NYC-WTC_000210860

z ■< PEDNtAULT ASSOCIATtS, INC. NYCDEP - WTC z o 631-467-8477 5-BORO SAMPLING ■<

io METALS IN AIR o co jCALCUIATlON FOR OSHA ID121/125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS I ■D o c o jA= Concentration of Analyte in sample solution (pgAnl) or (mg/L) o ro I CT jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) o' o ■D 00 C3> ■SSV= Sample Solution Volume ASSV= Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I O 3. cn 03 >BSV=Blank Sample Volume BBSV= Blank concentration x Blank Sample Volume AV I o ! RAB-Reagent Blank Concentration (pg/ml) or (mg/L) o o c 5 RABSV= Reagent Blank Sample Volume I 3 CD 5 D= Dilution Factor (NONE) I Ino GRAVIMETIC FACTORS For the Trip Blank Analytical Value: ■ I I AV= Air Volume Sampled AR= (B X BSV ) ■ (RAB X RABSV) |AR=Analytical Result AV I I ARR=Analytical Reportable Result In m^/m^ (rounded off to 3-sigma)

A (mg/L) SSV (mL) A X SSV = ASSV B (mg/L) BSV (mL) B X BSV = BBSV ASSV-BSSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.095 100 9.5 0.121 100 12.1 -2.6 30 -0.0866667 Aluminum-Al <0.01 0^069 100 6.9 100 0 6.9 30 0.23 Antimony-Sb 0.23 or6o4 100 0.4 100 0 _____________ OA 30 0.0133333 Arsenic-As 0.01 0?003 .. 100 .... dTdd'a 0.3 100 0.3 0 30 0 Barium-Ba <0.01 0 100 -0.1 0.1 30 0.0033333 Beryllium-Be <0.01 100 0 o.*d6i’ 100 ____________ 0.1 -0.1 30 -0.0033333 Cadmium-Cd <0.01 o;^5 100 50.5 d.eeV 100 66.1 -15.6 30 -0.52 Calcium-Ca <0.01 *d'609 100 0.9 ojoi' 100 1 -0.1 30 -0.0033333 Chromium-Cr <0.01 O?625 100 2.5 0'02*7 100 2.7 -0.2 30 -0.0066667 Copper-Cu <0.01 0’047 100 4.7 '0'1'82' 100 18.2 -13.5 30 -0.45 Iron-Fe <0.01 0?014 100 1.4 b*.*d2i' 100 2.1 -0.7 30 -0.0233333 Lead-Pb <0.01 ’dJOS 100, 10.3 'd.1'43 looj 14.3 -4 30 -0.1333333 Magnesium-Mg <0.01 o?doi' 100 0.1 0'.003 100 0.3 -0.2 30 -0.0066667 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H 0.001 100 0.1 0.002 100 0.2 -0.1 30 -0.0033333 Nickel-NI <0.01 'oj'g/ 100 16.7 "'ais 100 15 1.7 30 0.0566667 Potassium-K 0.06

I o '’d?d39 "d?d3i 100 100 3.9 3.1 ■0.022

”o?6T 100 100 2.2 1 1.7 2.1 30 0.0566667 Selenium-Se 30 0.07 Silver-Ag 0.06 0.07 o "2?5'8'9 100 258.9 100 375.5 -116.6 30 -3.8866667 Sodium-Na <0.01 I o -o?doT 100 -0.1 0.005 100 0.5 -0.6 30 -0.02 Thallium-TI <0.01 ■**d"02 100 2 *0.035 100 3.5 -1.5 30 -0.05 Zinc-Zn <0.01 o

Ui LAB ID #01090311-003 cn l-> co NYCDEP - CENTRAL PK NO & LENOX-NYC c:/JEM FILES/NYCDEP-HAZMAT/01090311 .xls