NYC-WTC_000210830

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

o 631-467-8477 5-BORO SAMPLING o io |CALCUIATION FOR QSHA 10121Z125G- METALS IN AIR VIA CASSF.IT^F. FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS METALS IN AIR . |» co

I ■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 solution (pg/ml) or (mg/L) ■D o o 2 •SSV” Sample Solution Volume ASSV® Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. 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 ! RABSV- Reagent Blank Sample Volume I 3 CD Jd- 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 |AR=Analytical Result AV I IARR=Analytical Reportablc Result in mg/m^ (rounded off to 3-sigma) I

7A(mg/L) 0.092 100 9.2 0.083 100 8.3 0.9 30 0.03 Aluminum- Al 0.03 ■"■6'.'o'47"" 100 4.7 0.057 100 5.7 -1 30 -0.0333333 Antimony-Sb <0.01 ■■"-'oroTe"" 100 -1.6 -0.024' 100 -2.4 0.8 30 0.0266667 Arsenic-As 0.03 ““o'.oos"" 100 0.3 '0.063 100 0.3 0 30 0 Barium-Ba <0.01 "''o'.boi 100 0.1 0 100 0 0.1 30 0.0033333 Beryllium-Be <0.01 100 0 o' 100 0 0 30 0 Cadmium-Cd <0.01 ““"oAie—■ 100 41.6 0'.'513 100 51.3 -9.7 30 -0.3233333 Calcium-Ca <0.01 ■■"6'.'o'12"" 100 1.2 '0.012 100 1.2 0 30 0 Chromium-Cr <0.01 ’’“6’662”" 100 0.2 ”o”6o” 100 0.1 0.1 30 0.0033333 Copper-Cu <0.01 ■’’’o’osi 100 8.1 ’'o"o’34 100 3.4 4.7 30 0.1566667 Iron-Fe 0.16 .. 100 0 100 0 0 30 0 Lead-Pb <0.01 ”’’6’.’o’78”’’ 100 7.8 ■”6?68 100 8 -0.2 30 -0.0066667 Magnesium-Mg <0.01 ”’6’.’o’i’9’’'’ 100 1.9 ■o.'di5 100 1.5 0.4 30 0.0133333 Manganese-Mn 0.01 o 100 100 30 Mercury-Hg <0.01 H -0.004 100 -0.4 -0.004J 100 -0.4 0 30 0 Nickel-NI <0.01 K 'b'O56 I ■0‘063' 100 6.3 100 5.6 0.7 30 0.0233333 Potassium-K 0.02 to -orosf Io “<796 100 100 100 -5.7 0 179.6 -0.048 ■ooie TooT 100 100 100 -4.8 1.6 190.1 -0.9 -1.6 -10.5 30 30 -0.0533333 Silver-Ag 30 -0.03 Selenium-Se

-0.35 Sodium-Na <0.01 <0.01 <0.01 o Io “a6o7 100 -0.7 -0.009 100 -0.9 0.2 30 0.0066667 Thallium-TI <0.01 o ‘0.014 ‘o.oie" 100 1.6 100 1.4 0.2 30 0.0066667 Zinc-Zn <0.01 CO CR PED ID #01100185-006 O NYCDEP - BAY STR & VICTORY BLVD. SI c:/JEM FILES/NYCDEP-HA7MAT/mni10niRR xIs