NYC-WTC_000220544

NYC 9/11 Public Portal Document

PEUNtAULT ASSOCIATtb, INC. 631-467-8477 6:1. NYCDEP-WTC ■ 5-BOnO SAMPLING METALS IN AIR • I CALCULATION FOR OSHA ID121/125G- METALS IN AIR VIA^S^E FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS > | |

JA" Concentration of Analyte in sample solution (pg/ml) or (mg/L) / I jB=Conccntration of Blank in sample solution (pg/ml) or (mg/L) ■SSV® Sample Solution Volume ASSV«^Analyteconcentrations Sample/Solution Volume AR= (A X SSV) - (B X BSV) I >BSV=Blank Sample Volume 7 BBSV«Blank concentration x Blank Sai inple Volume AV I !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) !rABSV= Reagent Blank Sample Volume I I

Jd= Dilution Factor (NONE) 'i Ino gravimetic MtoEsJ 1 For the Trip Blank Analytical Value: J AR= (B X BSV) - (RAB X RABSV) I IAV= Air Voluiiie Sampled lAR=Analytical Result^^: - AV I jA^_=Analytic^ in m^/m^ (rounded off to 3-sigma)

A (mg/L) SSV (mL) A X SSV = ASSY B(m^ BSV(rriL) BxB^^BB^ A§SV-&SSViAR AVLiters AR/AV ANALYTE ARR mg/m’ 0.132 100 13.2 0.109 100 2.3 30 0.0766667 Aluminum- Al 007 100 13.4 0^35 100 ~3^ 9.9 30 0.33 Antimony-Sb 0.33 "”d'.O33 100 3.3 -0.06'7' 100 -ot? 4 30 0.1333333 Arsenic-As 0.13 0.003 100 0.3 0'.’002 100 ____________ 0.1 30 0.0033333 Barium-Ba <0.01 ....... I. ....... 100 0 100 iO 0 30 0 Beryllium-Be <0.01 100 0 -o'.'o'ST 100 .1 0.1 30 0.0033333 Cadmium-Cd <0.01 I....! 0'657 100 65.7 o'.'sTs' 100 .8 10.9 30 0.3633333 Calcium-Ca 0.36 O.'o'l2 100 1.2 o’.'o'o? , 100 .7 0.5 30 0.0166667 Chromium-Cr 0.02 0.04 100 4 67649 100 4^9 -0.9 30 -0.03 Copper-Cu <0.01

0.002 "6'699" 100 100 100 30.6 0.2 9.9 6'16'5^ 100 100 100 110.5 -11.3 0.7 -0.6 30 -0.3766667 Iron-Fe 30 0.0233333 Lead-Pb 30 -0.02 Magnesium-Mg <0.01 0.02 <0.01 "6'.'o'66' 100 0.6 6'.'o'2'9 100 2.9 -2.3 30 -0.0766667 Manganese-Mn <0.01 100 100 30 Mercury-Hg <0.01 o I___ 0_009 100 C.9 0.001 100 Oh 0.8 30 0.0266667 Nickel-NI 0.03 H !'""o?3Y"" j aosi"" 100 100 31 '673'6'9 "6.'664 100 100 3?' -5.9 4.7 30 -0.1966667 Potassium-K 30 0.1566667 Selenium-Se <0.01 0.16 I—i 5.1 s o i""-'6j56T" 100 -0.2 '-6'.'o'6i' 100 •0.1 ' -0.1 30 -0.0033333 Silver-Ag <0.01 100 409.3 '376'0'5' 100 360.5 ' 48.8 30 1.6266667 Sodium-Na 1.63 o IP.??.— o Io o 1 • 1 0.004 0.023 ---- 100 100 0.4 2.3 '-6'.'o'6'7j "o'.'ois 100 100 -Pg; 1.1 0.5 30 0.0366667 Thallium-TI 30 0.0166667 Zinc-Zn 0.04 0.02 CO CO LAB Td #01100235-002 i' (JI o cn (JI NYCDEP - 138TH & 3RD AVENUE BRONX c:/JEM FILES/NYCDEP-HA7MAT/mniino?35 yl«

NYC-WTC_000220547