106 



August 10 EDF letter to PA continuing to question interim criteria 

 and Risk Assessment 



September 11 PA memo indicating Corps wants a dioxin pre-tested 

 material or sand cap 

 25 EPA letter to PA requesting further coordination on Risk 

 Assessment information 



October 6 PA letter to Corps formally requesting modification of 

 PN/E application to use Ambrose as second source cap 



8 NJDEPE letter to PA modifying NJDEPE permit to include 

 overflow monitoring 



9 PA letter to NJDEPE to accept the 10/8/92 NJDEPE permit 

 modification 



14 PA submits Reach A re-test data to Corps 



19 Corps issues supplemental public notice for Ambrose cap 



November 4 EDF letter to Corps/EPA/NJDEPE/NYSDEC/PA requesting EIS 



related to dioxin, PHCs and the cumulative effect of sand 

 mining 



18 F&VS letter to Corps requesting extension of comment 

 period on cap to 12/9/92 



19 PA submits formal application for Reach A 



20 PA memo announcing meeting to be held between 

 PA/Corps/EPA/NJDEPE/EDF 



24 Corps letter to PA transmitting comment letters from cap 

 supplemental public notice 



25 PA/Corps/EPA/NJDEPE/EDF meeting discussing possible 

 permit details and Mud Dump monitoring plan 



December 4 EPA letter to Corps approving Management & Monitoring 

 Plan at Mud Dump 

 9 F&WS letter to Corps stating objection to permit and 

 referring to elevation procedures in event of Corps' 

 issuance of the permit 

 9 PA responds to cap public notice comments (other than 

 12/9/92 F6.US letter) 

 31 EPA letter to Corps changing the previously set 

 25 ppt. criteria 



1993 



January 4 EDF letter to Corps/EPA echoing 12/31/92 EPA letter 

 6 Corps issues permit for 500,000 cubic yards 

 11 EDF letter to Corps/EPA/DEP raising volume/ test ing issue 

 13 EPA letter to Corps echoing EDF letter of 1/11/93 and 



shifting on ocean disposal 

 13 EDF letter to Corps objecting to volume of material and 

 seeking re-testing of dredged material 



13 PA letter to EPA defending volume/testing issue 



14 Corps letter to PA suspending permit 



15 PA letter to Corps requesting meeting on 1/19/93 to 

 discuss permit issues 



Dredging Permit Chron - Page 3 



