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..... Volt'l. 122.33-1010 

## OCT 

## f 3 2009**~1: .**  Walter Mugda.'1 

### Director Eme rgency & RemediO!I Response 

### D ivisio n United**S[ate~** EnviroIL. i.¢r:.tal Protection 

### Agdlcy Region 2 290 B roadway -19th 

### floor, E38 New 

### York, New 

### York 10007

- 1866 Dear Mr. Mugdan: Under authority**ddegat~d** by 

### Ll,c: Governor of New York in 1995 to the Com.
... 

### nissioner ofthc**D~putmt::m** of En
.... ironmental Conservation (DEC), I U"l requesting that thc Dewey Loeffel In2ctive Hazardous 

### Was,e Disposal S ite 

### Joca[ed io the TO\l,n**of~assau,** Rensselaer County , 

### 'f'.:(!\.\.' 

### York 

### be nom inatl!d i.0 the**~ational** Priorities List. The 

### Pre-Remedial Sect ion, Special Projccts 

### Branch of the Emergency and Remedial 

### Response Division ofthe EPA in Regi o n 2 has initiated an investigation and hazard ranking system scoring effort at the Dewey Loeffel 

### Site. The landfill 

### was operated from about 

### 1953 to 

### 1970 by 

### Dewey Loeffel, a private 

### waste hauler. WasteS bauled to the site bcluded 

### indusnial so lvents, 

### oils 

### contair.bg PCBs, paints and other 

### chemicals. The site received 

### an estimated 

### 46,300 tons of 

### waste materials ori;ii&!ing 

### from General Electric Company. 

### Schenectady Chemicals, fnc. (now Schenectady 

### Imem2tion21) and Bendix 

### Corporation ( now a pan 

### of Allied Sign:!!, Inc.). The d i5posz.l and oil tr;:::::.::ifer fac ili :ies c.ons i sted of lagoons , s!Orage ta!'j;s and a drum burial 

### are2
. Thl! 

### site consists**ofthrc:~** operable units 

### (aUs): aUI was the implementation o fa soil cap and slurry wall, OU2 is the 

### disposal site 

### and assoc i ated contaminated groundw3tl.."T, 

### and aU3 is the 

### PCB impacted surface water , sediment 

### .and biota in the Nassau Lake dra : nage bas in. The 1 3l1d!i ll was closed and capped in the early 1980s and a slurry wall was keyed into bedrock aroun d the entire la."!dfill 

### per:meter . DEC is sued 3 Record 

### of Decision 

### (ROD). dated Jan uary 2001. addressing :;roundw31er coma!nination and enhanced source controls for OL:2 and l5Sued a ROD, 

### daled lancary 2002, addressing surface water PCB contamirotion 

### tl l2.t bas impacted water, se c.!i! r.ent and biota in the Nass au Lake dra inage basin for 

### OU3
. A re<>--s of eJevated PCB contam ina t ion tn the drair..a,;e basis has been m it igated and the Nass!!u L<!.ke darn b.Ui been rep l aced because of srructural concems.**5**



### O(T-16-2009 09=36 P.01

### P
. 02/ 02 0(T

- 16

- 2009 1 0 :01



### 2.
Thl! OU 2 ROD requires an 

### enh3nced leachate collection system and an on-si te !rear:ment plact. During the dcsign**ofth~** 

### enhanced leachate collection system and an oc-site treaunem plant, the s ite-specific ge¢logicai conditions and required effluent limitations that need to 

### be met 

### have presented so me difficult and unforeseen [Cchnical challen ges. nu s has increased the estimated co m.-rrllc t ion and operational costs dramatic ally. Consequently, rev iew and consideration of l:ldditional alternatives is warranted prior to proceeding
. Further , a**r~iew** 

### of the remedy for OU3 r.eeds 

### to be completcd at the end of a five year T¢view 

### period. While 

### it is 

### premature to assess 

### if a.."\y remed ial meas ures will be 

### needt!>d b ased 

### upon the five year review, the Nassau Lake drainage bas in is a t) 

### impo rtant resource which further justifies nomination to The 

### !,-rpL. rfyou 

### or yOU! 

### staff would ! ike to d iscus s th is sire further, please cont2ct**Dah~** 

### Desno yers at (518)**02 9706** **.** 

### .

c: D
. 

### Desnoyers



### TOTAL P.02 99 % 

### P.02 O(T -1 6

- 2009 09:3 6