Matrix Matrix Description ------ ------------------ BAL ALGAE BAN ANIMAL BFE FEATHERS BFI FISH TISSUE BPL PLANT DI DEIONIZED WATER FLOC FLOCCULENT GW GROUNDWATER PERI PERIPHYTON PW PORE WATER RA RAIN SA SALINE SE SEDIMENT SO SOIL SW SURFACE WATER UNK UNKNOWN Query returned 16 records.