barton/AE/DuPont@DuPont Robert A Reich/AE/DuPont@ DuPont ' Chambers W orks: Effluent and River Draft Sampling Plan M aria, Rick and Tom 1upgraded the Phase I sam pling plan fo r the effluent and rive r based on your comments. This should be the fina l sampling plan. Any questions let me know Bart Effluent and River Sampling Plan (4/8/03) O bje ctives o f S am pling Plan Perform screening assessm ent o f wastewater outfalls and river. S am pling Locations O utfall sam ple) 001 & 662. (O utfall 662 is filtered w /.45 micron filte r and unfiltered Internal Sampling Points 529 & 803 & Regional Tank 883/A R iver Samples - CW Intake 101 - Salem Canal Raw water intake and finished water Upstream R iver Sam ple sample (after carbon filte r) DuPont Repauno Intake Sam ple Type Delaware R iver and Salem Canal samples 24 hour com posite sample O utfall and internal sam ples 48 hour composites (2 - 24 hour com posites combined) Note (O utfall sam ples 001 and 662 should lag approxim ately 24 hours after internal sam ples to take into account HRT o f W W TP) Param eters to be S am pled PFOA TSS TOC $625 per sam ple which includes replicate and spike Blanks - Equipment Blank w ill be collected by running analyte free w ater supplied by Exygen over ISCO tubing, ja r and strainer a t Salem canal and one location at W W TP before sampling. A field blank w ill be E X D 747768 collected by bottle to bottle transfer at Salem canal and one locatibn at W W TP at the end o f the sam pling event. Duplicate fo r each day o f sam pling A n a ly tic a l Laboratory Exygen S am pling Technique 3M SOP Water Samplings sampling precautlons.pi C o lle c tio n o f Sam ples (T im in g ) Based on input from the mass balance team , sam pling events w ill be coordinated to four operating scenarios: No loading (baseline) W W /D D E W W /D FS A ll areas First sam pling event targeted fo r week o f 4/14 Second sam pling event targeted fo r early May Third sampling event targeted for. late May (depending on production schedules) Baseline sample w ill need to be orchestrated fo r when no units are running Upstream river sam ple only needs to be taken during firs t sam pling event Salem canal sample only needs to be taken during first sam pling event R iver intake - TBD Note: surface water sam ples do not have to be taken sim ultaneously as W W TP samples, but close in tim e C o st E stim ate a) O utfall and Internal Sam pling per sampling event Manpower fo r Sam ple Collection . $8 00 pe r event Analytical Costs (8 sam ples) $5000 per event (001,662 filtered and unfiltered, 529, 803, duplicate, field, and rinse blank) b) R iver Sampling pe r sam pling event Manpower fo r Sam ple C ollection $ 800 per event Analytical Costs (7 sam ples) $4375 per event (Intake 101, Salem Canal Raw and Finished water, Repauno Intake, duplicate, field, and rinse blank) O th er Record M anufacturing O perations & OSWB A ctivity at Tim e o f Sam pling The cost estim ate assumes that the outfall and rive r sam pling w ill be perform ed on different days. Any samples that need filtering, URS w ill filte r the sam ples w ith a .45 micron sample E ID 7 4 7 7 6 9 Bottles w ill be delivered to Mike Aucoin at BMP 27. Bottles fo r any sam ple that is not collected at the Chambers W orks fa cility (e.g. Repauno Intake) w ill not be brought on site. New tubing w ill be used fo r each sampling event E ID 7 4 7 7 7 0