NYC-WTC_000210830

z ■< PfcDNEAULT ASSOCIATES, INC. NYCDEP - WTC z ■<

o 631-467-8477 5-BORO SAMPLING o io METALS IN AIR ■ co

I fCALCULATION FOR OSHAID121/125G - METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS ■D o c o o jA= Concentration of Analyte in sample solution (pg/ml) >or (mg/p CT ro I o' jB=Conccntration of Blank in sample solution (pg/ml) or (mg/L) ■D o o 00 Ca3 ■SSV“ Sample Solution Volume ASSV“ Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. 03 CD ■ BSV=Blank Sample Volume BBSV»Blanlc concentration x Blank Sample Volume AV I O o !rAB>: Reagent Blank Concentration (|xg/ml) or (mg/L) o c !rABSV- Reagent Blank Sample Volume I 3 CD

5 D= Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: lAV-i Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I |AR=Analytical Result AV I (rounded offjto ^sigtna)_

BOW O -^R/AO WANALYTEW 0.072 100 7.2 0.083 100 8.3 -1.1 30 -0.0366667 Aluminum- Al <0.01 ■■■■6"o*88" 100 8.8 ■6.057 100 5.7 3.1 30 0.1033333 Antimony-Sb 0.1 ■■■■-*6?6?6 100 -1.6 -6.024 100 -2.4 0.8 30 0.0266667 Arsenic-As 0.03 ■■■■6“o"63"' 100 0.3 “o.o'os 100 0.3 0 30 0 Barium-Ba <0.01 100 0 ”6' 100 0 0 30 0 Beryllium-Be <0.01 6766? 100 0.1 100 0 0.1 30 0.0033333 Cadmium-Cd <0.01 100 67 ’o.sis 100 51.3 15.7 30 0.5233333 Calcium-Ca 0.52 "■■6.615' 100 1.5 ■67012 100 1.2 0.3 30 0.01 Chromium-Cr 0.01 ""oToos" 100 0.5 TooT 100 0.1 0.4 30 0.0133333 Copper-Cu 0.01 ""oT^*' 100 24.6 ■6‘634 100 3.4 21.2 30 0.7066667 Iron-Fe 0.71 ""6664' 100 0.4 6‘ 100 0 0.4 30 0.0133333 Lead-Pb 0.01 ■■■■6.T12 100 11.2 ■“6.08 100 8 3.2 30 0.1066667 Magnesium-Mg 0.11 "■■6.6i6' 100 1.6 ■6”dr5' 100 1.5 0.1 30 0.0033333 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H K 0.004 100 0.4 -0.004 100 -0.4 0.8 30 0.0266667 Nickel-NI 0.03 I ’o'oee' 100 6.6 0.056 100 5.6 1 30 0.0333333 Potassium-K 0.03

I o -6635 ......... 100 100 -3.5 0 -0.048 0016 100 100 -4.8 1.6 1.3 -1.6 30 0.0433333 Selenium-Se 30 -0.0533333 Silver-Ag 0.04 <0.01 o ’oeis' 100 261.8 TooT 100 190.1 71.7 30 2.39 Sodium-Na 2.39 I o o ^rr 100 -1.1 -0.069 100 -0.9 -0.2 30 -0.0066667 Thallium-TI <0.01 CO *0017 100 1.7 O.oi4 100 1.4 0.3 30 0.01 Zinc-Zn 0.01 CR PED ID #01100185-005 O O NYCDEP -ATLANTIC AV & SMITH STR. BROOKLYN c-/,IFM Fll F.A/NYCnFP-HAZMAT/mniinni^c; yIa