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MEMORANDUM

TO:

FROM:

OAT£:

PROJECT:

DOCUMENT CONTROL NO. :

SUBJECT:

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File

Andrew Robinson ~ ­J 0WilHam Swanson .• ·:! 1 •.,..,.,..,.,

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· ' January 4, 1985

Western Sand and Gravel

11l·WP1·10·AQUA·1

Trip Report • Task 4.1 Western Sand and Gravel Work Plan Stope of Work

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On 12/19/84 ~illiam Swanson, John Adams, John Zupkus and Andrew Robinson staked a grid 1n the area of the existing ree1reulat1on system on site at Western Sand and Gravel 1n Burrillville, Rhode Island. On 12/20/84 Mark Brickell replaced John Zupkus on the field ~~--. Twenty holes were augered by hand on 12/19/84 an~ 12/20/84. The ho~es were labeled according to their orientation to north and west. The cuttingsgenerated during augering wert analyzed in the fi~ld with an OVA and an H.Nu PlD with ~10.2eV Probe unless otherwise noted. Holts wert continued till groundwater was enequnttred.

Location designated NOEO yielded a ~axtmum of 3 on the H.Nu and water was found at 13 fttt. No sludge-like •aterial was found.

Location NlEO yielded a ~aximum of 20 on the H.Nu readiny of the c~t­tings, ~l·J:tge-Hkt •aterhl was found fr011 2 to ~ feet and saturatio" was at l3 fe'!t.

Location N2EO yitldtd 100 on the H.Nu frOI the cuttings, sludge-like •aterial lies fro- 2 to 4 feet, water lies 13 feet below grade and the auger butktt gave rtadin9s as high as 200 with the H.Nu on the saturated- zone cuttings. The sludge-like •aterial was darker than the surrounding soil, but not stic~ or .aist.

Locatio" N3EO shOwed SO on the H.Nu with sludge-ltkt aatertal found fr~ 2 to 4 feet. Water was reached between 12 and 13 feet and the saturated ·' zone cuttings yielded SO to 60 on the H.Nu.

Location HOWl yielded 3 on tht H.Nu and no sludge-like •atertal was found. Saturation was 14 feet below grade and lS was read with the· H.Nu in the open bore hole. "' ·· ·

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Memorandum -2­Tr1p Report - Task 4.1 January 4, 1985

Location N2W1 contained sludge-like •aterial from 1 to 4 feet, satura­tion at 15 feet and a •aximum of 150 Mas detected by the H.N~ from the cuttings. 100 MIS the reading in the open hole. · .

tnc.ation. N3W1 yielded 250 on the H.Nu from cuttings at a depth o·f 10.5·· feet. The OVA detected 400-600. Saturation lies 13.5 feet below grade. • . sludge-like •aterial was found near the surface, but gave laM H.Nu readings. The OVA detected 100 on •aterial from the saturated zone.

Location NOW2 showed 30 on the H.Nu and saturation was found at 13 feet. No ~ludge-11ke •aterial MIS found and the open holt yielded 50 on the H.Nu. Location N1W2 yielded 200 on the H.Nu at 6 feet of depth. No sludge­like material was found and water was reached at 14.5 feet. 300 was detected by the H.Nu in the open hole.

.Location N2W2 showed 40 with the H.Nu from cuttings obtained at 3 feet and saturation lies 15 feet below grade. Sludge-like •aterial MAS found - · 2 to 4 feet down and 200 was detected in the open hole by the H.Nu equipped with an 11.7 tV probe.

Location N3W2 yielded 40 on the H.Nu and sludge-like ~aterial was found from 4 to 5 feet. Saturation lies at 14 feet and 275 was detected by the H.Nu in the open hole.

Location N1W3 contained no sludge-like material a~d water was reached at a 15 foot depth. The OVA detected 70.

Location N2W3 contained no sludge-like material, saturation was found 13 feet and the OVA detected S-7 off the cuttings. en Location N1W4 showed no sludge-like material, saturation at 15 feet and D a ~1ximum of 1 to 2 with the OVA.

Location N2W4 yielded 2 to 3 on the H.Nu Mith the 11.7 tV probe. no sludge-like •attrial MIS found and saturation lies 13 feet below ground surface. 8Location N3W4 showed 2 on the H.Nu, water at 13 feet and no sludge-like N•aterial MIS found.

Location N3E1 contained sludge-like •aterial fro- 0 to 4 feet wfth trace readings, and the H.Nu detected 10 on cuttings at a feet. Saturation •• lies 12.5 feet below grade. Less than 1 was detected by the H.Nu in the cuttings at saturation.

Location Afound evidence of sludge-like •aterial to 4 feet with H.Nu peaks to lo. Groundwater was at about 16 feet with a borehole reading of 70.

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Memorandum -3­Trip Report • Task 4.1 January 4, 1985

Location 8 found evidence of sludge-like •aterial to 4 feet with H.Nu. readings if 40 • so. Groundwater was 1t about 16 feet with 1 borehole reading of 70.

Location MlVt was only 1ugered to 6 feet. No sludge-like •aterial was • . found.

On 11'/85 ten additional holes were 1ugered by hand. Five of these L1, L2, L3, l4 and L5 were placed east of the grid in and at the base of the east embankment. The remaining five, L6, L7, L8, L9, and L10 were augered within septage pits 1 and 2. These were also screened in the field using an H.Nu with the 10.2 eV probe and the OVA.

Location L1 contained no sludge-like •aterial, yielded no reading on either instrument and reached saturation at 5 feet. . L2 yielded 12 on the H.Nu, 8 on the OVA and reached water at 7 feet. No • sludge-like •aterial was found. ­L3 contained no sludge-like ~aterial and 1 to 2 was detected by the H.Nu. Zero was detected by the OVA and saturation lies 6 fttt below grade.

L4 yielded zero on either instrument; saturation was reached at 4 feet •.. and no sludge-like material was found •

LS showed no readings on either instrument, no sludge-like •aterial; and saturation was reached at 4 feet.

L6 was augered to 1 foot and the cuttings yfelded 25 on the H.Nu and consisted entirely of sludge-like material with a pungent septage odor. The cuttings were water saturated.

L7 was identical to L6, yet yielded only 2-3 on the H.~.

L8 yielded zero ppm on the H.Nu and 150 on the OVA. This hole too consisted ent1rt11 of sludge-like ..tertal with a strong septage odor. lts depth is 1 foot.

L9 showed 2 on the H.Nu and 25 on the OVA. lt consisted entirely of -saturated sludge-like •aterial and was augered to a depth of 1 foot.

L10 yielded zero on either instrument and its cuttings contained no • sludge-like •atertal. lts 1 foot depth penetrated the zone of saturation.

During this final day of work, Willi~ Swanson and Rod C~eron recorded elevations of the work area. ' ·

An augering location plan is attached.

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Memorandum -4· Trip Report • Task 4.1 January 4, 1985

weather on 12/19/84 was •ild and rainy with the activities curtailed around 2:00 pJI. due to heavy rain. Weather on 12/20/84 was sunny and colder. weather on 1/3/85 was partly cloudy and cold. However, the ground was not frozen.

Th~ power auger was tried but use was discontinued due to bit binding in th~ ,~ft sand. .

Sotl is generally fine sand which is light brown and varies to gray at the saturated zone. A trace of clay was noted in the southwest corner of the site.

Conclusions 1. There dots not appear to be source •atertal (sludge-like •aterial)

below approxi•ately elevatio~ 266, except in· the area of Pit 1. However, the sludge-like •aterial in Pit 1 gives only trace readings on the H.Nu and OVA and appears for the .ost part to be septage.

•2. Source •aterial {sludge-like ..terial) appears at approxi•ately 2 to ­

4 feet in depth along the northern elevated portion of the site well above the saturated zone. This is an area of about 120 feet x 70 feet or approxieately 600 cubic yards in terms of vol~ if the average depth is 2 ft. Volatiles are present in the soil below the source •aterial and in the groundwater.

3. The groundwater elevation varied from about 259 to 255 feet at the ti.. of the augering.

4. This prelt•inary exploratory effort and a review of the data byothers as well as containment •tgration computations suggests that 1 lt•ited sampling and analytical program be c~npleted prtor to development of a preli•inary design of a site capping and closure plan. This effort is described in Work Plan Task 4.3. Tne •following would bt completed: · D Full Priority Pollutant Scans

Wt\1 El-2 Well £2·3 8Three samples in area of auger work at locations (M-3E-l), (N-2W-l),- {A) at 2 to 4 feet deep in sludge-like aaterial • N Acid £xtractables/81se Neutrals/Phenols •

• Pit 1 Access Rold Pit 11 Pit 12 P1t S • all within 2 feet of the surface tn sludge-like • aterial.

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M£HORANDUM

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CAMP DRESSER I McKEE INC.

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DOCUMENT CONTROL 10.: 111•WP1·JO•ARAL~) Ffle · ~~· ~

I · '"ttl"FROM: Bfll Swanson~.:.~ I · •

RE: Prectpftatfon Records and Well Ltvels at Western Sand &Gravel.

DATE: January 10, 1185

ln .order to further address the questfon of the pottntfa1 for hfghgroundwater levels fn the area of Pfts 1 and 2 well records and .rafnfall records were rtvftwed. The ·wells nearest Pfts 1 and 2 are 8,N82G, P•4 and P-3. Ourtng 1 perfOd of record exttndfng·fro. November, 1982 to date, the hfghest water. levels recorded fn these wells were tn Aprtl, 1183. The well levels durfng thfs extre.ely wetperiod were as follows: l

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8 251.1N82G 251.2P-4 260 JP•3 260.3

Rainfall was also hfghest tn Aprtl, 1183. Rainfall fn Aprf1, 1183 was 8.79 fnches above average fn a year whfch was 22.20 fnches above average (a total of 67.52 fnchts) at the Providence Statton. A station fn North Foster recorded 1 sf•tlar average for the year of66.63 fnthes.

Detatled rafnfall records are'avaflable fn Rhode Island since 1904. 1983 was 4JS above the 1ont ter. average and Aprtl, 1183 was 2221 above 1 34 year average of the subJect sta~on.

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