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PRINTDESCRIP PRINTVALUES #6PRG for LEAD#6PbB Calculation# 6Module1:'Calculations of Preliminary Remediation Goals (PRGs)H'U.S. EPA Technical Review Workgroup for Lead, Adult Lead Committee'Version date 05/19/03 ^PRG-^Values for Industrial Exposure Scenario^Exposure^Equation1^Using Equation 1^Using Equation 2^Variable^1* ^2**&^Description of Exposure Variable ^Units^GSDi = Hom^GSDi = Het^GSDi = Hom ^GSDi = Het^PbBfetal, 0.95^X^X#'95th percentile PbB in fetus  ^ug/dL%%%% ^Rfetal/maternal^X^X'Fetal/maternal PbB ratio ^--%Q%Q%Q% Q ^BKSF^X^X'Biokinetic Slope Factor^ug/dL per ug/day%%%%  ^GSDi ^X ^X& 'Geometric standard deviation PbB ^--% Q% % Q%  ^PbB0 ^X ^X 'Baseline PbB ^ug/dL% % Q% % Q ^IRS ^X> 'Soil ingestion rate (including soil-derived indoor dust) ^g/day% R% R ^-- ^-- ^IRS+D ^X: 'Total ingestion rate of outdoor soil and indoor dust ^g/day ^-- ^--% R% R ^WS ^XB 'Weighting factor; fraction of IRS+D ingested as outdoor soil ^-- ^-- ^--% @% @ ^KSD^X#'Mass fraction of soil in dust^--^--^--%%  ^AFS, D^X^X2'Absorption fraction (same for soil and dust)^--%%%%  ^EFS, D2^X^X1'Exposure frequency (same for soil and dust) ^days/yr%6%6%6% 6 ^ATS,D^X^X'Averaging Time ^days%@[%@[%@[% @[ ^PRG"'Preliminary Remediation Goal ^ppm(WuXL@ S  (WR _@ S  (uXL@ S    @ ( R _@   S         @   e'1 Equation 1 does not apportion exposure between soil and dust ingestion (excludes WS, KSD). L' When IRS = IRS+D and WS = 1.0, the equations yield the same PRG.Z'2 For annual exposures, the averaging time (ATS,D) is a fixed value of 365 days/yr.2'*Equation 1, based on Eq. 4 in USEPA (1996). "PRG =-^([PbB95fetal/(R*(GSDi^1.645)])-PbB0)*AT!^ BKSF*(IRS*AFS*EFS)S'**Equation 2, alternate approach based on Eq. 4 and Eq. A-19 in USEPA (1996). "PRG =0^([PbBfetal,0.95/(R*(GSDi^1.645)])-PbB0)*AT>^BKSF*([(IRS+D)*AFS*EFS*WS]+[KSD*(IRS+D)*(1-WS)*AFD*EFD])6'Calculations of Blood Lead Concentrations (PbBs)H'U.S. EPA Technical Review Workgroup for Lead, Adult Lead Committee'Version date 05/19/03 ^PbB2^Values for Non-Residential Exposure Scenario2^Values for Non-Residential Exposure Scenario^Exposure^Equation1^Using Equation 1^Using Equation 2^Using Equation 1^Using Equation 2^Variable^1* ^2**&^Description of Exposure Variable ^Units^GSDi = Hom^GSDi = Het^GSDi = Hom^GSDi = Het^GSDi = 1.9^GSDi = 2.3^GSDi = 1.9^GSDi = 2.3 ^PbS^X^X'Soil lead concentration^ug/g or ppm%%%%%*%%%^Rfetal/maternal^X^X'Fetal/maternal PbB ratio ^--%Q%Q%Q%Q%Q%Q%Q%Q ^BKSF ^X ^X 'Biokinetic Slope Factor ^ug/dL per ug/day% % % % % % % %  ^GSDi ^X ^X& 'Geometric standard deviation PbB ^--% Q% % Q% % % % %  ^PbB0 ^X ^X 'Baseline PbB ^ug/dL% % Q% % Q% % % %  ^IRS ^X> 'Soil ingestion rate (including soil-derived indoor dust) ^g/day% R% R ^-- ^--% R% R ^-- ^-- ^IRS+D ^X: 'Total ingestion rate of outdoor soil and indoor dust ^g/day ^-- ^--% R% R ^-- ^--% R% R^WS^XB'Weighting factor; fraction of IRS+D ingested as outdoor soil^--^--^--%@%@^--^--%@%@ ^KSD^X#'Mass fraction of soil in dust^--^--^--%%^--^--%% ^AFS, D^X^X2'Absorption fraction (same for soil and dust)^--%%%%%%%% ^EFS, D^X^X1'Exposure frequency (same for soil and dust) ^days/yr%6%6%6%6%6%6%6%6 ^ATS, D^X^X-'Averaging time (same for soil and dust) ^days/yr%@[%@[%@[%@[%@[%@[%@[%@[^PbBadult)^PbB of adult worker, geometric mean ^ug/dL(?p= ף@   (?> ףp=@   (rp= ף@   @ (r> ףp=@   @ (?.1@   (?ׁsF@   (r$@   @ (rׁsF@   @ ^PbBfetal, 0.958^95th percentile PbB among fetuses of adult workers ^ug/dL(X4%ջy@    RQ?(Xi<#@    RQ?(4%ջy@   @  RQ?(i<#@   @  RQ?(X9e#@    RQ?(X``#@    RQ?(k#@   @  RQ?(``#@   @  RQ? ^PbBt2^Target PbB level of concern (e.g., 10 ug/dL) ^ug/dL%%%%%%%%^P(PbBfetal > PbBt)H'Probability that fetal PbB > PbBt, assuming lognormal distribution^%(J ?@% %z@<<@123>>LOGNORMDIST((J_'?@% %z@<<@123>>LOGNORMDIST((J ?@% %z@<<@123>>LOGNORMDIST((J_'?@% %z@<<@123>>LOGNORMDIST((J`[壆?@% %z@<<@123>>LOGNORMDIST((Jp\{?@% %z@<<@123>>LOGNORMDIST((JCQ?@% %z@<<@123>>LOGNORMDIST((Jp\{?@% %z@<<@123>>LOGNORMDIST(e'1 Equation 1 does not apportion exposure between soil and dust ingestion (excludes WS, KSD). V' When IRS = IRS+D and WS = 1.0, the equations yield the same PbBfetal,0.95.5'*Equation 1, based on Eq. 1, 2 in USEPA (1996)."PbB adult =-^(PbS*BKSF*IRS+D*AFS,D*EFS/ATS.D) + PbB0"PbB fetal, 0.95 = ^PbBadult * (GSDi1.645 * R)S'**Equation 2, alternate approach based on Eq. 1, 2, and A-19 in USEPA (1996). "PbB adult =K ^PbS*BKSF*([(IRS+D)*AFS*EFS*WS]+[KSD*(IRS+D)*(1-WS)*AFD*EFD])/365+PbB0!"PbB fetal, 0.95 = !^PbBadult * (GSDi1.645 * R)B@  B@  BC A:B4..A:F30 BC A:B4..A:F30  88Pu ``??qP8 u  '  '   P PP*PPP P6PPPP PP P PP P%PPP P5P P"P P P"P P%PPP P5P!PPP P%PPP P5PPP!PP P P P%P PP  P6PPPP!PP!PP P PP%PPPP P6PP P PP%PPPP P6PP PP%PPPP P6PP PPP PPP P P P*P,PPP P(PPPP PP PP-PPP P)P/P P P"P P P-PPP P)P5P PP"P P P-PPP P)P5PP P!PP"P PP-P PP  P6PPPP!PP"P P!PP-P.P-PPP P7PP -P.P-PPP P7PP ' +P0P+PPP P1P+P0P+PPP P1P+P0P+PPP P1P+P0P+PPP P1P bbbbbbbbb  Bbb  BbbbBBbBBbBBb B   BBAAAAAAAABA BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBAABBCCCCCCCCCBCCBAAABAA BBBBBBBBBBBBBBBBAABBCCCCCCCCCBCCBAAABAA   h    H H    A,- A- AJ- A-  AJ- A- AY- Aw- A- A- A- A,- A- A- A-  A- 2 BBi=/1'dDefaultBBb=/ 1'd984Calculations of Preliminary Remediation Goals (PRGs)Source: U.S. EPA (1996). Recommendations of the Technical Review Workgroup for Lead for an Interim Approach to Assessing Risks Associated with Adult Exposures to Lead in SoilB B>  '++LotusScript Development Environment:2:5:(Options):0:66 Option Public '++LotusScript Development Environment:2:5:(Forward):0:1 Declare Sub RestorePbBDefaults '++LotusScript Development Environment:2:5:(Declarations):0:2 '++LotusScript Development Environment:2:2:RestorePbBDefaults:1:8 Sub RestorePbBDefaults [Window 1].Activate [PbB Calculation:W5..PbB Calculation:Z23].Select Selection.CopyToClipboard [PbB Calculation].MoveOrigin $PgLeft,1 [PbB Calculation:F5].Select Selection.Paste ,,,,,, End Sub$Y  LSOBENU 4PLotus ProductV0.0U  *DB02F0hNEW|DELETE INITIALIZE4 TERMINATEOBJECTHRESTOREPBBDEFAULTSWindow 1ACTIVATE'PbB Calculation:W5..PbB Calculation:Z23SELECT` SELECTIONCOPYTOCLIPBOARDPbB Calculation MOVEORIGINPbB Calculation:F5PASTE  r:cLP =8 d\ Y Y ȴT' T' {T'ȈT~'T'{T' >   Ny@ d        PRG for LEAD_  ,  B@  B@  ""  " PCm??%Z+:"     PbB Calculation_,$ B@  B@ $$ """ PCm??%,R+ "     Module1_,, B@  B@   U   follansbee follansbee ' 123123 PropertyDoc Info AuthorDoc Info CommentsDoc Info Editing TimeDoc Info Last Printed DateDoc Info Last RevisorDoc Info ObjectDoc Info Revisions Count  x  Ōg}Ōӌ  $   L  6CMHdr