6807 EVERGREEN WAY 2016-01-01 MF Import

4-2.1.8 BiVIP C1.80 TREATMENT AND DISPOSAL OF CONTAMINATED SOILS Contaminated ground water or soil may be encountered during earthwork activities or by the spill or leak of a hazardous product. The contaminant may be known or unknown. Sampling and laboratory tescs may be required to detertnine whether a landfill can accept the contaminated soil. The Model Toxics Control Act, Ch. 70.105 RCW, requires that Ecolegy's Toxic Cleanup Program be notified if contaminated soil or ground water is r.ncountered during a project. �-2.1.9 BMP C 1.90 CONCRETE TRUCKS/SPRAY WASHING OF EXFOSED AGGREGATE DRNE�'VAYS:IND WALKWAYS The following are acceptable areas for dis�osal of the washout from a concrete tnrck: - A designated area which will later be backfilled (i.e., a slurry pit). - An area where the concrete wash can harden, be broken up, and then put in a dumpster. - A location which is not subject to surface water runoff, and more than 50 feet away from a storm drain, open ditch, or receiving water. Nashout from concrete trucks ma}• never be dumpeci: - [r.to a sanitary sewer - Into a storm drain - Onto soil or pavement which conveys stormwater runoff away from the area. When spray washing driveways or walkways to expose the aggregate, all wash water should be diverted or sprayed [o the sides of the driveway, not down the driveway. [f wat�r must run dewn the driveway towards the street or sidewalk, it should be diverted at the bottom ro a sump or sediment trap. 4-2.1.10 Bn'IP C2.Q0 USE OF SANDBLASTING GRITS Sandblasting grits are a hazardous waste if used to clean old buildings where lead, cadmium, or chrome-based paints «•cre applied. They cannot be washed into any sewe� system. A licensed waste management firm or treatment, storage and disposal facility should be contacted for disposal of these materials. 42.1.11 BbIP C2.10 DISPOSAL OF ASBESTOS AND PCBS Use and disposal of Ihese po[ential pollutants are regulated by both �tate and federal agencies. For further inFortna[ion regarding asbestos, call the Puget Sound Air Pollution Control Agency at 29h-7330 or the U.S. EPA at 44?-7369. For Wastes Containing PCBs, call the Department of Ecology, Hazardous Wast.e Section at 449-6687 or the U.S. EPA at 442-7369 42.2 LAND US� SOURCE CONTROL BhIPS .S-Z.2.1 BMP 51.10 FiJELING S1TES fraddiVia ehouses, car wa.,�hr. � and busi iesses�w�h fleetivehicles.aFuei ng aLso occurs at port facilities and n 4-2-5