B L A C K a V E A T C H

ENGINEERS-ARCHITECTS

CH2M HILL/EPA REM IV Des Moines TCE Site

TEL. (913) 339-2000

1 500 MEADOW LAKE PARKWAY

MAILING ADDRESS RO. BOX NO. 8405

KANSAS CITY. MISSOURI 64114

B&V Project 64412 B&V File 3050 November 27, 1989

U.S. EPA Region VII 726 Minnesota Avenue Kansas City, Kansas 66101

Attention: Mr. Glenn Curtis Remedial Project Manager

Re: DICO Property RI Field Investigation Oversight

t Gentlemen:

Enclosed is a brief memorandum dated November 22, 1989 pertaining to the oversight observations of the PRP-conducted RI Field Investigation for the dates November 14-16, 1989 on the DICO, Inc. property of the Des Moines TCE site.

Please call should you have any questions concerning the enclosed memorandum.

Very truly yours.

BLACK & VEATCH

Janet S. Walstrom Site Manager

rmc Enclosure

cc: Mr. Phil Burke, RM, CH2M HILL, w/enclosure Mr. Mike Thompson, RTL, CH2M HILL, w/enclosure Mr. Gary Felkner, B&V, w/enclosure Mr. Dick Kaufman/File, AFPM, B&V, w/enclosure

30221159

Superfund

B L A C K a V E A T C H

MEMORANDUM

t

CH2M HILL/EPA B&V Project 64412 REM IV B&V File SITE Des Moines TCE Site November 22, 1989

To: Jan Walstrom (SM)/File

From: Gary Felkner, R.P.G.

Re: Oversight of the Eckenfelder, Inc. field sampling for the Source Control Operable Unit RI on the DICO, Inc. portion of the Des Moines TCE Site.

The following summarizes observations made by REM IV Field Team Representative Gary Felkner during oversight efforts on the indicated dates. Summary tables presenting the sampling progress made by Eckenfelder, Inc., a photocopy of the field notes taken during these oversight efforts, and photographs of field activities are attached for reference.

November 20, 1989

o Observed drilling and sampling of deep auger boring DB-45 from 18 to 24 feet (completion).

o Observed drilling and sampling of deep auger boring DB-44.

November 21, 1989

o Observed drilling and sampling of deep auger borings DB-51 and DB-57.

No EPA sample was collected from DB-57 as described in the PRP Oversight QAPP at the direction of Glenn Curtis, RPM.

o Delivered EPA Performance Evaluation sample for HSL volatile organics analysis to Mike Watkins.

rmc Attachments

DES MOINES TCE SITE SAMPLING PROGRESS SUMMARYAS OF 11/22/89

GROUNDWATER AND SURFACE WATER SAMPLING

SAMPLE NO

Groundwater NW-12 NW-4 EW-5 NW-19 EW-6 NW-23 P-10 N-17

NW-28 NW-27 NW-22 NW-7

Surface SW-1 Water SW-2

SW-3

SAMPLE INTERVAL

DEPTH L (FEET)

N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A

DATE SAMPLED BY ECKENFELDER, INC.

11-7-89 11-7-89 11-7-89 11-7-89 11-7-89 11-7-89 11-7-89 11-7-89 11-7-89 11-7-89 11-7-89 11-8-89 11-8-89 11-8-89

(See Remarl<s)

EPA SPLIT SAMPLE COLLECTED

Yes Yes

SAMPLING OBSERVED DURING

REM IV OVERSIGHT

No No No No No No No No No No Yes Yes Yes Yes Yes

REMARKS

Not sampled, pond dry

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Shallow Auger Boring (Continued)

SAMPLE INTERVAL

DEPTH SAMPLE NO. (FEET)

SB-21 SB-22 SB-23 SB-24 SB-25 SB-26 SB-27

DES MOINES TCE SITE (Continued) SAMPLING PROGRESS SUMMARYAS OF 11/22/89

SEDIMENT AND SHALLOW AUGER BORING SAMPLING

SAMPLING OBSERVED DATE SAMPLED EPA SPLIT DURING

BY ECKENFELDER. INC. SAMPLE COLLECTED REM IV OVERSIGHT REMARKS

DES MOINES TCE SITE

SAMPLING PROGRESS SUMMARYAS OF 11/22/89 DEEP AUGER BORING SAMPLING

BORING NO

DB-43

DB-44

DB-45

DB-51

DB-53

DB-54

DB-55

DB-56

SAMPLE

INTERVAL

DEPTH

. (FEET)

0-2 8-10

2-4 4-6

10-12 18-20

6-8 8-10

* *

* *

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* *

4-6

8-10

12-14

6-8

8-10

DATE SAMPLED

BY

ECKENFELDER, INC.

11-14-89 11-14-89

11-20-89 11-20-89

11-20-89 11-20-89

11-21-89 11-21-89

11-17-89 11-17-89

11-17-89 11-17-89

11-16-89

11-16-89

11-16-89

11-15-89

11-15-89

EPA

SAMPLE

COLLECTED

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Yes

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SAMPLING

OBSERVED

DURING

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No Yes

Yes Yes

No Yes

Yes Yes

No No

No No

Yes

Yes

Yes

Yes

Yes

REMARKS

34 ppm OVA (HSA) 1 ppm OVA (HSA)

0 ppm OVA (HSA) 0 ppm OVA (HSA)

0 ppm OVA (HSA) 2 ppm OVA (HSA)

0 ppm OVA (HSA) 0 ppm OVA (HSA)

0 ppm OVA (HSA), Strong pesticide/ herbicide type odor. 110 ppm OVA (HSA), Mild pesticide/ herbicide type odor. 19 ppm OVA (HSA), Mild pesticide/ herbicide type odor.

18 ppm OVA (HSA), Moderate pesticide/herbicide type odor. 20 ppm OVA (HSA)

DES MOINES TCE SITE SAMPLING PROGRESS SUMMARY AS OF 11/22/89

DEEP AUGER BORING SAMPLING

SAMPLE INTERVAL

DEPTH BORING NO. (FEET)

DATE SAMPLED BY

ECKENFELDER. INC.

EPA SAMPLE

COLLECTED

SAMPLING OBSERVED

DURING REM IV OVERSIGHT REMARKS

DB-57 2-4 10-12

11-21-89 11-21-89

Yes Yes

0 ppm OVA (HSA) 7 ppm OVA (HSA)

NOTE: (HSA) = Head Space Analysis

* * = Not Available At This Time

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