ࡱ> pro3 bjbjdd $`ElNNNNNNNb8bW      &&&&?'?.W${X ZRWN     RWhNN  gW"hhh .N N &h &hhPr"TNN#  z*bH:"M##W<W[#S[\ S[#hbbNNNNCENTRAL VALLEY REGIONAL WATER QUALITY CONTROL BOARD  ADVANCE \d 5 INSPECTION REPORT 29 September 2006 DISCHARGER: Port of Stockton, Bay Sulfur, Metropolitan Stevedore, & H. J. Baker LOCATION & COUNTY: 2201 West Washington Street, Stockton, San Joaquin County CONTACT(S): Jeff Wingfield, Port of Stockton INSPECTION DATE: 29 September 2006 INSPECTED BY: Victor Izzo Mary Boyd ACCOMPANIED BY: Jeff Wingfield, Port of Stockton Peter D. Weiler, Ph.D, Environmental Risk Services, Inc. David Wilkey, Bay Sulfur (i.e., Martin Midstream Partners) Amer Hazboon, Miller Brooks Thomas Mogan, Metropolitan Stevedore Company John T. Maranda, H.J. Baker & Bro. Inc. Chuck DeJong, H.J. Baker & Bro. Inc. Zachary R. Walton, Paul Hastings Attorneys Susan M. Gallardo, Geomatrix OBSERVATIONS AND COMMENTS: The purpose of this inspection was to verify that the Ports outdoor bulk sulfur facilities had implemented their Sulfur Management Plans. Features that were inspected included checking for sulfur coated soils, installation of windscreens, good housekeeping practices, installation of new conveyor belts, and other items related to the Sulfur Management Plan. Findings and observations are listed below for each Discharger. Bay Sulfur Progress Repaired wind screens/siding and installed/repaired the 40 bay door. However, sulfur piles extend well above windscreens (see Photo 1 and 9). Upgraded the poly drain system and installed a new process water sump. However, the process water has already eroded the new concrete down to the aggregate. See Photo 2 where concrete is eroded at inlet to sump. Implemented housekeeping practices to contain sulfur prill within the storage area. Isolating the storm water and process water ponds. We noted water in their lined pond (Photo 3). The drain system conveys sulfur-laden water to their neutralization system. See Photo 4 for the drainage trench. Upgrading the water neutralization system. This system will eliminate the need to store water in the ponds (Photo 5). Water will be re-circulated in the new system until it approaches a neutral pH (6.5 8). Removed visible sulfur from surfaces. Some sulfur was noted on pavement outside the contained work area. See Photo 6 with yellow sulfur noted next to black mats. Remaining Issues Sulfur piles extend well above windscreens. This situation contributes to wind-blown sulfur outside the contained area. New concrete sump requires a coating or liner system to prevent further erosion of concrete. Ponds need to be blocked, isolated, and removed from service. Metropolitan Stevedore Progress Load hopper at Area 1 has been cleaned (Photo 7) to remove sulfur from pavement beneath the hopper. Removed most visible sulfur from soil surfaces as described in their sulfur management plan. Photo 8 shows the last remaining soil pile at the site. Installed new belts on their conveyors so that sulfur would not fall from the belts (Photo 9 shows the new belt at Area 2). Cleaned soil surfaces of sulfur and installed an asphalt bermed area at conveyor #4. Installed new catch pans under conveyors (Photo 10). Installed rubber flap gate under ship loader down spout to contain bulk materials. Photo 15 shows the ship loader at Dock 12 Cleaned soil surfaces of a mixture of sulfur/coal and placed into a bin. See Photo 11 where some residual sulfur remains at the base of the coal piles at Area 6. Replaced top 20-feet of the transition at conveyor #5. Remaining footage of transition is scheduled for upgrade in the near future. Remaining Issues Repair broken and leaking pipe at the storm water pond adjacent to Area 1 (Photos 12, 13, & 14). Transport and dispose of the remaining sulfur-impacted soil pile located at Area 3 (Photo 8). Sample surface soil where sulfur was removed. Prevent water from accumulating at Area 3 where soil was excavated/removed. H. J. Baker Progress Installed/replaced windscreens (Photos 16 & 18). Improved housekeeping with a PM-10 mechanical sweeper. Installed K-rails to help contain sulfur prill (Photo 17). Crushed prill now processed inside (Photos 20 & 21). Implemented improved housekeeping practices. Remaining Issues Sulfur piles extend above windscreens. This contributes to the wind blown sulfur problem (Photos 16 & 19). SUMMARY: The Dischargers housekeeping practices have improved. Sulfur-impacted soil has been excavated and hauled off site, except for the soil pile at Area 3. Upgrades and repairs have been made to the conveyance systems to prevent sulfur drift off conveyors. Windscreens were installed to mitigate the drift from sulfur piles. However, when sulfur piles extend above windscreens, the usefulness of the screens is diminished. Bay Sulfur must notify the Regional Water Board when they plan to isolate and decommission their ponds and shall install a coating and/or liner on their new sump. Metropolitan must repair the broken pipe feeding into their storm pond at Area 1 and remove the remaining soil pile at Area 3. DischargerPhotograph No.DescriptionBay Sulfur1View of repaired windscreens & sulfur prill extending above screens. 2New concrete process water drainage sump showing conveyance trench to sump & corroded concrete. 3Lined pond for process water.4View of drainage system for process water. This is the drainage the empties into the sump in Photo 15Storm drain pond.6Prilling area.Metropolitan Stevedore7Load hopper located at Area 1.8Area 3. Sulfur impacted soil pile. T&D is pending the results of sampling and analysis.9New conveyor belt at Area 2.10Overhead conveyor showing upgraded/repaired catch pans.11Base of coal piles at Area 6. Some sulfur remains on the soil.12, 13, 14Strom water pond at Area 1. Broken pipe is feeding water into the pond.15Ship loader at Dock 12H.J. Baker16New/upgraded windscreens. Sulfur pile extending above windscreens.17K-rails around sulfur prill piles.18View of upgraded windscreens.19Prill piles.20Entrance to building for sulfur fines21Inside view of sulfur fines building. 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