Trace Elements. Aqueous samples will be submitted for analysis in 500-mL or 1000-mL containers preserved with analytical grade nitric acid. Sediment samples will be submitted in I-Chem glass jars. As needed, Contractor will filter aqueous samples using a 0.45 μm groundwater filter. Contractor will conduct analyses using the following methods or approved equivalent:
Trace Elements. Arsenic (As) 2 PPM Barium (Ba) 179 PPB Boron (B) 2 PPM Carbon (C, org) 2 PPM Calcium (Ca) 50 PPB Cadmium (Cd) 30 PPB Cobalt (Co) 1260 PPB Chromium (Cr) 7 PPM Copper (Cu) 2 PPM Mercury (Hg) 44 PPB Potassium (K) 300 XXX Xxxxxxxxx (Xx) 0000 PPB Molybdenum (MO) 2 PPM Sodium (Na) 100 PPB Nickel (Ni) 2 PPM Lead (Pb) 4 PPM Selenium (Se) 00 XXX Xxxxxxxxx (Xx) 423 PPB Uranium (U) <850 PPB Vanadium (V) 2 PPM Zinc (Zn) 2 PPM Delivery Requirements Contractor shall make “normal” deliveries within three (3) days after receipt of order and must make “emergency” deliveries within 24 hours. An emergency delivery is defined as a delivery which is necessary in order to prevent the CITY from running out of sulfuric acid in less than 36 hours. CITY shall endeavor to minimize the number of “emergency” deliveries. The Contractor shall be responsible for any spills resulting from the failure of its or its subcontractor’s delivery equipment or from failure of attendant delivery personnel in the proper performance of their duties. Proper performance shall require attendant delivery personnel’s constant inspection and observation of unloading operations and knowledgeable response to problems or emergencies, which would most commonly be expected to occur. The CITY reserves the right to refuse any and all deliveries made with equipment that is poorly maintained and/or leaking sulfuric acid. The tanks or trailers shall be clean and free of residue that may contaminate the Contractor’s product or impede the unloading process. It is the Contractor’s responsibility to verify the cleanliness of the transporting equipment before loading. All appurtenant valves, pumps, and discharge hoses used for the delivery of sodium hypochlorite shall be supplied by the Contractor and shall be clean and free from contaminating material. The CITY may reject a load if the equipment is not properly cleaned. The Contractor shall furnish a CITY approved, leak-free connection device between the trailer and the CITY’s intake receptacle. The Contractor shall observe the entire filling operation at each delivery site and shall immediately report any spills caused during the filling operations. The Contractor shall take immediate and appropriate actions to clean up any spilled liquid sodium hypochlorite. If the spill is not cleaned up, the CITY will hire a certified hazardous material handling company to clean up the spill, and the cost of such service will be charge to the Contractor and deducted from the amount ...
