NYC-WTC_000220624

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o METALS IN AIR o CD

|CALCULATION FOR OSHAIP121/125G-- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS '2 o o I A= Concentration of Analyte in sample solution (pg/ml) or (mg/L) j B=Concentration of Blank in sample solution (pg/ml) or (mg/L) j I ■D c CT o' KJ "0 KJ o O C3> jSSV= Sample Solution Volume ASSV= Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I KJ CD ■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 !rABSV= Reagent Blank Sample Volume I 3 CD 3 !d= Dilution Factor (NONE) I Ino GRAVIMETIC FACTORS For the Trip Blank Analytical Value; I AV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I iAR=Analytical Result AV I lARR=Analytical Reportable Result in mg/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 APR mg/m’ 0.092 100 9.2 0.085 100 8.5 0.7 30 0.0233333 Aluminum-Al 0.02 0?031 100 3.1 "■"-O.‘di3 100 __________ 4.4 30 0.1466667 Antimony-Sb 0.15 ojoTi 100 1.4 'o'.'o'o's' 100 0.5 0.9 30 0.03 Arsenic-As 0.03 0?003 100 0.3 'o'.'o’o's 100 0.3 0 30 0 Barium-Ba <0.01 o?6bT 100 0.1 100 0 0.1 30 0.0033333 Beryllium-Be <0.01 ojooi 100 0.2 d.'()6i‘ 100 0.1 0.1 30 0.0033333 Cadmium-Cd <0.01 0736 100 73.6 d.'755 100 75.5 -1.9 30 -0.0633333 Calcium-Ca <0.01 O?6o7 100 0.7 'o'.'o'o’s 100 0.8 -0.1 30 -0.0033333 Chromium-Cr 0.03 o?6T9 100 1.9 d.'o'i7 100 1.7 0.2 30 0.0066667 Copper-Cu <0.01 0?053 100 5.3 0.036 100 3.6 1.7 30 0.0566667 Iron-Fe 0.06 aoTs 100 1.3 'o'.'o'o'g' 100 0.9 0.4 30 0.0133333 Lead-Pb 0.01 0J47 100 14.7 '"'''o'.Ysi' 100 15.1 -0.4 30 -0.0133333 Magnesium-Mg <0.01 ! 0?004 ! 100 0.4 ''■'''o'.'o'6'2' 100 0.2 0.2 30 0.0066667 Manganese-Mn <0.01 100 100 30 Mercury-Hg <0.01 o 0.003 100 0.3 0.002 100 0.2 0.1 30 0.0033333 Nickel-NI <0.01 H ”0'15 100 15 ■0.144 100 14.4 0.6 30 0.02 Potassium-K 0.02 K I 0?027 100 2.7 -b.boT 100 -0.1 2.8 30 0.0933333 Selenium-Se 0.09 to

I o o?oiT T?9O7 100 100 1.1 190.7 'b.bo7 "rsoe 100 100 0.7 180.8 0.4 9.9 30 0.0133333 Silver-Ag 30 0.33 Sodium-Na 0.01 0.33 o "oToT 100 1 “0'069 100 0.9 0.1 30 0.0033333 Thallium-TI <0.01 I o o b?028 100 2.8 '0.626 100 2.6 0.2 30 0.0066667 Zinc-Zn <0.01 CO PED ID #01090253-003 CO

1 o NYCDEP - CENTRAL PK NO & LENOX-NYC c:/JEM FILES/NYCDEP-HAZMAT/01090253.xls