WORK PLANS - Laserfiche WebLink

Home Browse Search

DRAINS,SUMPS AND CLARIFIERS Storm drains were observed in the parking and trailer truck loading dock areas of the subject property. No hazardous substances or petroleum products were noted in the vicinity of the drains. Based on the use of the drains solely for storm water runoff, the presence of the drains is not expected to represent a significant environmental concern. Various floor drains were noted within the subject property restrooms, and two drains were located in the subject property warehouse maintenance area. No storage of hazardous materials or petroleum products appeared present near the drains. Based on these observations, the presence of the drains is not expected to represent a significant environmental concern. One large drain was observed within the subject property forklift washing area, located within the subject property warehouse. The drain reportedly leads to a round plastic AST totaling approximately 5,000-gallons, which is situated on concrete within a locked room directly beyond the fagade of the building. The contents of the AST are reportedly pumped out and transported off-site by a materials hauler. The washing area was significantly stained with rust-like staining, likely related to the forklift washing practices formerly employed at the subject property. Due to the unknown integrity of the drain lines, the floor drains have the potential to act as conduits to the subsurface of the subject property for any materials that are discharged to the drain lines. Furthermore, there is a potential for overfilling of the AST. Based on the quantity of staining observed in combination with the presence of the floor drain and the unknown types and quantities of hazardous materials and/or petroleum products used and stored onsite, AEI is unable to rule out the potential that release to the subsurface of the subject property may have occurred via the drain or tank overfill, representing evidence of a REC. STAINED SOIL OR PAVEMENT Minor amounts of oily surface staining were observed in the parking and trailer truck loading dock areas. The staining appears to be from leaking vehicles and is surficial in nature. Based on the small size and the surficial nature of the staining, the staining is not expected to represent a significant environmental concern. OTHER Railroad tracks are located adjacent to the east and southeast of the subject property. Railroad spurs represent environmental concerns due to the historical application of oils containing PCBs, herbicides, and arsenic for pest and weed control, as well as the potential presence of creosote on the rail ties, and the historical common practice of using coal cinders for track fill material. The railroad tracks are surrounded by gravel. Based on the presence of gravel, the use of oils, arsenic, and herbicides associated with weed or pest control is expected to be minimal, and therefore does not represent a significant environmental concern. No hazardous materials or petroleum products were observed on-site during AEI's site inspection. However, signage within the subject property building provided evidence of former hazardous materials and/or petroleum product storage locations. Based on the lack of hazardous materials and/or petroleum products observed onsite during the site inspection, in conjunction with the trade secret nature of the materials/process used onsite (see Section 4.1.2), the types and quantities of materials formerly used at the subject property are unknown, representing a BER. Project No. 297376 AE1 June 22, 2011 Page 26 Consultants