NYC-WTC_000220498

NYC 9/11 Public Portal Document ' 1 PEDNEAULT ASSOCIATES, INC. ' 1 NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR ICALCULAIION FOR OS^ 1012 V12^G- METALS IN AIRyiA g^SETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS |. jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) j I jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) J jSSV= Sample Solution Volume ASSY“ Analyte concentration x Sample Solution Volume J AR={AxSSV ) - I ■BSV=.BIank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV I !rAB= Reagent Blank Concentration (|tg/ml) or (mg/L) !rABSV= Reagent Blank Sample Volume I !d= Dilution Factor (NONE) I iNO GRAVIMETIC FACTORS I For the Trip Blank Analytical Value: IAV= Air Volume Sampled i AR= fB X BSV) - (RAB X RABSV) I IAR=AnaIytical Result ! AV I lARR=Ana^ical Rejjortable Result in m^/m’ (rounded off io 3-sigma)

A(mg/L) 'gBSV X^sv -b^vTar W 8 WnalyteB 0.08 100 8 0.073 100 7.3 0.7 30 0.0233333 Aluminum- Al 0.02 ■■■■0.025" 100 2.5 boil 100 1.1 1.4 30 0.0466667 Antimony-Sb 0.05 '“■o^oos"' 100 0.8 0002 100 0.2 0.6 30 0.02 Arsenic-As 0.02 ■■■■cLooa”" 100 0.3 ■ o"d62 100 0.2 0.1 30 0.0033333 Barium-Ba <0.01 100 0.1 ........... b 100 0 0.1 30 0.0033333 Beryllium-Be <0.01 0.001 100 0.1 '■'bboT 100 0.1 0 30 0 Cadmium-Cd <0.01 ■■"oZis"" 100 41.9 ""6273 100 27.3 14.6 30 0.4866667 Calcium-Ca 0.5 ■^5 ■■■■d'bos"' 100 0.8 "'boos 100 0.3 30 0.01 Chromium-Cr 0.01 ■■■■b'diZ- 100 1.4 '~b6iM 100 0.9 0.5 30 0.0166667 Copper-Cu 0.02 ■■■■d.Tis" 100 11.5 “b^ 100 p.6 7.9 30 0.2633333 Iron-Fe 0.26 "■■b'^bbs- 100 0.6 bob? 100 “OJ -0.1 30 -0.0033333 Lead-Pb <0.01 ""6'617" 100 7.7 b057 100 5.7 2 30 0.0666667 Magnesium-Mg 0.07 "■b'bib'^" 100 1.9 ■■'bobs 100 0.5 1.4 30 0.0466667 Manganese-Mn 0.05 o 100 100 30 Mercury-Hg <0.01 H 0.002 100 0.2 -0.001 100 -0.1 0.3 30 0.01 Nickel-NI 0.01 1"^ ■0.1'02 100 10.2 '0.091' 100 9.1 1.1 30 0.0366667 Potassium-K 0.04 I—i ■b'bbs 100 0.8 -d'.'o'6T 100 -0.1 0.9 30 0.03 Selenium-Se 0.03 s o ■b'b'oa 100 0.2 -o.'o'62 100 -0.2 0.4 30 0.0133333 Silver-Ag 0.01 o j ■i"6'5'< 100 165.1 TZi? 100 141.7 23.4 30 0.78 Sodium-Na 0.78 o I o ! ■‘orobf 100 -0.1 -d'.'doi' 100 -0.1 0 30 0 Thallium-TI <0.01 o I ■b'bi'r 100 4.1 'd’.'olY 100 3.1 1 30 0.0333333 Zinc-Zn 0.03 CO CO LAB ID #01100376-006

NYCDEP - BAY STR & VICTORY BLVD. SI c:/.IEM FILES/NYCDEP-HA7MAT/Mni mmyfi yls

NYC-WTC_000220509