Document gEEd7RY1xD6BRB9qowaYr83rV

Jt&L EPA NATIONAL DIOXIN STRATEGY TIER 1 and 2 ACCOMPLISHMENTS TECHNICAL SUPPORT DOCUMENT DRAFT JANUARY 1986 OFFICE OF SOLID WASTE AND EMERGENCY RESPONSE U.S. ENVIRONMENTAL PROTECTION AGENCY WASHINGTON; D.C. J DIOXIN SIT E SUMMARY 1. SITE INFORMATION SITE NAME: M o n s a n to P l a n t ( 2 ) OTCUSD* REGION: m Monsanto L a n d fill (2a) DATE STTE DG'J IhtD: LOCATION: N i t r o , EPA CONTACT PERSON FOR ACTIViTIES AT THIS SITE: W a l t e r L ee NATIONAL DIOXIN STRATEGY TIER: 2 and 2a WVA EPA CLASSIFICATION - NPL | NON-NPL ( x FORMER NPL UPDATE NO. 2 j UPDATE NO. 3 r*l 1P CLASSIFICATION - (circle one): - 1 rUNDLEAD ! Y l FEDERAL ENFORCEMENT LEAD j 3 FUND LEAD-NEG. A STATE ENFORCEMENTLEAD 5 NO DETERMINATION j "ll. BRIEF SITE DESCRIPTION I aciliry utee: M o n s a n to m a n u f a c t u r e d 2 , 4 - D , 2 , 4 , 5 - T , p a r a t h i o n , and sodium t r i c h l o r o p h e n o l P ro d u ctio n was in v a rio u s a r e a s o f th e f a c i l i t y . In 1 9 4 9 , a ru p tu re d is k in a prod uction u n it f o r sodium tr ic h lo r o p h e n o x y a c e tic a c id f a i l e d , spewing th e c o n te n ts of the v e s s e l. Pared of operation: M o nsanto m a n u f a c t u r e d 2 , 4 - D , 2 , 4 , 5 - T , p a r a t h i o n , and so d iu m t r i c h l o r o p h e n o l from 1948 u n t i l 1 9 S 9 . I n 1 9 7 2 , th e 2 , 4 , 5 - T p r o d u c t io n b u i ld in g was dem olished, d econtam inated , and bu ried o n - s i t e . F'opuletion proximity: The f a c i l i t y i s l o c a t e d on a 6 5 - a c r e t r a c t a t t h e n o r t h e r n ed ge o f N itr o . The p l a n t i s b o rd ered by th e Kanawha R iv e r on th e w e s t, l i g h t com m ercial o r undeveloped a c re s to the n o r th , c o m m e r c ia l/r e s id e n tia l a r e a s to the e a s t , and heavy chem ical m anufacturing to the south. The p op u lation o f N itro i s approx. 0 ,0 0 0 . Olhtr: P r o d u c t i o n e q u ip m e n t f o r 2 , 4 , 5 - T was a l s o b u r i e d o n - s i t e . A t e e p e e t y p e in c in e r a t o r was used to d is p o se o f f i l t e r s , c l o t h e s , d u st b a g s , and o th e r m is c e lla n eou s m a t e r i a l s . Much o f t h e p l a n t h a s b e e n c o v e r e d b y l o o s e g r a v e l . The w a l l s o f TCP b u i l d i n g h a v e b e e n r e p l a c e d , b u t t h e b a s i c s t r u c t u r e s t i l l s t a n d s . Any known oH*s(le migration or contamination: T r a c e s ( l e s s t h a n 1 p p b ) on R t . 25 h ig h w ay m ed ia n for about 500 yards each d ir e c tio n . III. ACTIVITIES UNDERTAKEN TO DATE____________________________________________ Describe activities such as PRP Search, Notice. Lett are, PA, SI, removal, Rl/FS. . A s i t e in s p e c tio n showed p e rv a siv e co n tam in atio n o f th e s i t e . . PRP S e a r c h c o n d u c t e d . . P r e l i m i n a r y I n v e s t i g a t i o n c o n d u c t e d ; 1 0 1 3 O r d e r i s s u e d f o r EOC, . Extent o f Contam ination Study com pleted. . Remedial A ction planned; 106 Order Issu e d . . Remedial A ction accom plished. Detail response action (e.g., capping, excavation, fencing J and relate this to how this mitigates an/ threat to a the population. W orkin g a r e a s o f t h e p l a n t w e r e c o v e r e d w i t h a s p h a l t . T h e b u r i a l a r e a was capped w ith c l a y . A re a s around th e o ld i n c i n e r a t o r w ere r e - c o v e r e d w ith g r a v e l . B u i l d i n g 7 9 was vacuumed w i t h HEPA t y p e e q u ip m e n t and w ash ed w i t h h i g h p re ssu re w ater and d e t e r g e n t . W ashings, e t c , were i n c i n e r a t e d a t R o l l i n s (Deer Tark, Texas) If ctivili** art still underway, provide the estimated date of completion. F in ish e d 7 PAGE 2 I SITE NAME: CDC advisones available? Dale: Fish ban announcements made? Dale: IV. SAMPLING DATA nonBanto Yes Yes (2) M?n>antp No X No X L a n d f i ll (jaERCLIS If yes, attach a copy. Hyes, attach a copy. IP Brief qualitative description: P l a n t was g r i d d e d and sa m p led on 2 5 , 5 0 , o r 1 0 0 f o o t g r i d depending on a r e a . Ware spirt samples tested? Yes No V yes, select one set of results M o n s a n t o d e s t r o y e d X and prw rfe r e a s o n tar choca. m a n y EPA s a m p le s . If applicable, provide a description of 'h o t sp o ts' at the arle; i e., p o n to n i of the site having high values compared to the overall trend at the afte. Summary of Data:. Medium (loil, water, etc.) Location (on* or off-site) so il so il on -site o ff-site Number of samples Concentration Range (ppb) approx. 400 approx. 50 n .d . - 400 n.d . - 1,8 Concentration Mean (ppb) V. PLANNED ACTIVITIES Describe activities committed to take place, both on-site and off-site. ON-SITE: N one; r e m e d i a l a c t i o n f i n i s h e d OFF-STE: Anticipated activities may be mentioned, but must be identified as such. VI. ASSOCIATED SITES IF TIER 1a or 2a - Associated Tier 1 or 2 cite: BActwe I__I Inactive M u n i^ L ] taanfcUS II incinerated, what was the late of incineration residues? IF TIER 1 or 2 : Attach list of associated Tier 1a or 2a sites and indicate whether search is oomplete. C o m p le t e ( j*.es associates wi th Monsanto, Nitre, KVA N itro L a n d fill Monsanto L a n d fill South C harleston L a n d fill Poca L a n d fill lleizer Creek L a n d fill Georges Creek L a n d fill Manila Creek L a n d fill