Chronic first year of the For chronic statement toxicity permit or they toxicity: 24-hr certifying that may be composite, the results do collected during or do not specify location, a different taken show toxicity such as: quarter each after at dilutions year over 4 dechlorination corresponding years (i.e., Year and before the to the edge of 1, Qtr 1) effluent flume. the [modify (This as needed: language may Location should ZID and the be modified so be the same as mixing zone]. that WET monitoring for The testing parameters that corresponding coincides with may contribute dilutions are effluent toxics to toxicity. as follows: characterization ZID: XX monitoring) When possible, Mixing zone: conduct WET XX testing concurrent with A template Effluent Toxics for providing Characterization WET test Monitoring as results is described in , provided Condition 12?. If a particular test shows toxicity at include if there the is a ZID: acute (ZID) or the chronic (RMZ) dilutions, the permittee must re-test and if necessary evaluate the cause of toxicity as described in , Condition 12?.
first year of the permit or they may be collected during a different quarter each year over 4 years (i.e., Year 1, Qtr 1) (This language may be modified so that WET testing coincides with effluent toxics characterization monitoring) When possible, conduct WET testing concurrent with Effluent Toxics Characterization Monitoring as described in , Condition 12?. If a particular test shows toxicity at include if there is a ZID: the acute (ZID) or the chronic (RMZ) dilutions, the permittee must re-test and if necessary evaluate the cause of toxicity as described in , Condition 12?. statement certifying that the results do or do not show toxicity at dilutions corresponding to the edge of the [modify as needed: ZID and the mixing zone]. The corresponding dilutions are as follows: ZID: XX Mixing zone: XX A template for providing WET test results is provided Chronic toxicity For chronic toxicity: 24-hr composite, specify location, such as: taken after dechlorination and before the effluent flume. Location should be the same as monitoring for parameters that may contribute to toxicity.
PermitTemplate.docx