NYC-WTC_000220530

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z 631-467-8477 5-BORO SAMPLING z o METALS IN AIR o co § fCALCULATlON FOR OSHA IP121/125G- METALS IN AIR VIA CASSRTTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS | '

c o o K3 jA= Concentration of Analyte in sample solution (pg/ml) or jB=Concentration of Blank in sample solution ((tg/ml) or (mg/L) I ■D c CT o' K3 O jSSV>a Sample Solution Volume ASSV« Analyte concentration x Sample Jiolution Volume AR= (A X SSV) - (B X BSV) I ■D o cn 3. o 03 >BSV=Blank Sample Volume: BBSV=Blank concentration x Blank Sai iple Volume AV I !rAB= Reagent Blank Concentration (jig/ml) pi" (mg/L) o o o !RABSV- Reagent Blank Sample Volume I c 3 CD Jd» Dilution Factor (NONE) o I INO GRAVIMETIC FACTORS For the Trip Blank Analytical Value; 1 AR= (B X BSV) - (RAB X RABSV) I lAV- Air Volume Sampled |AR=AnaIytical Result AV I |ARR=AnaIytical Rejportabic_Rcwlt_in m^/m^ _j(roiinded_olTto^sigma)

A(mg/L) SSV (nriL) A X SSV = ASSV B(mg/Lj^ BSV(mL) B X BSV tfBBSV ASSV-BSSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.095 100 9.5 0.107 100 122 -1.2 30 -0.04 Aluminum- Al <0.01 100 -1.2 o?6t 100 -2.2 30 -0.0733333 Antimony-Sb <0.01 100 “ 02 ■■■"-0.008 ■■■'■o.bo4 100 3 1.1 30 0.0366667 Arsenic-As 0.04

1 -0.2 0.002 100 100 30 -0.0066667 Barium-Ba <0.01 ■■■■-bboT" 100 -0.1 '■■■■-o.b6T 100 0 30 0 Beryllium-Be <0.01 ■■"o'ooa" 100 0.2 ■■■■■d'ooV 100 0.1 0.1 30 0.0033333 Cadmium-Cd <0.01 100 54.9 ■■■■■O.*4‘42 100 44.2 10.7 30 0.3566667 Calcium-Ca 0.36 0.024 100 2.4 100 “or 30 0.0233333 Chromium-Cr 0.02 ■■■"bbc*" 100 2 0.014 100 0.6 30 0.02 Copper-Cu 0.02

i 100 14.8 100 9.5 30 0.3166667 Iron-Fe 0.32 b’.bos" 100 0.8 100 0.2 30 0.0066667 Lead-Pb <0.01 29^0.034 100 100 8.9 3.4 100 0.8 30 0.0266667 Magnesium-Mg 0.03 100 3.1 0.3 30 0.01 Manganese-Mn 0.01 100 100 30 Mercury-Hg <0.01 o 0.004 100 0.4 0.002 100 0.2 0.2 30 0.0066667 Nickel-NI <0.01 H ■q’Tss K 100 18.8 ■q'Ts's' 100 16.9 1.9 30 0.0633333 Potassium-K 0.06 I 'b.’o’se to (—1 100 5.6 'b7633 100 3.b 2.3 30 0.0766667 Selenium-Se 0.08 S O ■o’.bbb 100 0.1 ■■dVooz 100 0.? -0.1 30 -0.0033333 Silver-Ag <0.01 ■3.434‘ 100 343.4 ■3.‘3'78 100 337.^ 5.6 30 0.1866667 Sodium-Na 0.19 o Io o ■-bbbs 100 -0.8 -b'.bos 100 -0.5 -0.3 30 -0.01 Thallium-TI <0.01 ■d‘029“ 100 2.9 ■■b?02 100 2 0.9 30 0.03 Zinc-Zn 0.03 o to co PEDTdVoI 100166-004 co Ui I I CD NYCDEP - BERRY & NORTH BROOKLYN ■ ‘5 c:/JEM FILES/NYCDEP-HAZMAT/mOII00166.xls