Specifications include, but are not limited to: The City of Scottsdale (COS) Arizona intends to award a contract for the purchase and installation of Two (2) Solid Phase Extraction (SPE) Units. Approximately sixty (60) drinking water, wastewater, surface, and ground water samples are analyzed per week using various EPA extraction methods. 1. AUTOMATED SOLID PHASE EXTRACTION UNIT 1: a. SPE Unit 1 must be capable of extracting compounds listed in the EPA 537.1 or EPA 533 methods. b. The SPE Unit 1 must be “minimal PTFE” option. c. The SPE Unit 1 must be able to process a minimum of 6 samples simultaneously through 6 mL cartridges. d. The SPE Unit 1 must be able to process sample volumes between 100 mL and 1000 mL. e. The SPE Unit 1 must accommodate minimum of 5 elution solvents and their mixtures. f. The SPE Unit 1 must have the option of rinsing sample container with aqueous buffers. g. The SPE Unit 1 must have the option of rinsing the sample containers with organic solvents and collecting the rinsate through the cartridge into 15 mL polyethylene or polypropylene elution tubes. h. The SPE Unit 1 may not be wider than 26” and it must fit in the standard laboratory hood. i. The SPE unit must be able to separate aqueous and organic solvent waste. j. SPE system must be able to utilize different cap adapters for a variety of sample bottles having narrow and wide mouths. k. The SPE system must have operator selectable capability for cartridge soak times, elution times, and air / nitrogen drying times. l. SPE system must be able to run directly front the controller and or instrument manufacturer software. m. The SPE system must allow for each extraction station to operate independently of each other. 2. AUTOMATED SOLID PHASE EXTRACTION UNIT 2: a. The SPE Unit 2 must run multiple Environmental Protection Agency (EPA) extraction methods including EPA Methods 521, 522, 525.2 and 525.3, and COS designed custom methods for extracting endocrine disruptor and pharmaceutical compounds. The system must be able to extract ground, surface, wastewater and drinking water samples. b. The SPE Unit 2 must be able to process minimum of 6 samples simultaneously through 6 mL cartridges. c. The SPE Unit 2 must be able to process sample volumes between 100 mL and 1000 mL. d. The SPE Unit 2 must be able to process samples with particulate matter. e. The SPE Unit 2 must accommodate minimum of 5 elution solvents, specifically methanol, dichloromethane, ethylacetate, MTBE, acetone, and their mixtures. f. The SPE Unit 2 must have the option of rinsing sample container with water.
