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Cutter Lumber Products Page 2 of 11 2/14/2020 • There is an existing detention basin that discharges to a vacant lot located south of the Facility. The basin was empty. According to Mr. Palma, all storm drain inlets located throughout the site discharge into the basin (see photos 1-3). • Finished product is stored outdoors (see photo 4). • Sawdust is captured in a baghouse and is dumped into a trailer. Saw dust on the ground is swept and disposed of into the same trailer (see photo 5). • Wet saw dust (as a result of cooling the saw blade with water) is removed from the cutting equipment and stockpiled on the floor under a shelter. This saw dust is also disposed of in the trailer (see photo 6). • Board staff was not able to identify sampling locations 1 and 2 during the inspection. Facility staff was not familiar with their location. Two storm drain inlets were located near where the sampling locations are shown on the Facility site map. These storm drain inlets were plugged with soil and did not appear to be operating (see photos 7-8). • Board staff observed a paint room at the equipment, paint storage building. The paint room is not clearly identified in the Facility's site map (see photo 9). • Board staff observed a floor drain, and a manhole covered in red paint inside the painting room (see photos 10-11). • According to a prior inspection of the Facility, the floor drain discharges to an oil/water separator. No information was available as to how water/residue in the oil/water separator is managed. Board staff did not observe any indications that the oil/water separator discharges to the existing detention pond. • Board staff also observed a storm drain grate inlet just east of the paint room that was painted red apparently from washing the painting equipment. The discharge location of this storm drain inlet is unknown (see photo 12). • Paint used to paint the pallets is stored indoors (see photo 13). • Oil and other hazardous materials are also stored indoors and in secondary containment (see photo 14). File Review Board Staff reviewed the Storm Water Pollution Prevention Plan (SWPPP) and site map uploaded by the Discharger into SMARTS during the inspection. The site map (Attachment 1) does not show the flow direction of the onsite storm drain system, nor the location of the paint room or the oil/water separator. The SWPPP also does not provide information about the operation and maintenance of the oil/water separator (a structural Best Management Practice), nor of its discharge location. Board staff was not able to review the inspection reports at the time of the inspection because they were not available at the Facility. Reports are kept offsite at the Facility's Livermore office. Date Entered: Entered By: Signature Date 2/19/2020