{UTF-8}
"200 kg in lakes?"=
	200
	~	
	~		|

Flow in River Connecting 1 and 2=
	rate of flow out of 1*Lake 1
	~	
	~		|

Flow in River Connecting 2 and 3=
	rate of flow out of 2*Lake 2
	~	
	~		|

flow out to ocean=
	rate of flow out of 3*Lake 3
	~	
	~		|

Lake 1= INTEG (
	rate of pollution flow-Flow in River Connecting 1 and 2,
		0)
	~	
	~		|

Lake 2= INTEG (
	Flow in River Connecting 1 and 2-Flow in River Connecting 2 and 3,
		0)
	~	
	~		|

Lake 3= INTEG (
	Flow in River Connecting 2 and 3-flow out to ocean,
		0)
	~	
	~		|

rate of flow out of 1=
	0.2
	~	
	~		|

rate of flow out of 2=
	0.18
	~	
	~		|

rate of flow out of 3=
	0.16
	~	
	~		|

rate of pollution flow=
	IF THEN ELSE( Time <=5 , 100 , 0)
	~	
	~		|

********************************************************
	.Control
********************************************************~
		Simulation Control Parameters
	|

FINAL TIME  = 36
	~	Month
	~	The final time for the simulation.
	|

INITIAL TIME  = 0
	~	Month
	~	The initial time for the simulation.
	|

SAVEPER  = 
        TIME STEP 
	~	Month [0,?]
	~	The frequency with which output is stored.
	|

TIME STEP  = 0.125
	~	Month [0,?]
	~	The time step for the simulation.
	|

\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*View 1
$192-192-192,0,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|72,72,200,0
10,1,Lake 1,151,94,40,20,3,3,0,0,0,0,0,0
10,2,Lake 2,291,155,40,20,3,3,0,0,0,0,0,0
10,3,Lake 3,440,215,40,20,3,3,0,0,0,0,0,0
1,9,11,2,4,0,0,22,0,0,0,-1--1--1,,1|(211,156)|
1,10,11,1,100,0,0,22,0,0,0,-1--1--1,,1|(165,131)|
11,11,0,165,156,6,8,34,3,0,0,1,0,0,0
10,12,Flow in River Connecting 1 and 2,165,181,44,17,40,131,0,0,-1,0,0,0
1,14,16,3,4,0,0,22,0,0,0,-1--1--1,,1|(355,212)|
1,15,16,2,100,0,0,22,0,0,0,-1--1--1,,1|(305,189)|
11,16,0,305,212,6,8,34,3,0,0,1,0,0,0
10,17,Flow in River Connecting 2 and 3,305,239,44,19,40,131,0,0,-1,0,0,0
12,18,48,591,215,10,8,0,3,0,0,-1,0,0,0
1,20,22,18,4,0,0,22,0,0,0,-1--1--1,,1|(558,215)|
1,21,22,3,100,0,0,22,0,0,0,-1--1--1,,1|(502,215)|
11,22,0,530,215,6,8,34,3,0,0,1,0,0,0
10,23,flow out to ocean,530,240,27,17,40,131,0,0,-1,0,0,0
10,24,rate of flow out of 1,260,100,35,15,8,131,0,0,0,0,0,0
10,25,rate of flow out of 2,385,154,37,18,8,131,0,0,0,0,0,0
10,26,rate of flow out of 3,534,160,34,14,8,131,0,0,0,0,0,0
1,27,24,11,0,0,0,0,0,64,0,-1--1--1,,1|(208,130)|
1,28,1,11,1,0,0,0,0,64,0,-1--1--1,,1|(126,124)|
1,29,25,16,0,0,0,0,0,64,0,-1--1--1,,1|(340,186)|
1,30,2,16,1,0,0,0,0,64,0,-1--1--1,,1|(265,180)|
1,31,26,22,0,0,0,0,0,64,0,-1--1--1,,1|(532,184)|
1,32,3,22,1,0,0,0,0,64,0,-1--1--1,,1|(485,232)|
12,33,48,27,99,10,8,0,3,0,0,-1,0,0,0
1,35,37,1,4,0,0,22,0,0,0,-1--1--1,,1|(91,99)|
1,36,37,33,100,0,0,22,0,0,0,-1--1--1,,1|(48,99)|
11,37,0,65,99,6,8,34,3,0,0,1,0,0,0
10,38,rate of pollution flow,65,125,29,18,40,131,0,0,-1,0,0,0
10,44,"200 kg in lakes?",73,218,44,8,8,3,0,0,0,0,0,0
12,45,0,231,369,174,95,3,188,0,0,1,0,0,0
Pollution_Flow
10,46,Time,64,28,21,8,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|0||128-128-128
1,47,46,37,0,0,0,0,0,64,0,-1--1--1,,1|(64,57)|
///---\\\
:GRAPH Pollution_Flow
:TITLE  
:X-AXIS Time
:SCALE
:VAR Lake 1
:Y-MIN 0
:VAR Lake 2
:VAR Lake 3
:VAR "200 kg in lakes?"
:LINE-WIDTH 5
:L<%^E!@
1:Current.vdf
9:Current
22:$,Dollar,Dollars,$s
22:Hour,Hours
22:Month,Months
22:Person,People,Persons
22:Unit,Units
22:Week,Weeks
22:Year,Years
22:Day,Days
23:0
15:0,0,0,0,0,0
19:200,0
27:2,
34:0,
4:Time
5:rate of pollution flow
35:Date
36:YYYY-MM-DD
37:2000
38:1
39:1
40:2
41:0
42:1
24:0
25:36
26:36