FROM: Detachment 3. Armstrong Laborat.ory/ECQ ATTN: JKN 1 ...

DEPARTMENT OF THE AIR FORCE AIR FORCE MATERIEL COMMAND

K.ADENA AIR BASE, JAPAN

JKN 1 9 1993 .FROM: Detachment 3. Armstrong Laborat.ory/ECQ

ATTN: !(6)(3):10 Use §1306 Unit 5213 APO AP 96368-5213

SUBJ: Consultative L.et.t.er (CL). AL�CL-1993-0132. Polycblorinated Bipbenyl (PCB) Coutam.ination Assessment Plan f'or B3542� B47714, and Vehicle 83B3851, Kadena AB, Japan

TO: 18<h CES/CEV Uni< 5132 APO AP 96368-5132

L INTRODUCTION:

a. Purpose: Detachment 3. A.rcnstrong Laboratory {Det. 3, AL) was requested by 18th CES in a meeting on 10 Nov 93 co develop an assessment plan and provide field consultation, iucluding sara.pliu1: an<l laboratory analysis, for assessment and eventual remediation of PCB contaDJ.ination at two buildings and one vehicle on !Cadena Air Base.

b. Proble,n.: 18 Medical GrOUJ> Bioenvironmental Engineering Services (BES) has conducted extensive soil and bard surface sam.pling in both of the buildings and on the contaminated vehicle. The BES sa,npbng identified several PCB contaminated areas in all three cases.

c. Scope: 'rhis consultative letter (CL) discusses the applicable literature and regulations conce1:nin.g PCB contamination remediation and out.lines plans for assessJD.eut. of the two sites and vehicle.

2. SUMlvlARY:

a. The oian-bour and cost numbers assu.me t.hat vehicle 83B3851 will be disposed 0£ as PCB contaminated mate1.·ial (our recommended course of action). Assessing the vehicle afte.a.· decoutamination would require. approx.i_maitely 24 manhou.a Please realizers and an additional $6000 in analytical support .. only minimal post-cleanup sampliog requirements are included in these numbers.

b.! (b)(5)

c. We will build on in.formation. recommendations. and conclusions in previous Det 3. AL and 18 MG/SGPB reports. We will make every effort to minimize repeating work ali·eady acco1npl.ished.

3. PROJECT PERSONNEL:

2

4. PERSONNEL CONTACTED AND LITERATURE REVIEWED:

a. Perso11..u.el contacted:

b. Literature reviewed:

(1) Tit.le 40, Code of Federal Regulations (40 CFR) Part. 761 Subpart C--PCB Spill Cleanup Policy.

(2) United States Environmental Protection Agency (USEPA). 1986. "Test Methods for Evaluating Solid Waste-- PbysicaJ/Chemica.l Methods, SW-846," USEPA, Washington, D.C, November 1986.

(3) USEPA. 1986 . ..Field Manual for Grid Sampling of PCB SpiU Sites to Verify Cleanup ... EPA-

560/5-86-017. USEPA, May 1986.

(4) USEPA. 1986. "Verification of PCB Spill Cleanup by Sampling and Analysis," EPA-560/5-86-

026, USEPA. August 1986.

(5) Depa1.·t.ment of Defense {DOD) Overseas Environ.mental Task Force. 1992. '"Overseas Environmental Baseline Guidance Document.'' (OEBGD). October 1992.

(6) HQ USAF/LEE/SOP letter dated 24 Jul 87, "Polychlorinated Biphenyls (PCB) Spill Cleanup Policy.''

(7) HQ USFJ/J00 letter dated 30 Mar 93� "lr:nplement.ation of "Interim Governing Standards" fo1; All DoD Installatious in Japan:•

(8) 18 MG/CC Jetter dated 9 Apr 93, "Environmental Site Assessment. Suspected Polychlorinated

Biphenyl (PCB) ContaDlination at Building 47714.'"

(9)- AL/OE. 1989. "AFOEHL Recommended Sampling Procedu,·es. March 1989." Armstrong

Laboratory Occupational and EnvironDlental Health Directorate. Brooks .AFB. TX.

(10) USEPA. 1!)92. "Standard Operating Safety Guides," Publication 9285.1-03. USEPA, Office

of Solid Waste and Emergency Response (OSWER). Washington. D.C. 20460, June 1992.

(11) AL-CL-1993-0044, Site Assessment and Re.m.ediation Plan, Transfor01er Sto1·age Facility.

Building 47714, Kadena AB. Japan. 14 May 93.

(12) AL-CL-1933-0096, Site Remediation Soil Saw.pliug, Transfo.1·rner Storage Facility, Bu.ild.ing

47714, Kadena AB. Japan. 15 Sep 93.

(13) Det 3, AL/CC Letter, 8 Nov 93, Assessment of Sampling aud Analysis Results for Sit..e

Rc01cdiat.ion at Transfo.c.·mer Storag·e Facility B47714, K.adcna ABeJapan..

(14) 18 MG/SGPB Letter. 8 Nov 93, Polychlorinated Bipheoyl (PCB) Spill Evaluation B3542.

(15) 18 MG/SGPB Letter. 9 Nov 93, PCB Spill Evaluation ofVehicle#83B3851.

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5. FIND I NGS, RES ULTS , AND D I SCUSSION:

Re g u l a tory Require m e n ts:

( 1.) The OEBGD contains guidance applicable to cleanup of PCB contaminated sites . HQ USFJ/J00 30 Mar 93 le tter (si g n e d by USFJ/CC) est.ablished tha t the OEBGD will be used as the criteria document .for PCB c le a n. up in Japan. Section 1 of C h a p ter 1 4 o.f the OEBGD lists the cleanup crite ria for PCB spills (s hown below). Also. disposal of PCB items m ust be th.ro u g h the servicing Defense R e u tilization a nd Marketing Office (DRMO) in accordance wit.h DOD 4 16 0 . 2 1-M or Section 5 of OEBGD Chapter 14 .

0 2 . Spills o f PCB liquids a t concen trations o f 50 ppm o r g-reat.er vvill b e responded t o i m m edia tely upon discovery and cle aned up in accordance with the .fol.lowing:

a . S u rfa ces tha t are locat.ed in s ubst..antial contact areas w ill be cleaned to 1 0 niicrograms pe r 100 square centimeters;

b. Sui.·faces in all other contact areas will be clea ned to 100 m.icrogra ms per 100 square centim e ters;

c . C o n taminate d soil located in restricted access areas will be rem. oved until the soil tests no higher than 25 p p m PCBs a nd wil l be back.filled with clean soil containing less than 1 ppm PCBs; a n d

d. Conta01 inated soil located in unrestricted access areas will b e removed t o a m.inim u rn depth of 10 inches or until the soil tests no higher th a n 10 ppm PCBs, w hichevei.· is deeper. a nd wil.l be back.6.J Jed with clean soil containing less than 1 ppm PCBs.••

(2) The OEBGD de fines a restricted access a rea as " areas w here access by a u thorized personnel is con t.rolled by fences, other man•m.ade structures or naturally•-oc.curring ba rrie1·s such as mountains, cliffs, or 1'ough terrain ." A subs tantial cont.act area is defined as "an area that is subject to p ublic access on a rou tine l>asis or which could res ult in substantial dermal contact by employees". The e n tire 400 Munitions M a i n ten ance Squadron (lv11v1S) cont.rolled area is a restricted access area per the OEB G D definition. He nce. the enti re B47 7 1 4 area should be conside red a restricted access area a n d a n . . a l l other contact" area. The mecha nical room in B3542 should be conside.red an un.restricted access area and a "subst.autial dera.nal con tact" a.rea. and cle a n e d to t-hose standards.

(b )(5 )

(b)(5)

4

(b)(5)

e. Timeline for Project Completion: Field wo1·k .indicates the est.itn aLed i n itervals when we wil) be on site perform in g samplin g and assessment work. The time be tween the field work d a te a n d the estimated cocnp letion d a te (ECD) is for laboratory analyses and report writing. This ticn eli oe assucoes that vehicle 83B385 1 is disposed of as PCB conta m i n a ted. sam p ling supplies arrive in a timely tDanner. a nd that 18 CES prepares B477d1 4 for the assessment project prior to 17 Jan 9 4 .

� FIELD WORK

S a m ple at B 3 5 4 2 Mechanical Room (Option 1) 29 Nov 93- 1 0 Dec 93 2d1 Jan 94 S a m p le a t B 3 5 4 2 Mecha nical Room (Option 2) S a m p l e at. B47 7 1 4 (Opt ion 1)

29 Nov 93-G Dec 9 3 1 7 Jan 94- 1 4 F e b 94

1 4 Jan 94 30 Apr 94

Sample at B47 7 1 4 (Option 2) Sa mple a t B477d1 4 (Option 3)

17 Jan 94- 14 Feb 94 1 7 Jan 94- 1 4 Feb 94

31 May 94 1 5 Jul 94

f. Det 3 . AL w il l w rite and follow proced u res to be ou tlined in a Quality Assurance Project Plan (QAPP) and Site SaCet.y and Health Plan (SS"HP). These two pla.us will be siz::ni.lar in Corm a t t.o the QAPP outlined in 1:eTerence 4b(3) and t.he SSHP outlined in .reference 4b( l 0).

6 . C O N CLUS I ONS/RECOMMENDATI ONS:

a . 1 8 th Medical Group BES has perCormed several welJ-document.ed saJDpling event.s (reCerences 4b(8), (14)-( 1 5) . This CL buiJds on the discussion, conclusions, and recommenda tions conta ined in their report.s. See references 4b(l l) -(13) Co1· further backgro u n d inCori:na t.ion on this work.

b. The entire 400 Munitions Maintenance Squad.ran (lvllvlS) cont.rolled area is a restricted access area per the OEBGD definition. Hence, the en tire B47 7 1 4 area should be considered a restricted area a n d clea ned t o those standards (25 ppm). The mech a n ical roo.m. i. n B 3 5 4 2 should be considered a n u nrestricted access and .. su bst.ant..ial derm al contact.·• area. and re-mediated to t.hose standards ( 1 0 ppDl. and 10 ug/swipe) .

s

(b )( )

7. Plea se co ntact. tnC as soon a� possib le with your decisio n s re garding p roject scope a n d select.ed clea n - up

t. h a·eshold. I f' there a re q uestio n s concernin g thi s CL p le a s e con tact l<b )(3): 1 0 uSC §1 30b I Please fill o u t a n d re turn the a ttac.hed custoo:ier respoose sheet so we ca n co n t i n ue to i .Dl.p rove o u r se rvice to yo u.

l A<ch C u stoDl.er Resp o n s e S he e t

cc: HQ PACAF/SGPB/CEV 18 MGIS GPB

AL/OEPP

D e t 3 , ARt·lSTRONG LAB O RATORY

C u s t ome r Re s p o n s e S h e e t

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C I RC LE O N E

Cont e n t o(oD i d t h e r e p o r t r e s pond t o y o u r n e e d s ? o) l. 2 3 4 o5 6

T ime l. i n e s s ( C o n s i. d e r i. n g t h e c omp l. e x i t y o f t h e r e p o rt a n d l. 2 3 4 5 6

. e l. d s u rvey r e q u i r e1ne n t s , wa s o u r re s p o n s e c o n s i s t e n t w i t h y o u r n e e d s ? )

Re couune n d a t i on s ( We r e t h e rec ornme ndat i o n s a ppropr i a t e a n d l. 2 3 o'1o 5 6

?por t e d b y t h e c o nc l. u s .i. o n s ? )

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1ENT : P l. e a s e p r o v ide a ny add i t i o n a l. c o n=e n t s y o u b e l. i. e v e w i l. l. h e l. p u s 7ove o u r s e rv ic e t o y o u . U s e t h i s s e c t i on t o e xpand u p o n a n y rna r g i. n a l. , n s a t i s f a c t ory r e s p o n s e . Tha n k y o u f o r y o u r a s s i s t a nce a nd c oope .c a t i.ono. , s e re t u r n t o o: Oet 3 , AL / C C

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