Filter Material Infiltration Change in Change in pH Observations Time Turbidity 2.5cm x2.5cm Tea particles caught in cheesecloth. Cheesecloth 10.24 sec 0 0 Square Cheesecloth stained green. (4 ply) a moment for solution to begin dripping 1/3 Cup Sand & Cheesecloth 5.82 min + 7 0 Tea particles caught in sand. Square Sand has tint after filtration 1/3 Cup Gravel & Cheesecloth 23.83 sec 0 0 Tea particles caught in gravel. Square 1/3 Cup Rocks & Cheesecloth 17.82 sec 0 0 Tea particles caught in rocks. Square Not enough filtered through to 1/3 Cup complete infiltration. Limestone & - - +1 Cheesecloth Tea particles caught in limestone. Square Increased turbidity.
Filter Material Infiltration Time Change in Turbidity Change in pH Observations 2.5cm x2.5cm Cheesecloth Square (4 ply) 10.24 sec 0 0 Tea particles caught in cheesecloth. Cheesecloth stained green. 1/3 Cup Sand & Cheesecloth Square 5.82 min + 7 0 a moment for solution to begin dripping Tea particles caught in sand. Sand has tint after filtration 1/3 Cup Gravel & Cheesecloth Square 23.83 sec 0 0 Tea particles caught in gravel. 1/3 Cup Rocks & Cheesecloth Square 17.82 sec 0 0 Tea particles caught in rocks. 1/3 Cup Limestone & Cheesecloth Square - - +1 Not enough filtered through to complete infiltration. Tea particles caught in limestone. Increased turbidity.
ms-bioswale-data-analysis-handout-v1.1.docx