NYC-WTC_000210830

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

I |CALCULAT1ON FOR OSHA lP12i/125G- METALS IN AIR VIA CASSETTE FILTER (37MM MIL1.IPORE) & MOBILE VACUUM PUMPS ■D o c o jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) CT o ro I o' jB=Concentration of Blank in sample solation (pg/ml) or (mg/L) ■D o o 00 GO •SSV- Sample Solution Volume ASSV- Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. cn 'BSV-Blank Sample Volume BBSV-Blank concentration x Blank Sample Volume 9L AV I O !rAB- Reagent Blank Concentration (pg/ml) or (mg/L) o o c ! RABSV- Reagent Blank Sample Volume I 3 CD

I D>^ Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: AR= (B X BSV) - (RAB X RABSV) I I AV= Air Volume Sampled lAR-Analytical Result AV I IARR-^alytic^ Rcjjort^lc"Resnltjn __(rouo^

0.104 100 10.4 0.083 100 8.3 2.1 30 0.07 Aluminum- Al 0.07 —o:r2‘6— 100 12.6 ‘0.057 100 5.7 6.9 30 0.23 Anfimony-Sb 0.23 b?019 100 1.9 -b‘.‘d24 100 -2.4 4.3 30 0.1433333 Arsenic-As 0.14 SEE 0? 100 0.3 ‘0.‘d03 100 0.3 0 30 0 Barium-Ba <0.01 0 100 0 d 100 0 0 30 0 Beryllium-Be <0.01 b?ob2 100 0.2 0 100 0 0.2 30 0.0066667 Cadmium-Cd <0.01 b?T83 100 48.3 ”0513 100 51.3 -3 30 -0.1 Calcium-Ca <0.01 aoTi 100 1.2 ‘d.‘o‘l"2 100 1.2 0 30 0 Chromium-Cr <0.01 b?ob4 100 0.4 ‘b‘.'ooT 100 0.1 0.3 30 0.01 Copper-Cu 0.01 ‘d?i41 100 14.1 ‘b‘.‘o‘34 100 3.4 10.7 30 0.3566667 Iron-Fe 0.36 .. b?048 100 4.8 100 0 4.8 30 0.16 Lead-Pb 0.16 b?082 100 8.2 “b?08 100 8 0.2 30 0.0066667 Magnesium-Mg <0.01 ! b?02T 100 2.1 ‘b‘.‘di5 100 1.5 0.6 30 0.02 Manganese-Mn 0.02 o 100 100 30 Mercury-Hg <0.01 H ! -0.003 100 -0.3 -0.004 100 -0.4 0.1 30 0.0033333 Nickel-NI <0.01 K I to "6?682 100 8.2 ‘0.056 100 5.6 2.6 30 0.0866667 Potassium-K 0.09

I o ! ■o?624 ■o?ooi "ws 100 100 100 2.4 0.1 203.5 ^0048 “oSie 'Tool' 100 100 100 -4.8 1.6 190.1 7.2 -1.5 13.4 30 30 30 0.24 Selenium-Se -0.05 Silver-Ag 0.4466667 Sodium-Na 0.24 <0.01 0.45 o !■

I -ojoos 100 -0.8 -o.‘d69 100 -0.9 0.1 30 0.0033333 Thallium-TI <0.01 o o i “ojow 100 1.9 "0014 100 1.4 0.5 30 0.0166667 Zinc-Zn 0.02 CO CP PED ID #01100185-003 CO LO NYCDEP - CENTRAL PK NO & LENOX-NYC CM cQ/MV^nco uiA-7»<A-rz.~,n-(-inn-iOE: ^zlo