NYC-WTC_000220608

z PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z o 631-467-8477 5-BORO SAMPLING o METALS IN AIR § I CALCULATION FOR OSHAID121/125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS | ■D o o c o jA= Concentration of Analyte in sample solation (|ig/ml) or (mg/L) CT KJ I o' KJ O jB^Concentration of Blank in sample solation (pg/ml) or (mg/L) "0 CD I o ■SSV- Sample Solution Volume ASSV- Analyte concentration x Sample Solation Volume AR= (A X SSV) - (B X BSV) 03 ■BSV-Blank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV I O !rAB- Reagent Blank Concentration ((tg/ml) or (mg/L) o o c ! RABSV- Reagent Blank Sample Volume I 3 CD 3 Jd- Dilution Factor (NONE) I I NO 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 !A^=An^iS^ Rejmr^leJUsulUn mg/m’

100 9.5 0.103 100 10.3 -0.8 30 -0.0266667 Aluminum-Al <0.01 ■■■■0.'^3 100 9.5 100 20.3 -10.8 30 -0.36 Antimony-Sb <0.01 ■■■*0.0i6'^“ 100 1.6 '■■■oToss 100 5.3 -3.7 30 -0.1233333 Arsenic-As <0.01 ■■■■q.oos ■■■■0.'(>M 100 0.3 100 0.3 0 30 0 Barium-Ba <0.01 ■‘■■■5?6of" ■‘■-o.‘o‘6i’ 100 -0.1 100 -0.1 0 30 0 Beryllium-Be <0.01 ■■■■d‘062"' 100 0.2 ■“'odios 100 0.3 -0.1 30 -0.0033333 Cadmium-Cd <0.01 '"“6247“" 100 24.7 'o^ss’ 100 35 -10.3 30 -0.3433333 Calcium-Ca <0.01 ■“■0.0iMf'' 100 0.8 ■■■■■6?6i' 100 1 -0.2 30 -0.0066667 Chromium-Cr <0.01 100 2.4 '■■■O.'()34 100 3.4 -1 30 -0.0333333 Copper-Cu <0.01 ■■■■q'tsV' 100 73.1 ■■■■■l?26' 100 126 -52.9 30 -1.7633333 Iron-Fe <0.01 ■■■■0.039"' 100 3.9 ■■■'o'.'o'o? 100 0.7 3.2 30 0.1066667 Lead-Pb 0.11 ■■■■6‘O36^^’ 100 3.6 ■■■■0.'0'54 100 5.4 -1.8 30 -0.06 Magnesium-Mg <0.01 ■■■■c)■.■o■36■■■■ ■■■■0.’0’39 <0.01 100 3.6 100 3.9 -0.3 30 -0.01 Manganese-Mn o 100 100 30 Mercury-Hg <0.01 H 0 100 0 0.004 100 0.4 -0.4 30 -0.0133333 Nickel-NI <0.01 K I ‘■■■6‘T65^^" 100 10.5 100 15 -4.5 30 -0.15 Potassium-K <0.01 to

s o ”■‘0’034'

■■■o.o62^^' 100 100 3.4 0.2 0.001 100 100 7.5 0.1 -4.1 0.1 30 -0.1366667 Selentum-Se 30 0.0033333 Silver-Ag <0.01 <0.01 o o 100 151.2 100 176.4 -25.2 30 -0.84 Sodium-Na <0.01 Io o ■“'oroos"" 100 -0.5 -0.002 100 -0.2 -0.3 30 -0.01 Thallium-TI <0.01 to co ■■■■o’oasf'' 100 2.3 ■■'0.027 100 2.7 -0.4 30 -0.0133333 Zinc-Zn <0.01 co Cn LAB ID #01110071-002 to to NYCDEP - 138TH & 3RD AVENUE BRONX Fll Fp/MVrnc^D-MATK^AT/Kin-mnnvi vie