NYC-WTC_000220576

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

o 631-467-8477 5-BORO SAMPLING o g METALS IN AIR co 1^

o o [CALCULATION FOR OSHA ID1217125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS 1 ■D c o jA= Concentration of Analyte in sample solution (ng/ml) or (mg/L) CT K3 K3 I o' O jB=Conccntration of Blank in sample solution ((ig/ml) or (mg/L) ■D cn o 00 G3 ‘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=BIank concentration x Blank Sample Volume AV I o o !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) o c i RARSV= Reagent Blank Sample Volume I 3 CD

J D= Dilution Factor (NONE) I Ino GRAVIMETIC FACTORS For the Trip Blank Analytical Value: AR= (B X BSV ) ■ (RAB X RABSV) I IAV= Air Volume Sampled I AR=Analytical Result AV I I ARR=Ana^ical Reportable Result in m^/m’ (rounded off to 3-sigma)

I 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 ARR mg/m’ ! 0.105 100 10.5 0.223 100 22.3 -11.8 30 -0.3933333 Aluminum- Al <0.01 i""0’.063"‘ 100 6.3 0.024 100 2.4 3.9 30 0.13 Antimony-Sb 0.13 i'"‘d’oi4“‘ 100 1.4 0.'003 100 ____________ 0.3 1.1 30 0.0366667 Arsenic-As 0.04 i""o.()O3“‘ 100 0.3 0.402 100 40.2 -39.9 30 -1.33 Barium-Ba <0.01 i""o.o6T”' 100 0.1 o.o6i' 100 (iT 0 30 0 Beryllium-Be <0.01 100 0 '""-o.'ooT 100 ____________ -0.1 0.1 30 0.0033333 Cadmium-Cd <0.01 r""6?28"" 100 28 d'.sie 100 31.6 -3.6 30 -0.12 Calcium-Ca <0.01 r'"d'.o65'“ 100 0.5 o.‘o’o'4' 100 0.4 0.1 30 0.0033333 Chromium-Cr <0.01 1 0.004 100 0.4 o.'o'o'2' 100 0.2 0.2 30 0.0066667 Copper-Cu <0.01 !""0.d78"“ 100 7.8 0.'l'39 100 -6.1 30 -0.2033333 Iron-Fe <0.01 :""-o?oo5"’ 100 -0.5 ■■""-0.064 100 -0.4 -0.1 30 -0.0033333 Lead-Pb <0.01 r"0.048"’‘ 100 4.8 6.'O61' 100 6.1 -1.3 30 -0.0433333 Magnesium-Mg <0.01 !""d’.024‘" 100 2.4 b’.'o’M 100 2.3 0.1 30 0.0033333 Manganese-Mn <0.01 o 30 Mercury-Hg <0.01 100 100 H K 0.003 100 0.3 0.003 100 0.3 0 30 0 Nickel-Nl <0.01 I to 0.108 100 10.8 '0.583 100 58.3 -47.5 30 -1.5833333 Potassium-K <0.01 s o o.oii' 100 1.1 '-0.008 100 -0.8 1.9 30 0.0633333 Selenium-Se 0.06 o (—1 o.boV 100 0.1 "o’.ooT 100 0.1 0 30 0 Silver-Ag <0.01 o T787 100 178.7 "2'.626 100 262.6 -83.9 30 -2,7966667 Sodium-Na <0.01 I o ...... o 100 0 100 0 0 30 0 Thallium-TI <0.01 to 100 'O.'22'7' co 0.014 1.4 100 22.7 -21.3 30 -0.71 Zinc-Zn <0.01 co cn LAB ID #01110052-004 Ui co cn NYCDFP - BERRY & NORTH BROOKLYN