Fort Walton Beach Ordinance — 1750 sale real property 109 Ready — reading text

representative sample was collected, that a as the well conductance) were measured repeatedly II temperature, pH, and specific was purged and purging continued until reasonable agreement between accordance wi th observed. two the In consecutive field parameter samples were the FDEP Superfund Site Screening Subsection for standard procedure adopted by IJ sampling field turbidity measurements were for metals, with USEPA Method laO . 1. also made on samples from All ground}fater samples monitoring wells in accordance units ( NTU) and than lO nephthelometric turbidity had turbidity levels greater metals concentration analyses. 11 were collected for both total and dissolved Dissolved metals samples were filtered in the field using disposable 0. 45 micron in- line filters which were attached to the outlet side of the peristaltic pump are Final field parameter measurements used for metals sample collection. 1 presented in Table 5. f, n 1 RAl.P2 14 FINAL 11/ 24/ 951 j  I i I I I' i I Surface Water Samplin~. The surface water samples were collected from sewer. the One pond, wetland areas, and the stormwater northwestern retention was collected from a wetland area located to the J.: background surface water sample avoid I',', The samples were collected in such manner so as to 1 a west of the site. disturbing surface sediments, while obtaining a representative sample. i samples the f. When sampler approached and collected sampling open water bodies, the i from the downstream direction gradient was present. if a The sampler did not inverted, gently enter the actual sampling area. Open sample containers were to allow the water lowered below the surface of the water, and then turned upright Ii The opening of the container I to pour the container at a low rate of flow. into was pointed in the upstream direction. Samples were capped above the water. Pre- were not used as surface water collection containe,rs. f:1 preserved sample containers and slowly and completely inverted Sample containers for volatile organics were I the bottom sediments. The container lowered into the water so as not to disturb, end of the container was pointed turned upright and filled. The open was slowly in undisturbed, gently flowing water. organic Volatile samples were upstream If! i., J j capped underwater wi th the exception of the samples collected from the stormW;3.ter drains. 1:'1 outl.ets the storm sewer were collected from Surface water samples collected from J storm drains were not Due to the safety concerns, of the french drain system. bottle procedure involved lowering a clean 1 liter glass entered. The sampling drain All collect outflow from the french pipe. in a harness so that it would bottles were filled from the collection extractable organics and volatile organics were collected using the peristaltic pump\ TeflonTlol tubing bottle. Metals samples arrangement used for groundwater sampling. II Field parameters werealso measured in all surface water samples. Temperatur~. conductance measurements in surface water samples are presented 1 pH, and specific in Table 5. 1 Sediment SamDlin~. To evaluate the surface water migration route, shallow 1:1 wetland that may provide a pathway for samples were collected from areas sediment within the iJ ontaminant migration north of the site, and at several locations was collected from A background sediment sample landfill for waste attribution. the west of the landfill. The approach for sediment sampling a wetland area to I. 11J and mixing volatile organics included collecting for each parameter group except were collected the 1 foot of material at each location. The sample aliquots upper steel The aliquots were mixed in a stainless with a stainless steel hand auger. from 1 not mixed but was collected directly The volatile organics fraction was pan. j the composite aliquots so that excessive the sampling device prior .to collecting volatization was prevented. and four subsurface soil samples