ML072040354

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NOAA Sediment Quick Reference Tables (Squirt)
ML072040354
Person / Time
Site: Oyster Creek
Issue date: 09/01/1999
From:
US Dept of Commerce, National Oceanographic and Atmospheric Administration
To:
Office of Nuclear Reactor Regulation
Davis J NRR/DLR/REBB, 415-3835
References
Download: ML072040354 (12)
v • d • e


Text

ýj. -'ý This set of NOAA Screening Quick Reference Tables, or SQuiRTs, For surface water samples, the CPR Division compares measured presents screening concentrations for inorganic and organic contaminant concentrations to their applicable, EPA Ambient Water contaminants in various environmental media. Guidelines.fdr sample Quality Criteria (AWQC) for the protection .of aquatic organisms.

preservation and options for laboratory analytical techniques are also Because releases from hazardous waste sites are often continuous and included. long-term, concentrations are compared directly with the chronic The SQuiRT cards were developed for internal use by. the Coastal AWQC, when available. SQuiRTs for trace element AWQCs have been Protection & Restoration Division (CPR) of NOAA. The CPR Division updated to show values for just filtered samples, as well as the formulae to calculate exact criteria for elements whose criteria are hardness-identifies potential impacts to coastal resources and habitats likely to be dependent. Groundwater concentrations are also screened against affected by hazardous waste sites. To initially identify substances which may threaten resources of concern to NOAA, environmental AWQC. However, given the dilution expected during migration and concentrations are compared to these screening levels. These tables are upon discharge of groundwater to surface water, CPRD uses 10 times the intended for preliminary screening purposes only: they do not represent applicable AWQC for screening. If available, suitable site-specific official NOAA policy and do not constitute criteria or clean-up levels. dilution factors are used. Maximum Contaminant Levels (MCLs),

NOAA does not endorse their use for any other purposes. Screening applicable to drinking water sources and secondary MCLs applicable to levels are reported with the number of significant figures they were groundwater, are also provided on the SQuiRT cards.

originally reported with. Promulgated criteria similar to the AWQC are generally not available for Further guidance on the recommended application of various screening contaminated soils or sediments. For screening purposes, inorganic guidelines is provided in the supporting source documentation (listed on contaminant levels in soils are compared to the average concentrations the last page of each section). Users of the SQuiRT cards are strongly found in natural soils of the United States. Organic compounds in soil encouraged to review supporting documentation to determine are screened against risk-based Canadian. soil standards. Soil standards appropriateness for their specific use. for different land use categories are listed to provide perspective. Soil values are not used by NOAA to estimate aquatic exposures. NOAA The SQuiRT card set is organized into the following sections: screens soil concentrations only to estimate which contaminants may be elevated and thus represent potential contaminant sources to aquatic

  • Inorganics in Solids (fi'eshwater and marine sediment, plus soil) habitats of concern.
  • Inorganics in Water (groundwater and surface water)

' Organics in Water and Solids Multiple sediment screening values have been included in the NOAA

" Analytical Methods for Inorganics SQuiRTs to help portray the entire spectrum of concentrations which

" Analytical Methods for Organics have been associated with various probabilities of adverse biological

" Guidelines for Sample Collection & Storage effects. This spectrum ranges from presumably non-toxic, e.g., trace metal levels reported to represent non-anthropogenically

50 These tables were developed for internal use for screening purposes only: they do not represent official NOAA policy and do not constitute criteria or clean-up levels.

ade o ensue accuracv hen owever, NOAA is not Iable for e rrors. Values are subjcc o changes as new data become available.

values in ppb dry weight) F-EEatI Lowest Threshold Probable 2 Threshold Effects Probable Effects Apparent 3 Background "Background" I ARCS Effects Effects Effects Effects Range- Effects Range Effects H. a:ieca Level Level Threshold Level Low Level Median Geometric Threshold Mean Range TEL (TEL) (PEL) (UET) (TEL) (ERL) (PEL) (ERM) (AET).

Predicted Toxicity Gradient: --------- Incr,,qg,__

siLig Increasing fzýý:

  • LU M FN"U' M4 (A l(% K..0.26%< 1'ý8.55 N 47'/'ý Or5-':110%
  • ANTIMONY (Sb) 160 3,000 M 9,300 E 480 bd-8,800 S E NICC (.As) s < '. 1,100 *': 10798 :5,900 17,000, 17,0001 7,240 <bd-97,00 41,600 8200, 70,000 35,000 B 5,200 BARI UM (Ba) 700 48,000 A 440,000 10,000-0.55/

C.ADMUM (Cd). 100'300, 583, 596 3,530 , ,3,0001I 676ý *. 1,200. 44,2101u .9,600

  • 3,000:NN":

C HR O M I U NI (Cr) 7,000-13,000 36.286 37,300 90,000 95,000 H 52,300 81,000 160,400 370,000 62,000 N 37,000 1000-0.2%

COBA LT. (C0) 10,000 7 10,000MO 6,7000 bd-70,000 CO.PPER (Cu) 10,000-25,000 28,012 35,700 197,000 86,000 1 18.700 34,000 108,200 270,000 390,000 MO 17,000 bd-700,000 SEN (F eb) " 0.99-1;80% 1884% ,% 9, 22%1N 41.8% 0.01-7>10%

L E A 1) (Pb) 4,000-17,000 37,000 35,000 91,300 127,000 H 30,240 46,700 112,180 218,000 4.0,000 16,000 bd-700,000 N11AN G A N ESE (ýMn) 400,000 630,0007 1100,0001 ;260,OONI 330,000 bd4-57 MERCURY g 4-51 174 486 560 M 130 150 696 710 410 M 58 bd-4,600 NI'CK E L9,900 19,514 18,000 35,900  : 43000 H 15,9.00 2,900 42,800 0000.51,600 EL 13,000 bd.700.000 SELENIUM (Se) 290 1,000A 260 bd-4,300

~SILVER (Ag) <500 4,500 H 73.0 1,000 1,770 ~;3,700 4 3,100, B 41 STRONTIUM (Sr) 49,000 120,000 bd-0.3%

j TIN (Sn) - .. <5000' - "48 <.*1*s >3400 N 89C b5 -I J j000 V A N A D I U M (V)) 50,000 57,000 N 58,000 bdL500,000 ZINC (Z n 7-00,:3* 000 S98,000 123,100 315,000 920MiM 124,000 50; 2 d 4J~00I2 1 4+000,ý,- bs

v . 9"o S U L F I D ES 130,ooo M . 4,500 MO "Background" 'values are derived from a compilation of sources, but come primarily from Int. Joint Comm. Sediment Subcommittee (1988).

2Entry is lowest, reliable value among a compilation of AET levels: I - Infaunal community, impacts; H - Hyalella avteca bioassay, M - Microtox bioassay 3 ntry is lowest value among AET levels: I - Infaunal community impacts; A-Anlphipodý B-Bivalve M-Microtox; O-Oyster larvae, E-Echinoderm larvae, L-Larvalmax ;or, N-Neanthes bioassays

  • -Basedupon EqP approach using currently proposed AWQC.CCC.

S ed i m ent: PTI Environ. Serv.. Contaminated Sediments Criteria Rpit.. 1989: Wash. Dept. Ecol. Publ.95-308, 1995 and 97-323a, 1997: J. Great 7600 Sand Point Way NE.I Lakes Res. 22(3):624-638, 1996ý Gries & Waldow, Puget Sound Dredged Disposal Analysis Rpt.. 1996; Environ. Manage. 19(1):81-97, Mlichael Buchman

  • OA/ Seattle, Washington 98115-0070' 1996: The AET Approach: Briefing Rpt. to the EPA SAB. Sept. 1988; Int. Joint C(omni., Procedures for Assessmeni ofContaminated NOAA/ARD Tel: 206W526.6340 Sediment i the Great Lakes, 1988; Ecotox. (5):253-278, 1996 EPA Rpt. 905-R96-008, Sept, 1996.; WAC Chapter 173-204; J. Great Fax: 206-526.6865 Lakes Res. 22(3):602 - 623, 1996. Etniail: CPRD.SQUIRT@noaa:gov Soil: Shacklette and Boerngen 1984: USGS Prof. Paper 1270: bd denotes below detection limits.

UPDATED FEB, 2004 HAZMAT REPORT 99-1

S(

These tables were developed for internal use for screening purposes only: they do not represent official NOAA policy nor constitute criteria or clean-up levels.

All attempts have been made to ensure accuracy; however, NOAA is not liable for errors. Values are subject to changes as new data become available.

(values in oob )

Maximum F'eshivalei- Aarine Contaminant 0MGC CCC 0MGC CCC M1 Leel Ms) "acute" "chronic" "acute" "chronic'" ______________________________

"ALUMINUM (AI). 50-200* pH 750 pH-i8, FovrpMOto9~ .uann expresses as taoteircoveraoibe ANTIMONY (Sb) 6 88 p 30 p 1500 p 500 p ARSENIC (As") 850* 2319 :rOELs from 50 FR'30789." 4-. <4*7-4<4 ARSENIC, total 10- 340 150 69 36 Toxicity values derived for arsenic IIIare now applied to total arsenic,

_BA R I UM (Ba) 1110 4.0 <Tier It value for freshwater.

BERYLLIUM (Be) 4 130

CAdmIUM (C*d) 5 4'  :!W. 2 't 0.25 140 > 8.8 CHROMIUM (Cr 3 ) S100 570 t 74 t 10300

  • CHlROMIUM (C r) *100'~ 16 } '11 110ý 50'

- Marnevalues represent change to filtered basis'.," ...  : ':

CHROMIUM, total 100 COPPER (Cu). 1300 S13 t 9tf 4.8 IRON (Fe) 1000 43:.1 *

4 300 IE'AD (Pb)'

L, 4651t 2.5 t, 210 Values represent~cag to filtered basis:.

MANGANESE (Mn) . 2. 60 ......

50 21300 120 Tier II value for freshwater.

>MERCURY (Hg) 440.77 1.K8 0.94 Derived from inorganic but appliedato total mercury. 7 ",':

'Dees not acco'unt for food web uptake,'

NICKEL (Ni) 470 t 52 f, 74 8.2 Marine values represent change to filtered basis.

. H OS P HýO R US. (p) For eefeartienal phoriph&'4us. "~4"""~~

Freshwater CMC depends on ratio of selenite to selenaIe.

SELENIUM ('Se) 50 13-186 total .5 total 290 71 Marine values represent change to filtered basis. Marine CCC does not account for food web uptake, so monitor fish community if > 5.0 pg/L.

SJLVER (Ag) 100~ .6(2),t~ 0.95 (2) CMCs has'been divided'by two to be comparable to 1985 dervations THALLIUM (TI) 2 1400

  • 40
  • 2130

TIn'as TBT' 0.467 0.072f 4 >0.42 00074 ZINC (Zn) 5000 120 t 120 t 90 81 Marine values represent change to filtered basis.

Hydrogen fre'e

    • "*Cva'nide; Sulfide 1C'N*.*,*( 2.0 2.0 I 22 - 5.2 "1" Cvanicle free (CNI I I I AI I p - proposed *- Lowest Observable Effect Level (not a criterion) ' o- National Secondary Drinking Water Regulations (2) - CMC has been halved to be comparable to criteria derived using 1985 Guidelines t Hardness-dependent value with 400 mg/L as maximum calcium carbonate; value entered is for 100 mglL calcium carbonate,. Use equations to determine exact criteria.

Criteria are generally expressed as dissolved (passing through a 0.45 mm filter ) and calculated from total recoverable by applying a conversion factor, except as noted.

For salinity between 1 and 10 ppt, use the more stringent of either fresh or marine values.

UPDATED NOV, 2006 HAZMAT REPORT 99-1

These tables were developed for internal use for screening purposes only: they do not represent official NOAA policy nor constitute criteria or clean-up levels.

values in ppb ) All attempts have been made to ensure accuracy; however, NOAA is not liable for errors. Values are subject to changes as new data become available..

'-n o0 =I-mkd:t[;I!ID - I

- *I m [o utT* di oS/ *[

FOR UNFILTEREED FRESHWATER CCONVERSION FACTORS Fresh CMC Fresh CCC Marine CMC CC CMC/CCC ARSENIC (AS) CIF CF=1 GIF= 1 CF =11 36672 CADMIUM (Cd) CMC= 1.0166 [4n har ness.)]j-3.924[ CC =Ž 9O7409 [ hz(hardness)]-4J'i 9. F0.0416838,[ln(hardness)f CF = 0 994 CHROMIUM III (CR' 3 ) CMC = e 0.819 1 ln(hardness)] + 3.7256 CCC e 0.819 [ In(hardness)] + 0.6848 CIF 0.316 CF = 0.860 HROMI UM VII, (Cr. 827A_ CJF,=, ý962..j<~ IF --.0.993.

COPPER (Cu) CMC = e 0.9422 [ in(hardness)] - 1.7 CCC e 0.8545 [ In(hardness)] - 1.702 CF = 0.960 CF 0.960 CF = 0.83

  • CF = ,1.46203S"'** "- ':' .":**  ;  ;** *"  :* ,

LEAD (P.b)_ " CMC,-- .1273 [ll(hardness)]- 16.A "*cC *'e 1.273 [h1(hardness)l -,4.705

.. 0.1457.12 [l1(hardness)] SAME AS CMC CF =0 851 MERCURY (Hg) CF= 085 CF0= 0.85 CF D0.295 NICKEL. (Ni) CC 846 n(hardness)j + 0.0584 CF = 0.998. CF = 0.997 ,',

The freshwater criteria are expressed as total recoverable:

SELENIUM (Se) a CF of 0.922 may be used. CF = 0 998 SiLVER:(Ag)

L. .- - c* N0.criteria , CF = 0.85C 0

ZINC (Zn) CMC = e 0.8473 (ln(hardness)] + 0.884 ccc =e 0.8473 [ In(hardness) +0.884 C F0.97 8 I CF=0.98 6 CF = 0.946 Freshwater criterion for certain metals are expressed as a function of hardness (mgIL) in the water column. The values shown on page 3 assume 100 mg/L. Values for a

.different hardness may be calculated using the above equations to arrive at a CMC or CCC for filtered samples. Hardness may range up to 400 mg/L as calcium carbonate. For hardness above this range, use 400 mg/L as the maximum value allowed.

Criteria for most metals are expressed as standards for samples filtered through 0.45 pm filter (i.e., "dissolved"). To convert unfiltered concentrations to filtered, multiply the unfiltered concentration value by the appropriate Conversion Factor (CF) above. For cadmium and lead, the conversion factor itself is hardness-dependent.

For salinity between 1 and 10 ppt, use the more stringent of either fresh or marine values.

CMC - Criteria Maximum Concentration is the highest level for a 1-hour average exposure not to be exceeded more than once every three years, and is synonymous with "acute."

CCC - Criteria Continuous Concentration is the highest level for a 4-day average exposure not to be exceeded more than once every three years, and is synonymous with "chronic."

McL EPA 810-F-94-001A *Mi7600 Sand Point Way N.E.

EPA570/9-91-019FS .Mic Buchmanl 206,526*6340 Seattle, Tel: Washington 98115-0070 AWQC: Fed. Reg. 4 May 1995, Vol. 60 (86): 22229-22237; Fed. Reg. 10 Dec 1998 Vol. 63( 237:) 68353 -68364 NOAA/ARD a:265666 US EPA, Quality Criteria for Water Summary 1994, EPA Health and Ecological Criteria Division Fax: 206,526-6865 www.epa.gov/waterscience/criteria/wqcriteria.html; Tier IIfrom ORNL ES/ER/TM/-96/R2.; - Email: CPRD.SQUIRT@noaa.gov UPDATED NOV. 2006 HAZMAT REPORT 99-1

inuickRefeenceTable.,-~

g ga These tables were developed for internal use for screening pu poses only: they do not represent official NOAA policy and do not constitute criteria or clean-up levels.

All attempts have been made to ensure accuracyi hovever NOAA is not liable for errorsbictto chanes as new daa be available.

sediment and soil. except as noted) *

(alt values 'in ppb, dry weight for WATERSE1 rS0 1 Vlaimun Ambient Water Otalt Criteria I LowstT rehd Prbal Upe.Treshold Effects Effects Probable Apparent 3 rAgri-4 Urban4 Effecs Rne - ag-Efcs Efcs culturl pr

- ARCS IEffects Effiects Effect, 0, )oN iranttain1- Ia'eswaerMai H. Level Level fhreshold Level Low Median Level Threshold Tre eieta Level CNvIC CCC " CIVIC CCC TEL (TL lL (UET) ](TEL') (ERL). ý (ERM) ,(PEL) ](AET) Target 1 Lf I flN,5A K IllEI1 li i.% i,5,5 &' rLu TCODD2.3,.8,- 1,74601.6 0,o000 <O.W O.bboodoo*  :,  : D.0088tH. 0,0036 N* 0.io 1 POL YC H LO6RINATE D 1336363 0.5 2 0.0.14 10 0.03 31.62 34.1 277 26 M 21.55 22.7 180 188.79 130 M 500 5000 B t PH EN Y I. S SEMIVO11LA TILES BENZIDINE 92875 0 , 391/2 7 .S .v' s->

BENZOIC ACID 65S50 740 - 42 ~ 650 BE-IZYL ALCO6HOL 60516- - ." 52 B CHLOROANILINE 4 106478 250*C 50*C 160"C 129"C DTB.ENZOFURAN 13264,9 6 - 37 . 5100. . .. "H 110.E DIPHENYLHYDRAZINE 1,2- 122667 - 270*

7IOHOOE8591, J_ . 1170ý00 290, SEMI 'OL, 1T1 LE, NI TR04R0MA 1'RCA DINtI-TROTOLUEN E 2.4- 1211443 'i 230* ~590*S 370*S , ~ 2 NITROBENZENE 98953 27000* 6680* 21 N N 7Nt T R O S 0 D ýLAMINE 86306' 5850cC 210 3300'C .' 2 1<K~

SEMI F41OLA TILE. OR(;ANO(CIIIORIA"ES A-LORIN >2 ~ '309002> 1.5(~ 0,65(2) ' 401 ' 9.5 AE CHLORDANE 57-49 2 1.2(21 000215(2) 0045 (2) 0.002 (2) 4.5 8.9 30 t 2.26 0. 6 4.79 2.8 A

'CHLORONAP~iTHAALENE 2- 99158 1600* C 7.5*0 .2 s- 7 p~p-DDD (TDE) 712548 06 0011 36* 3.54 8.51 <60t 1.22 20 7.81 <16t ppDE7591050* 14* 1,4 275 374.17 "<1 p p-DOT ota

"*'a'" ....... 50293

.':..:' ........'a'2...

... 0.55 (') 0'005(2 0.065 (2) 2'"`+

0.0005 (2) 6.98.... 2 j, t. 389 1' 1+ 58.....~B 462 514.77 1 DDT, total '5 '>1.B 6.9 445 50 1 4ý 51.7-:'2>

DIELDRIN T 60571 0.24 0.056 0.355 (2) 0.00095 (2) 2.85 6.67 300t 01715 0.02 8 43 1.9 E E N DOS U LFA N +/-L[(o 51i4,7 2-' 0.11 (2) 0.028(2-) M017'20.O00435 (2)~ 1/2 '".t 5.~7 ENDRIN 72208 2 0.086 0.036 0.0185(2) 0.00115(7) 2.67 62.4 5001 HEP 'ACIILOR '76.448 024 0.26 (2) 0.0019 (2) 0.0265 (2)> 0,0018(2 , 10-!'.1 '2.B HEPTACOII R EPOXIDE 1024573 0.2 0,26 (2) 0.0019 (2) 0.0265 (2) 0001812) 0,6 2.74 301 HEX '5CHLOROB'ENZENE 11-8641" 1 ~6p .3.68 p 2'160*0 2'2129*C , -. 7lo:.-~

10 1 ~ -.- B~5 ~

HEXACHI.OROBUTADIENE 87683 90* 9,3* 32* 1.3 E HEXACHL OROCYCLOHEXANE 608731 100" 0.34* 1001 50 2000

+ EPA Proposed Criteria. based on Equilibrium Part.itioning, for Dieldrin are 11.000 and 20.000. and for Endrin are 4,200 and 760 ptg/kg O.C. in freshwater and narine sediment, respectively.

1 p - proposed: - Lowest Observable Effect Level: C - value for chemical class: S - value for summation of isomrers;(2) - CMC has been halved to be comparable to criteria derived by 1985Guidelines -' Tier II value.

2 Entry is lowest. reliable value among AET tests, n i% roc basis: t - infaunal cotomufniryimspacts; M - Microtox bioassay: H- Hralella azteca bioassay: t - value on dry weiglt basis, 3 Entry is lowest valte among AET tests: I - ln1fauntral comsurneity impacts: A-Amphipod B-Bivalve : M-Microtox; 0-Oyster larvae E-Echinoderr larvae; L-Larvalrax ar.N-Neanthes bioassays.

4 Residues greater than target require reirediation to levels below target for applicable land use in British Columbia: 'A' denotes a soil value intended to protect adjacent, aquatic habitat.

UPDATED FEB. 2004 HAZMAT REPORT 99-1

'TM ~eei~in~ Quiok Refei~en~T~&b1~ for ~rgardcs~

These tables were developed.for internal use for screening purposes only: they do not represent official NOAA policy and do not constitute criteria or clean-up levels.

(all salues in ppb, dry weight for sediment and soil. except as noted) axinmunm Ambient Water Onalitv Criteria Lowest Tlhresholc 'robable Upper 2 Threshold cts ects Probable Apparent' Agri- 4 Urban Contain- ARCS Effects Effects Effects Effects Range- Range- Effects Effects cultural park /

ittant lrceshw'aler A4arsine H. azteca Level Level "hreshold Level Low Median Level Threshold Target Residential Level CMC CCC CMC CCC TEL (TEL) (PEL) (UETI (TEL) (ERL) (ERM) (PEL) (AET) Target

______ + 1 0 r I- t-'---------0 I f f 9 HEXACHLOROCYCLOPENTADI: E 77474 50 7" 5.2* 7*

.985 - 540* 94. p 473BL LI N DANE 58899 0.2 0.08 0.941 1.38 91 0.32 0.99 >48 N MEtH0OXYCHLOR 0 . 7 243j52,ý 0.03 0.03 MIREX 2385855 0.001 0.001 800 I IT.,0.RA C H L 0 R30B E.NZ-E N EF TPETRACHLOROBENZENE 250'Co 160*C 1.129*c 100 1000 95943 250*C 129*C I .24.5-TOXAPHENE 800o1,32 1 3 0.73 0:21 '0.0002 SE8IJI'OIA TILE, ORGANOPHOSPHA TES AýTRAZINE gHLORPYRIFOS DIAZINON

'" '.. 1 12)2,49, 298.2 V8.2.

333415 1500 0 083.

0.1

'Sp*cial 0.041 0.1 760 0,011 0.82

.17

,0.0056 0.4 MALATHION 121755 0.1 0.1 1000 P ARAT H ION MIIXTUR ' .l 5~b 3 R 00.65 0.013*

SEMI "OLA TILE, PItENOLICS CHLORbPHE'NbL 2- I"' .: 9-.;57 S4380' 500 DICHLOROPHENOL 2.4- 120832 2020* 365* 5A 50 DIM.IETH'YLPHENOL 2,4- 15679 2120* 100 1000 DINITROPHENOL 51285 .230"C 150*C 4850*C 100 Mj'HY L P H E O L 2 - CR ES OL 1 100 1200, 1000 METHYL PHENOL 4- [p-CRESOL] 186445 100 NI1TROPHENOL't4- : .002.7' 23~0*0. S4850*1C 1000 NONYLPHENOL 25154523 27.9 5.9 6.7 1.4 17B 35 A pH PENTACHILOROPHENOL[at pH 7.8 87865 120 p 19 pH 15 pH 13 7.9 35 A pH PHENOL 100952 .1020*. 2560* 5800* 48 T H)

TETRACHllOROPHENOL 2,3.4,6- 58902 440* 50 500

.TRICHLOR'OPHENIL, 4, 95954 IQp 63 p 240 p 50 TRICHLOROPHENOL 2.4.6- 88062 970* 61 50 500 SEMIVOLA TILE, PIITHALA.TES BU TYL'BEN ZYL PHTHALA:TEV 9 2,4!*C D0[2-ETHYL HEX Y L] 11781t7 360 p 1300 I 400 p 400 p 360 p 750 "M 182,16 2646.51 PHTIHALA TE E DIETHYL PHTHALATE -:- 940"C 6BL 3"C 3.4*0 DIMETHYL PHTHALATE 13t113 940*0 2944*C 6B 3"C 3,4*0 DI-N-BOCTYL PHTHALATE 17840, 9*0*c 2944"C 3.4"C 61 BL DI-N-BUTYL PHTHALATE 84742 940*C 3.4"C *58 BL 2944*0 110 H

- For PCP. freshwater CMC- c 1.005pli - 4 869 and (CC = 1.0Spl[ - 5 134 I1 p - proposed: * - Lowest Observable Effect Level: C - value for chemical class: S -value for summation of isomers: (2)- CMC has been halved to be coinparable to criteria derived by 1985Guidelines: -Tier I value.

2 Entry is loscest.reliable value among AET tests. on I`;, 5.1' basis. I -tnfaunal coinaunirv inipacts: M- Microtox bioassavy t - HIrlhlla aw:1cabioassay: f - valoe on dry weight basis.

3 Entry is loaest value among AET tests: I - Infaunal communirt impacts: A-Artphipod; B-Bivalve;M-Microtox : O-Oyster larvae: E-Echinoderr larvae: L-Larvalax ; orr, N-Neanthes bioassays.

4 Residues greater than target require rernediation to levels below target for applicable land use in British Columbia: 'A' denotes a soil value intended to protect adjacent, aquatic habitat.

UPDATED FEB. 2004 HAZMAT REPORT 99-1

TI'Mt

... ee .i gQuck* -. Refe-re e .Tab..tb Org"nic.

These tables were developed for internal use for screening purposes only: they do not represent official NOAA policy and do not constitute criteria or clean-up levels.

All attepints have been made to ensure accuracy: however. NOAA is not liable for errors. Values are subiect to chanrtes as new data become available.

(all values in ppb, dry weight for sediment and soil, except as noted)

Lowest I I ltreSttOld I 'robable itst s rtiiecrs rrooanle pparent Agt- ' Urban I i n rant I Ambient Water Quality Criteria I e/Ih'ot er ARCS Effects Effects Effects I tErefliot° Effects, Ratge- Range-. Effects Effects cultural park Marite Uppser '.

II. azteca Level Level hreshold Level Low Median Level Threshold Target Level CMC CCC CIMC CCC TEL (TEL) (PEL) IUETS (TEL) (ERL) (ERM) (PEL) (AET) Target

___ .4 6 4~~~~*5 -- .I F 'L ,, , .

SEMIfVOLA TILE, PA fIs ACENAPHITHENE 8332" 1700" 520* 97Q0.* ,7100* ý290M -6.71 <-500 130 E 208958g 0 ACENAPHTHYLENE 300 C 160 M 5.87 44 640 127.87 71 E ANTHRACENE' 0.73f. A26 M 85.3 a1100 1245 280 E 300*C BENZO [K IF LU OR ANTHFEN E 207089 27.2 13,400 B -

1600' 1800 El 100 1000 BENZO[A]PYRENE 50328

.0.24- 0.014. 32.4 782 430 763.22 1.100 E. 100 Jbb600 205992 1800 El 1000 BENZO[B FLUORANTHENE 300*6 '1600 BEN7O[C HI]PERYLENE 19124i 4000 3010M 670 M~ 100 BENZ[A]ANTH RACENE 565531 0.49 - 0.027 ~ 31.7 385 500 1 74,83 261 -692ý53 960 E 1000 CHRYSENE 2 I'80 if4 15.7 57,1 o862 800 f 107,77 384 2800 .845.98 950 E DIBENZ\A.-I]ANTH R AC ENE 53703 100 MA 6.22 63.4 260 134,6 230 OM 100 1000

" i644o0 j5 itLbOTR: ANTHENE , ,,3980* 40., 10 2355 1,500 M 112,82 5600 5100 .1493.54 1300 E FLUORENE 86737 70- 3.9 300 Mt 21 17 19 540 144.35 120 E 300*t 1060 IN DENO[ 1,2,3-CO] PYRENE 19339 5 330 M 600 M METHYLNAPHTH ALENE, 2- 91576 20.21 70 670 201.28 6.4 E NAPHTHALENE 1)1203- 2300* 2350* -14.65 600 I 34.57 `160 2100 -390.64 23F, E 100 85018 4.6 p 18.73 41.9 515 800 I 86.68 240 1500 543.53 660 E 100 5000 PH EN ANTH RENNE ý30p 6.3 p 7.7 p

-PYRENE " 129006 3100*C 875 1,000 1 2600 >1397.6 240061 100 LMW PAHs 76.42 5,300 M .311.7 552 3160 1442.00 1200 E 300*C HMW PAHs 6,500 M ,655.34 '6676.14 ~a7900 E Total PAHs 300*C 264.05 12.OQOM 1684. 06 4022 44792 16770.4 VOL.4TILE, A ROMA TIC & I.4LOGENA TED)

.BEN"ZE.NE .  :  : ' 7,432-. *5300* 510o*~ 700*

000 57 BIS[2-CHLOROETHOXY]METHANE 1191t 11000*C 12000*C 6400"C 5

CARBON TET.RACHLORIDE  : 623.5-. F 35200* 9.8.7. 5000C), 100 CHLOROBENZENE 108907 100 50"C 100 250*C 1eood 129"C t .H. ROD BROMOME TH ANE 124481-< 100C 11000*C 12000*C6 - 6400"t CHLOROFORMst 67663 5 28900* 1240* 100 DIBROMOME11TaIANE L '4953 0.05 11000*C 12000tC DICHLOROBENZENE 1.2- 95501 600 1120*S 763"S 1970*S 129*" 13 N 100 D.ICHLOROBENZENE iA4- , 106467 *75 1120*S 763*S 1970*S 110 1M 100 DICHLOROBROMOMETHANE 75274 100C 11i000*C 12000*C 6400*C 1310 LO ROD ILUOR0METHAN 7571 RS 11000*C 12000*C 5-- 6400'C A.*

p - proposed. - Lowest Observable Effect Level: C - value for cbernical class: S - value for sunneation of isoiters; (2) - CMC has been halved to be coniparable to criteria derived by 1985 Guidelines: - Tier It value.

IT0t bas,: I - tnfatinal coritnuitiy inmpacts;M - Microtox bioassay: H - tAyalefla aoeca bioassay t " - value on dry weight basis Entry is lowest, reliable value ariong AET tests, on 1`

3 Entry is lowest value aiong AET tests. I - lnfauial coflvtiuniiy iuipacts. A-Aiiphipod , B-Bivalve : M-Microtox: O-Oyster larvsoe E-Eciiodern larvae: L-Larvalmax : or, N-Neanthes bioassays.

4 Residues greater than target require remediation to levels below target for applicable land use in British Columbia: 'A' denotes a soil value intended to protect adjacent, aquatic habitat.

UPDATED FEB. 2004 HAZMAT REPORT 99-1

TMj euin Quck-Refeec ,ai~frO These tables were developed for internal use for screening purposes only: they do not represent official NOAA policy and do not constitute criteria or clean-up levels.

All attemnts ahie. been made to ensure accuracv: however NOAA is not liable for errors. Values are subject to changes as new data become available.

(all v alues in pp , dry weight for sediment and soil. except as noted)

/IN ailmu1Its Ambient Water Quality Criteria I Lowest I hreshold PArobable Upper I- hreshold It tects Lttects v-robable Apparent Agn- I Urbano Cotitain- ARCS Effects .Effects Effects Effects Range- Range- Effects Effects cultural park /

inant

. hrcstriaior Alottinc Level Low Median Level Threshold

[-s.aleca Level Threshold Level. Target Residential.

Level CMIC CCC CNIC CCC TEL (TEL) (PEL) (UET) (TEL) (ERL) (ERM) (PEL) (AET) Target -

118000* 20000" 113000" 100 5000 DICHLOROETHANE 1,2- 107062

.DfIhLOROETHYLENE Il .2-cis 540590 70 ll600uS 224000S . . i ~ ~ ~ 10 I~ki9. 5000, DICHLOROETHYLENE 1.2-trans 156605 100 11600oS 224000*S 100 5000 DICHLOROPROPENE. .,/ 54i7 s5' ETHYl. BENZENE 100414 700 32000* 7.3- 430* . *. 4EL 0.1%A 0.1%A T**Y~ENEDICHL-ORIDE ' 1to'iife METHYLENE CHLORIDE 75092 11000*0 2200~ 12000*0 6400'C 100 5000 7K PENTACHLOROETHANE, 6:

S7601 6.7240* i 1,100: -390* 281* i 66 6 0 ~ v 5 PROPYLENE DICHLORIDE 78875 5 23000"S 5700* S 10300"8 3040*S "

STY'*RENE ". *" , . . -6tosaz 9320*S100 5000 T E T R A C II L ORi 0 E TH AN E . ..

79345 9320*S5000 TETRACHLOROETHYLANE .7934.' 9320*S 2400 9020... .. .  ! P' . 6 i ,i ' 6'6" '"* " /5o: to 5000A TET R A C I I L 0 RO0E T .HY LEN sE 127184 5 5280] 840* 10200" 450 571 5000 A TOLUENE 06083' 1000 17500, 98,- 6300 5000o r,(

'6OO, "'300A 300000A TRICHLOROBENZENE 1,2.4- 120821 70 250"C 50"C 1600C 129C >4,8E

> 100 1000 0

tRICHLOROET'kANEI I 7t556 200 1()OOS 11- 31 0*1 0 5000 5 18000* 9400*10 50 TRICIILOROETHANE ',1,2 790016 TRICHLOROFLUOROMETHANE 5 45000' 21900* 2000* 41N 6 A 6 75694 11000 C 12000*C 6400*C VINYLI:DENE "CH1.RI'DE 1753540 Vi7~ 116 -00S 224000'S XYLENE 133020' 10000 :i:5: 7 "0t550*

230 - *2 2600 0 ;0*0 ,

13 . : :( " "':::"

.... . ** * .* " -,, ; & >: ::¢ :; ,* ,**';8 : .:*=* :* * :* BL , 6100

........ * ==**=,.*:5000 6 ..

I/OLA TII.Es, NiTRILES ACROLEIN 10-7028 107131 68* 21* 5 K5 6 ACRYLONITRILE it - proposed: I - Lowest Observable Effect Level: C - value for cheeiical class: S - value for suormation of isomers: (2) - CMC is salvedto be cosparable to 1l85 criteria: -- Tier 1Ivalue.

2 Entry is lowest, reliable value arong AET tests. )n I% TOCbasis: I-tnfartiral comn~unitv impacts: M - Microtox bioassay: H- trrrdllo vIiCCa bioassay: t - value on dry weight basis.

3 Eitry is lowest value asiong AET tests: I - Infaunalcommunity imspacts:A-Ansphipod . B-Bivalve . M-Microtoxs 0-Oyster larvae : E-Echinodens larvae: L-Larvalaax ; or, N-Neanthes bioassays.

4 Residues greater tl*antarget require reriediation to levels belowvtarget for applicable land use in British Columbia: 'A' denotes a soil value intended to protect adiacent. aquatic habitat.

8 Water: EPA 810-F-94-001A: EPA 570/9-91-019FS; Fed. Reg. 4 May 1995, Vol. 60 (86): 22229-22237.: Fed. Reg. 10 Dec 1998 7600 Sand Point Way N.E.

Vol. 63(237:) 68353 - 68364: EPA. Quality Criteria for Water Summary 1994. EPA Health and Ecological Criteria Div. Michael Seattle, Washington 98115-0070 Tier I1from ORNL ES/ERITM/-96/R2 Buchman Telal206W52616340 Sediment: EPA 905-R96-008, Sept. 1996: J. Great Lakes Res. 22(3):624-638, 1996, Wash. Dep. Ecol. Pub].95-308, 1995 and 97-323a, NOAA/ARD Fax: 206-526-6865 1997: Environ. Manage. 19(1): 81 - 97, 1996: The AET Approach: Briefing Rpt. to the EPA SAB, September 1988, Gries &

Waldow, Puget Sound Dredged Disposal Analysis Rept., 1996; Ecotox. (5):253-278, 1996: WAC Chapter 173-204 Email: CPRD.SQUIRT@noaa.gov Soil: British Columbia Regulation 375/96, Contaminated Sites Regulation, June 13, 1997. 1 UPDATED FEB, 2004 HAZMAT REPORT 99-1

I TM These tables were developed for internal use for screening purposes only: they do not represent official NOAA policy and do not constitute criteria or clean-up levels.

All attenmnts have been made to ensure accuracv: however NOAA is not liable for errors. Values are subiect to chanees as new data become available.

,7000B 2 7010 2 Water Soil / Sediment

-I I 4 i ALUMINUM (Al) 6800 7020 6010B 6020A 3005A 3010A 3015A 3050B 3051A A NTIMONI0NY (Sb1) 7040 70,41 .7061ý 6010B 6020A I -005A301i5A  : 3050B 3051A ARSEN I=C (A) 6200(60) 7063 7061A 3 7060 7062" 6010B 6020A 3005A 3010A 3015A 7063 3050B 3051A 6200(60) 6800 7080A 081 3 6010B 6020A 3005A 3010A 3015A BERY LIUM (Be) 7 7090 7091 6010B 6020A 3005A 3010A 3015A 3020A 30508 3051A 6200 6800 7130 ~6010B 6020A 3005A 3010A 3015A93020A 00B3051A7 l

aýJ CALCIUM (Ca) 6200 6800 7140 7131A~ 6010B 6020A 3005A 3010A 3015A 300 051A C ItR, U MJ (IIC C R) to t t 6800. .6200(200) 7190 ;60,10B'6020A 3005A 3010A 3015A 3020A -,0B  ;

.3051A CHAROMIUM+

6 (Cr+

6 7195-71993 7195-7199 3060A 7200 . j7201 6010B 6020A 3005A 3010A 3015A 3020A a a 050 305.1A CO 1ALT)FR 6200(85) 6800 7210 60108 6020A 3005A 3010A 3015A 30506 3051A COPPER (Cu) 7211 6010B 6020A 3005A 3010A 3015A LEAD (Pb) 6200(45) 6800 7420 7421 6010B 6020A 305 3010A 3015A 3020A 3051A

(.68007$ 7450 6010B 6020A a 305A 3010A 3015A 3ý B 050..3051A.

6200(240) 7460 7461 6010B 6020A 3005A 3010A 3015A 3050B 3051A

  • M E1 R]C: I R:Y' :(Hg:::): /  :: ::

4500ý0.5) 6200 6800 7470A 74 73 47

-470A 7472 3015A oI A 74718B 7473 -- 7, 7471BB7472 7; 43~

MOLYBENUM (Mo) 6200(25) 6800 7480 7481 6010B 3005A 3010A 3015A 3020A 3050B 3051A 4~6200(100) 6800 7520 .7521 60108 6020A 3005A 3010Ag3015A = 3050B 3051A PO TASIUM (K) 6200 6800 7610 60108 6020A 3005A 3010A 3015A

.774C~ 3005A 3010A 3015A s ILvER (.:= ) .... .. 7761 3 60108 6020A .........3050B7760'

30511A

'1 7761 I...

S O.IU M1 I U (NNa' 6200 6800 7760A 3005A 3015A

-60B60~20A, '3050Bl 3051A 7'3005A.3010A.301SA. 3050B 3051A STRO.NTIUM (Sr) 6200(30) 6800 7780 60108. 3015A TIN (Sn) 7840. 78413 6010B 6020A 3005A 3010A 3015A 3020A 6200(85) 7870 VT1A.N: L I (L' ZINC (Sn ) 6200 6800 7910 7911 ~6010B 6020A 3005A 3010A 3015A 3020A 3050B 3051A 6200(80) 6800 7950 7951 3 60108 6020A 3005A 3010A 3015A C 1N. N 1I1) E( HIC N 901OB - 9014 3 1 Method 6200 is Portable X-Ray; 6800 is Elemental/Isotope Mass Spec.; 4500 is tisotunoassay: 7063 is ASV; where available, soil detection limits in ppm are in parentheses.

2 Except as noted, most individual procedures are proposed to be integrated into Method 7000B or 7010.

All method numbers refer to EPA SW-846, Volume IIl with changes as proposed for Volume IV. 7600 Sand Point Way N.E, Michael Buchman Seattle, Washington 98115-0070 ICP's advantage is that it allows simultaneous or rapid sequential determination of many elements, but suffers from interferences. AA determinations are normally Tel: 206.526.6340 completed as single element analyses. ICP and Flame AA have comparable detection limits (within a factor of4), but ICP-MS (6020A) can drastically improve the Fax: 206.526-6865 detection limitis (e.g., an order of magnitude lower). Furnace AA generally exhibits lowerdetection limits than ICP or Flame-AA. and offers more control over Email: CPRD.SQUIRT@noaa.gov tunwanted matrix cotnponents. X-RAY and imonuroassavs allow field determinations.

HAZMAT REPORT 99-1

is i nese tates were oevejooec ior internai use ior screenino ourposes onliv inev oo not represent oiticial iNuiX, poilcv ant 0oilot constitute criteria or clean-up levels.

AROMATIC and IIALOGENATED 8260B 8021B 5021 5030B 5032 5021 5032 5035 VOLATILES SCARBANIATES ' 8321B 81,Q218iE, NNNN CHLORINATED DIOXINS -nd IFJRANS 82808 8290A 8280B 8290A 82808 8290A 3545A 82808 8290A I.-

C:HLOR'INA-TtED pHYDROCA\RBONSI' .8270D~ x 8121 .35~10C352003535Ai CHLORINATED PHENOXkACIDS 4015(0.1 ppm) 8270D 2 8151A 83218 8151A 83218 3535A 83218B151A 3545A 3580A 8151A 36208 6270D 8111 503 505352503' NITRILES and AMIDES 8260B 8031 8032A 8033 8315 8316 50308 - 5032 8031 8032A 5031 5032 5035 8032A 8316 NITROAROMIATICS and KETONES, 6270D 43,510 350~3535A NITROAROMATICS (Explosives) 4050 (0.5 ppm) 8330A - 8332 8330A - 8332 8330A - 8332 8330A - 8332 3620B 4051 8515 (1 ppm)

NITYROS MINES 8270D 3520C 8070A ' 350 55 35508 8070-L NON-HAI,FONATED VOLATILES 80158 5030B8-5032 5021 5031 5032 5035

~cH III ORINES 4040 -4042 '

... ... 8 1yNt~>.. 1/2, I 3510C 520C 3535A 3

(0.2 to 20 ppmrl 82608 81418 8 32 18 . 36208 ORGA NOPHOSPHATES 8270D 2 35100 3520C 3535A 3540C 3545A 35508 4035 (1 pm 08100 >275AX 3iC3520C 36208 36300 3640A 3660 PCBS 4020 (5 ppm) 8270D 8082A 8275A 3540C3545A 3550B3665A 9078 (2 ppm) - 3562 3665A PHENOLICS: : *  :'::::: *'*??

4010A (0.5 ppm)o 82700 738041 3510C35200 3535A 3606363640AB5C3640A 82700 P HT H A LAT ES 8061A 3510C 3520C 3535A 3540C 3545 35508 82700 36108 36208 3r640

'SENH 15VOL'ATILE ORGANICS~ ,- 3-5100' 35200 D3535A TOTAL ORGANIC HALIDES (TOX) 9020B 9022 9020B 9022 V TILPEOTRALNUCM SiDROARON 4030 (5 p)91, 82606 8015B 8021B 50308 -- 5032 VOLATILE ORGANICS 5021 5031 5032 5035 I Series 4000 are imniunoassays and arc for specific compounds within these classes (i.e., 2,4-D. TNT. RDX, and PCP). Soil detection limits are in parentheses.

I Thkciý n;

- t ý -- I A -4ý,k-i-* 1tt

..ý h~ ý - r- -f* , - k All method numbers refer to EPA SW-846. Update Ill. with changes as proposed in Update IV. Michael Buehmian 7600 Sand Point Way N.E.

NOAA/ARD Seattle. Washington 98115-0070 Options shown are generally for chemical classes; more detailed infornation may be available for specific compounds . A Tel: 206.526.6340 GC/'IS inethods allow for scanning a broad range of volatile and semi-volatile compounds, but suffer from interference and higher detection limits. Specific Fax: 206.526.6865 detenninatoin niethods and HPLC niethiods allow for more precise detenminations of specific compounds of interest. . Email: CPRPDSQUIRT@noaa.gov HAZMAT REPORT 99-1

These tables were developed for internal use for screening purposes only: they do not represent official NOAA policy and do not constitute criteria or clean-up levels.

. All attemnts have been made to ensure accuracy: however NOAA is not liable for errors. Values are subiect to changes as new data become available.

PG Cool* CC

  • 7 P,G HNO 3 , to pH <2 METAIS, except Cr * ,<and , P,G HNO to pH4<2A '- J s  : irin CYAN IDE by method no 9010 PG @

o 14mdaysd 1000 mL 1000<L] ,

ALPHA BETA, ANIDRl DIUM RADIATION ORGAN ICS BENZtDINES ,I Cool, 4°C3 ý- O00.mL .Yn G, TLC 7 days until extraction. 40 days after extraction 1000 mL CHLORINATED HYDROCARBONS SG,TLC days unti :extraction 4.5 days *after extraction,< v,*

'.DIOXINS AND FURANS ~- Cool, 4'C2 Cool, 4'C3

30 7 days until extraction, 40 days after extraction 1j0 0 0 mL -

HALOETHERS G, TLC Cool, 4°C3 3 1000 mL Cool, 4'C NITROSAMINES G, TLC 7 days until extraction, 40 days after extraction CAool,4'C2 tr n h a k7dys£ until~ie~tib, -401days'afteextracion . . . i.. .----

  • NITROAROMATICS AND CYCLIC KETO1NESi 3 Cool, 4'C 28 days 1000 mL.

OIL and GRE.ASE G

TOTAL ORGANIC CARBON, by eioid nno*9060 TOTAL ORGANIC HALIDES by method no )020/902 G, TLC 28 days 500 mL 7 daysiUntil etraction* 40 days after extraction>-* ::i 1000 *mL/250m12 2 1000 mL/250 mL Cool, 40C 7- days until PESTICIDES G, TLO Cool 4°C, da'1T. .,nF extraction, 40 days after 3 e extraction c-3 Coo*,4'"C 'U7 days..ntil

-7_ý,1ý eiractIon 4.0 days after, extato PHENOLS; Cool, 40C 1C0-m i- 11 PHTHALATE ESTERS G, TLC 7 days until extraction, 40 days after extraction

-":7d#ys l~untllext ra cton' ays Cool, 4'C:tre2ni Cool, 4'C'2 thed rk'22 PURGEABLE AROMATIC HYDROCARBONS 14 days VOA Cool, 4°0C '

/..i:# * ; i1<:i  : I~iii'V.1-7 iýtRGEABLEH*IEOIBONS. P-  :

I P - Polyethylene, G - Amber glass containers; TLC - Teflon-lined cap; VOA - Volatile organic analyte vial of amber glass with teflon-lined septum.

2 , Adjust to pH <2 with H 2 SO 4 , HCI, or solid NaHSO 4 3 Free chlorine must be removed before addition of HCI by exact addition of Na 2 S2 03

- 7600 Sand Point Way N.E.

  • EPA SW846 Seattle, Washington 98115-0070 Buchman Tel: 206.526.6340 NO AA/ARD Fax: 206.526.6865 Email CPRD.SOUIRTat.noaa.izov HAZMAT REPORT

impacted, background) to toxic levels. Screening with conservative, mean of the 50% of impacted, toxic samples and the 85% of the non-lower-threshold values (e.g., TELs) ensures, with a high degree of impacted samples, 'is the level above which adverse effects are frequently confidence, that any contaminant sources eliminated from future expected. Freshwater TEL/PELs are based on benthic community considerationi pose no potential threat. Conversely, it does not metrics and toxicity tests results.

necessarily predict toxicity. Upper thresholds(e.g., PELs) identify Apparent Effect Thresholds (AETs) relate chemical concentrations in compounds which are more probably elevated to toxic levels. sediments to, synoptic biological indicators of injury (i.e., sediment Sediment quality benchmarks have been derived in a variety of ways for bioassays or diminished benthic infaunal abundance). Individual AETs varying predictive goals. They are not interchangeable. Nor should they are essentially- equivalent to the concentration observed in the highest be applied without a reasonable understanding of their development, non-toxic sample. As such, they represent the concentration above their perfornance, and their limitations. which adverse biological impacts would always be expected by that For sediment-associated contaminants, dry weight concentrations are biological indicator due to exposure to that contaminant alone.

screened against published sediment quality benchmarks. Some Conversely, adverse impacts are known to occur at levels below the benchmarks are available only on a TOC nornalized basis, and are AET. Only the lowest of the potential AETs is listed. AET values were footnoted as such. Separate values are provided for either freshwater or developed for use in Puget Sound (Washington) and are not easily estuarine and marine sediments. compared directly to other benchmarks based on single-chemical models and broader data sources. SQuiRT cards have been updated with interim The Effects Range-Low (ERLs) and Effects Range-Median (ERMs) plus AET values which are subect to change.

the marine Threshold Effects Levels (TELs) and Probable Effects Levels (PELs) are based upon a similar data compilations, but use different For freshwater sediments, the Upper Effects Threshold (UET) was calculations. The ERL is calculated as the lower 1 0 th percentile derived by NOAA as the lowest AET from a compilation of endpoint concentration of the available sediment toxicity data which has been analogous to the marine AET endpoints. The UETs for organic screened for only those samples which were identified as toxic by contaminants are generally listed for a sediment containing 1% TOC.

original investigators. It is not an LCi0. Since the ERL is at the low Every effort has been made to ensure accuracy in these SQuiRT cards.

end of a range of levels at which effects were observed in the studies However, NOAA is not liable for errors in transcription, in the original compiled, it represents the value at which toxicity may begin to be sources, or revision of values. These screening values are subject to observed in sensitive species. The ERM is simply. the median change as new data become available. These cards may be freely concentration of the compilation of just toxic samples. It is not an LC50. reproduced and distributed, if they are distributed in their entirety, The TEL is calculated as the geometric mean of the 15 th percentile without modification, and properly credited to NOAA. The SQuiRT cards should be cited as:

concentration of the toxic effects data set and the median of the no-effect data set; as such, it represents the concentration below which adverse "Buchman, M. F., 1999. NOAA Screening Quick Reference Tables, NOAA HAZMAT Report 99-1, Seattle WA, Coastal Protection and Restoration Division, effects are expected to occur only rarely. The PEL, as the geometric National Oceanic and Atmospheric Administration, 12 pages."

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