Agriculture Reference
In-Depth Information
Purchasing department records:
Material
Purchase Quantity (barrels)
Carbon tetrachloride a
(CCl 4 )
48
Methyl chloride b
(CH 2 Cl 3 )
228
Trichloroethylene (C 2 HCl 3 )
505
a The correct name is tetrachloromethane, but the compound was in such
common use throughout the twentieth century, referred to as carbon tetrachloride,
that the name is still used frequently in the engineering and environmental
professions.
b Also known as chloromethane.
Wastewater treatment plant influent:
Material
Average Concentration (mg L 1 )
Carbon tetrachloride
0.343
Methylene chloride
4.04
Trichloroethylene
3.23
The average influent flow rate to the treatment plant is 0.076 m 3 s 1 .
Hazardous waste manifests (what leaves the company by truck headed to a
hazardous waste treatment facility):
Material
Barrels
Concentration (%)
Carbon tetrachloride
48
80
Methyl chloride
228
25
Trichloroethylene
505
80
Unused barrels at the end of the year:
Material
Barrels
Carbon tetrachloride
1
Methyl chloride
8
Trichloroethylene
13
How much VOC is escaping?
 
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