ISSUES FOR DISCUSSIONFarm Bureau MeetingLock Haven, PA1 September 1998

BiqiRQnitoring Data Results

Np indication of any dipxins being measured that relates to incineration of drake soil.,

No indication of any metals being measured that relates to incineration of drake soil,exception is silver during one sampling period at EPA-H during the real bum.

Many below detection lirhit values for the metals - Antimony, Cadmium, Chromium, Thallium.Little differences in the metals - Beryllium, Manganese, Silver.Some differences in the metals - Arsenic, Barium, Lead, Mercury, Nickel, Zinc. Continue these.

>Good baseline data, sets for both tree leaves and ground moss samples.

• • • /'Ground moss samples are becoming limited, especially for Forest Site 3 W.

A R J 2 I 6 8 9

Narrative Summary of Drake Data collected for 1 Sep 1998

There are 14 tables of moss bag data. The first table for didxin indicates the results of statisticalanalyses of the data at each collection site over all exposure periods; The second table labeledwith the letter (b) indicates statistical analyses of the data collected prior to the test burn, duringthe test burn, after the test burn and during the real burn.

No significant differences were measured for dioxins at all sites, except once for the EPAHospital air monitoring site (7.417a, Table 1). When the data were grouped in Table Ibaccording to prior, during and after the test burn and during the real burn, no statistical differencewas observed at the EPA-H during the test burn. The moss bags appear to be sensitive enough topick up differences in the neighborhood of 3 pptr dioxin TEQs. It is important to note that thevalues of dioxins detected during the real burn are some of the lowest observed for all periods.Based on these data, the incineration of soil does not appear to be adding any measurablequantities of dioxins to the air being monitored with moss bags.

The moss bag metals data are presented in Tables 2-14, The first table indicates statisticalanalysis of the data. The second table (a) indicates less than detection limit values. The thirdtable (b) indicates statistical differences prior to, during and after the test burn and during the realburn. The fourth table (c) indicates less than values in the data for prior.to, during, and after thetest bum.

No differences were observed at the parts per billion concentration level for all metals that couldbe related to the real burn, except silver (Table 12). Table 12 indicates EPA-H had an apparentincrease in silver for one of the two periods during the real burn. However, when the data aregrouped according to prior to, during and after the test burn and during the real burn, nostatistical differences are observed. Any differences observed in Table 12 are small in the tens ofparts per billion range, and are not significant when grouped together. These data do indicate theexceptional sensitivity of the moss bags biomonitoring.

The leaves and ground moss data are essentially prior to the test burn period and establish a goodbaseline data set to compare future samples.

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Table 18. Ground Moss Samples Collected From Lock Haven, PA.

Location Species

Field Site 1 PCtip.- wind

Field Site 2 HCAlong Creek

Field Site 3 . ' HC .Across Road - — - - ..from Site 2

Field Site 4 PCfArmy ReserveDown -wind

EPA Hospital PC

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BS

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No. ofSamples

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DateCollected

Get 95Sep 96Aug 97

Sep 96Aug 97

...Oct 95"Sep 96Aug 97

...Qct 95Sep 96Aug 97

. May 96Sep 96Aug 97

May 96Sep 96Aug 97

.. Sep 96- Aug 97

= May 96"Sep 96Aug 97

May 96Sep 96Aug 97

. May 96Sep 96Aug 97

Sep 96Aug 97

Jan 97Aug 97

May 96 .'Sep 96Aug 97

SampleAnalysis

= Metals—Dioxin

. Metals. Dioxin

MetalsDioxin

Metals_ Dioxin .

Metals"Dioxin

.. MetalsDioxin

.=, MetalsDioxin

MetalsDioxin

" Metals:.- Dioxin

Metals,_ Dioxin

. Metals. Dioxin

MetalsDioxin

Metals_ Dioxin

PC: Polytrichum communeHC: Hypnum curvifollumLB: Leuco Bryizm GlaucumBS: Brachythecium saleJbrosum

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Table 33. Annual Maple Leaves Dioxin Content (TEQj pg/g) at Forest Sites.

Collection Date Site 1(5), Site 2S Site 3WS Site 4(5), Literature

Sep95 '- O.Sla 0.89a ~ 0.87a 0.56aSep 96 O.Olb 0.13a , 0.04b 0.23aSep 97 0.37a 0.39a 0̂ 20a" 0.23a

A protected Fisher's Least Significant Difference using contaminant concentrations wasutilized at alpha — 0,05. Means followed by the same letter within a column indicates nostatistically significant differences among exposure period mean concentrations at respective

A protected Fisher's Least Significant Difference using the*natural logarithm transformationof contaminant concentrations was utilized at alpha - 0.05. Means followed by the sameletter within a column indicates no statistically significant differences among exposure periodtransformed mean concentrations at the respective site.

flR3'2f76

Table 34. Annual Maple Leave Metal Content (ppm) at Forest Sites

Collection Date Site 1 Site 2 Site 3\V Site 4 Literature

Zinc

Sep 95 30,34a@ 2L63a@ 24.67a$ . 27.59a@ 20-40Sep 96 27.37a @ 17.08a @ 27,21a $ 28.90a @Aug 97 23.36b@ 17.54a@ ' 20.51a$ 22.32a@

Mercuryt

Sep 95 0.24a* 0.19a* - 0.20a* 0.34a* 0.03-0.09Sep 96

Table 34. Annual Maple Leave Metal Content (ppra) at Forest Sites (continued)

Collection Date Site 1 Site 2 Site 3W Site 4 Literature

Nickel

Sep 95 , i.09a*. _ 0.3Ib* 0.88a* 0.44b* 0.5-2.1Sep 96"-" "1.21a*

Table 34. Annual Maple Leave Metal Content (ppm) at Forest Sites (concluded)

Collection Date Site 1 Site 2 Site 3W Site 4 Literature

Beryllium

Sep 95 0.100 0.100 0.100' O.OSla 0.10Sep 96 0.100 0.100 0,100 O.TOOaAug97 0.100 -0.100 0.100 O.lOOa

r Manganese

Sep 95Sep 96 1245.2 1256.1 1148.4 1365.9Aug 97

All Comparisons were statistically analyzed using similar standard methods ($,@, *,#) as-describedfollowing Table 1. Means followed by the same letter within a column under each metal indicatesno statistically significant difference between collection dates at the respective sites.

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