NYC-WTC_000220624

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z z ■< 631-467-8477 5-BORO SAMPLING o METALS IN AIR o co g o |CAI.CULAT1ON FOR QSHA1D121/125G - METALS IN AIR VTA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS I ■D o I A= Concentration of Analyte in sample solution (pg/ml) or (mg/L) J c o I CT o o' ro j B=Concentration of Blank in sample solution (p.g/ml) or (mg/L) ro ■D o I o o> jSSV= Sample Solution Volume ASSV= Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) 3. ro cn 03 >BSV=Blank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV I o !rAB= Reagent Blank Concentration (|xg/ml) or (mg/L) o o c IrABSV= Reagent Blank Sample Volume I 3 CD Jd= 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) I AR=Analytical Result AV I lARR=Analytical Reportable Result in mg/m^ (rounded off to 3-sigma)

A (mg/L) SSV(mL) AxSSV = ASSV B (mg/L) BSV (mL) B X BSV = BBSV ASSV -BSSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.91 100 91 0.085 100 8.5 82.5 30 2.75 Aluminum- Al 2.75 ■■■0.064" 100 6.4 ■-o.'o'ia 100 -1.3 7.7 30 0.2566667 Antimony-Sb 0.26 "o.'oss" 100 3.8 'o'.'o'6'5' 100 0.5 3.3 30 0.11 Arsenic-As 0.11 "0.064" 100 0.4 o7oo3 100 0.3 0.1 30 0.0033333 Barium-Ba <0.01 "o'.'o'oi"' 100 0.1 100 0 0.1 30 0.0033333 Beryllium-Be <0.01 "o'.ooe'" 100 0.6 o'.'o'oi' 100 0.1 0.5 30 0.0166667 Cadmium-Cd 0.02 ■■■b’sisf 100 81.3 6'.'7'5'5' 100 75.5 5.8 30 0.1933333 Calcium-Ca 0.19 "'6?6T'" 100 1 6’008 100 0.8 0.2 30 0.0066667 Chromium-Cr <0.01 ”'6?65”" 100 5 6'.'o'i7' 100 1.7 3.3 30 0.11 Copper-Cu 0.11 "o'.Tss" 100 13.8 6'6’36 100 3.6 10.2 30 0.34 Iron-Fe 0.34 "6'.648" o’.’o’o’g 4.8 100 0,9 3.9 30 0.13 Lead-Pb 0.13 "'o'.Yes" W 16.5 0.T51' 100 15.1 1.4 30 0.0466667 Magnesium-Mg 0.05 "6'.'oo2" w 0.2 d‘.'d62 100 0.2 0 30 0 Manganese-Mn <0.01 100 100 30 Mercury-Hg <0.01 o H 0.003 100 0.3 0.002 100 0.2 0.1 30 0.0033333 Nickel-NI <0.01 K o’.TeT 100 18.1 100 14.4 3.7 30 0.1233333 Potassium-K 0.12 I ‘O.O'ZS 100 7.5 -0.001 100 -0.1 7.6 30 0.2533333 Selenium-Se 0.25 I o 6"O48 ’■2?i'5" 100 100 4.8 215 '0.007 'T.s’os 100 100 0.7 180.8 4.1 34.2 30 30 0.1366667 Silver-Ag 1.14 Sodium-Na 0.14 1.14 o 6'01'4 I 100 1.4 "o'.oos 100 0.9 0.5 30 0.0166667 Thallium-Tl 0.02 o 6'.'o'34 o 100 3.4 *0.026 100 2.6 0.8 30 0.0266667 Zinc-Zn 0.03 CO CO PED ID #01090253-001

o NYCDEP-BROADWAY & 31 ST QUEENS c:/JEM FILES/NYCDEP-HAZMAT/01090253.XIS