Document kDnn05g7Z01vyvjRX30ayD6Ey

CHITOLIE TRUCKING SERVICE, NPDES Reconnaissance Stormwater Inspection (SWI) Photo Album; 11-2-2022 Walkthrough A. Observations that revealed potential non-compliance with regulations implementing the CWA and TPDES Stormwater Rules during the SWI Walkthrough IMG 760-Storage cell with sand situated about mid- IMG 762-Storage cell with gravel situated next to way along the eastern border of the Facility. Cell is sand storage. Storage area exposed to stormwater exposed to rain and stormwater runoff flow. runoff flow, leading to wash-off of material. IMG 767-Bags of cement stored immediately next IMG 768-Observed that the cement bags and spilled to aggregate (sand & gravel) cells. Some bags were cement sits in the stormwater flow path. Cement ripped, with cement spilled onto ground. spilled will be washed-off by stormwater runoff. 1 IMG 765-Close-up of cement and gravel in the path IMG 766-Close-up retention pond, and deposited of stormwater flow that drains toward the retention spent concrete used to form a berm. IMG 763-Observed dry-weather flow coming from IMG 764-Path of dry-weather flow from the ready- the ready-mix concrete plant and drained towards mix concrete plant running across the yard towards the pond. the retention pond. IMG 773-Edge of the pond where spent concrete to IMG 774-Dry-weather flow the pond drains away a berm. The berm ineffective because a dry-weather from the pond across the yard towards the lower flow drained from the pond. and out of the Facility. entrance/exit, transporting pollutants (e.g., industrial wastewater). 2 IMG 775-Dry-weather flow being discharged from IMG 777-Dry-weather flow leaving the Facility and Facility through the lower entrance/exit. out into the public road. IMG 778-View of dry-weather flow event occuring IMG 776-Evidence of stormwater flow path from and running along left side of the road downhill a staging area for fuel-tanker trucks, dump trucks in the stormwater flow path along the road. other heavy equipments before draining off-site. IMG 786-View of ready-mixed concrete loading bay, the wider ready-mixed manufacturing plant. situated adjacent to the Admin Office. IMG 780-Close-up of the ready-mixed concrete loading bay, inclined down towards the public road. 3 IMG 781-View of the ready-mix loading bay, upper IMG 782-Evidence of track-out of pollutants from entrance/exit and stormwater flow path out of the Facility and into the public road. Path of stormwater Facility and into the public road. runoff leaving the Facility from upper entrance/exit. IMG 771-Accummulation of spent auto batteries IMG 769-Container in which the Facility's used oil situated on floor of maintenance shed in potentially is collected and stored on-site. Improper housekeep- managed under incompatible conditions. ing conditions observed and documented. IMG 772-Facility's fueling terminal situated in path of stormwater flow. No containment in area where vehicles are staged for fueling service. 4 IMG 785-Accumulation of water beneath ready-mix IMG 783-Close-up of accumulated water beneath Ed concrete batch plant related to operations of the the batch plant, and point where dry-weather flow system. Source of a dry-weather flow observed. observed began. IMG 784-Observed totes of chemical additives with connective application hoses by stormwater into the ready-mix concrete manufacturing process. 5 B. Identified outfalls for the discharge storm water associated with industrial activity from the Facility, as observed during SWI Walkthrough on November 2, 2022. Outfall 1 Outfall 1 - Discharge of stormwater flow from the upper driveway into area stormwater drainage system, then into Cane Garden Bay IMG 782-Discharge point where stormwater runoff flow from around the Ready-Mixed Concrete Plant loading bay and vicinity of the Administrative Building are combined and discharged into the public road through the upper entrance/exit. Stormwater flow drains into Fig Tree Ghut, and Cane Garden Bay downstream. Outfall 2 Outfall 2 - Discharge of stormwater flow from the lower driveway into the area stormwater drainage system, then into the Cane Garden Bay IMG 777- Discharge point where stormwater runoff flow from the central area (shallow retention pond) combined with flow from the northwestern (truck parking area) of the Facility and discharged into the public road through the lower entrance/exit. Stormwater flow drains into Fig Tree Ghut, and Cane Garden Bay downstream. 6