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guidelines. However, it is a common practice to use the Food and Agriculture<br />
Org~l1izatiol1 (FAa) and \Vorld Health Organization (WHO) Guidelines as a<br />
reference.<br />
Tables 3 through 5 are related to the quality of treated domestic<br />
wastewater effluents to be reused in irrigating agricultural crops. The<br />
remaining Tables 6 - 12 present the tolerance and sensitivity of crops to<br />
salinity and other specific ions like Sodium, Boron and CWoride. These are<br />
adapted from the FAO Guidelines (1985). Treated domestic wastewater is<br />
regulated by the Jordanian Standard 893 (Table ·13) adopted in 1994 by<br />
DSS. Regarding air pollution, Jordan does not have any existing standards or<br />
regulations to control air pollution.<br />
~ulations Armlk~ble to the JISICO Dischar~<br />
Industrial wastewater produced by the JISICO consists of cooling tower<br />
blowdown from the oxygen plant, the power station, and the rolling mill's<br />
reheating furnace. These blowdowns are discharged onto the ground,<br />
therefore the Jordanian standard 202 for industrial discharges to wadis, sea, or<br />
reuse for irrigation would apply. Other industrial wastewater discharge<br />
include the softener regeneration and sand filter backwash. Thesf'· effluents<br />
are currently discharged to the rolling mill 's cooling water treatment system.<br />
The rolling mill's cooling water treatment system discharges water onto the<br />
ground for irrigation of nearby trees. This discharge is also subject to<br />
Standard 202 for reuse for irrigation and, if the discharge reaches a wadi, it<br />
would be subject to standard 202 for discharge to wadis.<br />
C-2<br />
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