NYC-WTC_000220576

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

o 631-467-8477 5-BORO SAMPLING o io jCALCUIATION FOR OSHA ID121/125G - METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS METALS IN AIR

I ■D o c o J A» Concentration of Analyte in sample solution (^g/ml) or (mg/L) CT o ro I o' ro J B=Concentration of Blank in sample solution (^g/ml) or (mg/L) o ■D o cn jSSV= Sample Solution Volume ASSV= Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. 00 co 03 •BSV=Blank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV o I o !rAB= Reagent Blank Concentration (j^g/tnl) or (mg/L) / o c ! RABSV- Reagent Blank Sample Volume I 3 CD O JD= Dilution Factor (NONE) I Ino GRAVIMETIC FACTORS TB= TRIP/FIELD BLANK For the Trip Blank Analytical Value: ■ AR= (B X BSV ) - (RAB X RABSV) 1 IAV= Air Volume Sampled I AR=Analytical Result AV I lARR=Ansil2rtical Reportable Result in mjig/m^ (rounded off to 3-sigma)

A (mg/L) SSV (mL) A X SSV = ASS’V B (mg/L) BSV (mL) BxBSV = BBSV ASSV -BSSV = AR AV Liters AR/AV ANALYTE ARR mg/m’ 0.025 100 2.5 0^23 100 22.3 -19.8 30 -0.66 Aluminum- Al <0.01 ■""'-’6j’75 100 -17.5 0.024 100 2.4 -19.9 30 -0.6633333 Antimony-Sb <0.01 ■”‘”^?6'7’i 100 -7.1 0.063 100 0.3 -7.4 30 -0.2466667 Arsenic-As <0.01 '6?6d’2 100 0.2 0.402 100 40.2 -40 30 -1.3333333 Barium-Ba <0.01 100 0 O.O6T 100 0.1 -0.1 30 -0.0033333 Beryllium-Be <0.01 ■”'"-’6?6d3 100 -0.3 “oTooT 100 -0.1 -0.2 30 -0.0066667 Cadmium-Cd <0.01 ’6?2’9’5 100 29.5 6'31’6 100 31.6 -2.1 30 -0.07 Calcium-Ca <0.01 ’6?6d5 100 0.5 6’ 604 100 0.4 0.1 30 0.0033333 Chromium-Cr <0.01 ■""■’d?di’9 100 -1.9 6 ’.’o’62 100, 0.2 ____________ -2.1 30 -0.07 Copper-Cu <0.01 ■"■”-’6?6d’2 100 -0.2 6'.T3’9’ 100 13.9 -14.1 30 -0.47 Iron-Fe <0.01 '"'"-'6'61'1 100 -1.1 ’””-6’.’o’6’4' 100 -0.4 -0.7 30 -0.0233333 Lead-Pb <0.01 '0'0'44 100 4.4 6’.’o’61’ 100 6.1 -1.7 30 -0.0566667 Magnesium-Mg <0.01 ’6?6b’2 100 0.2 6.023 100 2.3 -2.1 30 -0.07 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H 0.002 100 0.2 0.003 100 0.3 -0.1 30 -0.0033333 Nickel-Nl <0.01 '6’64'2 100 4.2 ’6683 100 58.3 -54.1 30 -1.8033333 Potassium-K <0.01 to (—1 ’-66'9'3 100 -9.3 ’-6’.’o’6’8' 100 -0.8 -8.5 30 -0.2833333 Selenium-Se <0.01 s ’6’.‘o’6i' O -66’di 100 -0.1 100 0.1 -0.2 30 -0.0066667 Silver-Ag <0.01 o ■6?9T4 ” 2'.'6 ’ 2 ’6 ' -171.2 30 -5.7066667 Sodium-Na <0.01 o 100 91.4 100 262.6 Io '66'62 100 0.2 100 0 0.2 30 0.0066667 Thallium-TI <0.01 o to "66'1'3 100 1.3 "6.267 100 22.7 -21.4 30 -0.7133333 Zinc-Zn ^- <0.01 co co cn LAB ID #01110052-007 Ui wo NYCDEP - DUPLICATE OF #01110052-006