orsanco’s role in spill events
Post on 31-Dec-2015
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ORSANCO’S ROLE IN SPILL EVENTS
• COMMUNICATION• TIME OF TRAVEL ESTIMATION• INSTREAM CONCENTRATION CALCULATION• ON-RIVER RESPONSE
37%
24%
19%
10%
5%
2% 2%
Chloroform
Dichlorobromomethane
Dibromochloromethane
Tetrachloroethylene
1,1 Dichloroethene
Bromoform
1,1 Dichloroethane
Seven Compounds Most Frequently Detected by the Organics Detection System
Organics Detection SystemORSANCO ODS Benzene DetectionsFebruary 2 - 19, 2003
0
2
4
6
8
10
12
14
16
0 2 4 4 8 7 2 9 6 1 2 0 1 4 4 1 6 8 1 9 2 2 1 6 2 4 0 2 6 4 2 8 8 3 1 2 3 3 6 3 6 0 3 8 4 4 0 8
Days
Ben
zene
, ug/
L
Weirton Wheeling Sistersville Parkersburg Huntington Portsmouth Cincinnati Louisville
Mon Tues Wed Thur Fri Sat Sun Mon Tues Wed Thur Fri Sat Sun Mon Tues Wed Thur 2/2 2/3 2/4 2/5 2/6 2/7 2/8 2/9 2/10 2/11 2/12 2/13 2/14 2/15 2/16 2/17 2/18 2/19
ORM 65 ORM 87 ORM 138 ORM 191 ORM 304 ORM 351 ORM 463 ORM 609
MCL Benzene, 5 ug/L
Spill Detection Program, Volatile Organics
CONCENTRATION OF METHYLENE CHLORIDE IN OHIO RIVER (ug/l)In samples colleced by ORSANCO boat, 5/4/07
ORM RDB LDB323.0 ND ND327.0 ND ND332.8 ND ND337.1 ND 7.60342.0 ND 7.31344.2 ND 4.60345.2 ND 3.98347.5 ND 2.42348.5 ND 4.80349.3 ND 4.46351.0 ND 2.26352.0 ND 4.25353.0 ND 4.37354.0 0.18 2.04
ORSANCO Stream criteria - 4.6 ug/l
Below 0.2 ppbNot detectedDetected
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