NYC-WTC_000220592

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

I o I calculation for OSHA 1D121/125G- METALS IN AIR VIA CASSETFE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS ■D o c o jA= Concentration of Analyte In sample solution (|ig/ml) or (mg/L) CT o ro I o' ro jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) ■D o o o> o ■ SSV- Sample Solution Volume ASSV« Analyte concentration x Sample Solution Volume AR= (A X SSV) - (BX 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 ■b- Dilution Factor (NONE) I INO GRAVIMETIC FACTORS For the Trip Blank Analytical Value: I IAV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) |AR=AnaIytical Result AV I lA^=^aIyticJ 2?-21^^121

0.097 100 9.7 0.126 100 12.6 -2.9 30 -0.0966667 Aluminum- Al <0.01 “"dd4‘' 100 4 ‘b.ooT 100 3.1 0.9 30 0.03 Antimony-Sb 0.03 ”'-b?ob8 100 -0.8 -b‘bo7 100 -0.7 -0.1 30 -0.0033333 Arsenic-As <0.01 "■d.bb2 100 0.2 "moq 100 0.3 -0.1 30 -0.0033333 Barium-Ba <0.01 i. ■"d.boT 100 0.1 "oSoT 100 0.1 0 30 0 Beryllium-Be <0.01 ■‘“ddoi" 100 0.1 ‘b'b’oT 100 0.1 0 30 0 Cadmium-Cd <0.01 i' ■‘“dsai" 100 52.1 ■o.628 100 62.8 -10.7 30 -0.3566667 Calcium-Ca <0.01 ■ 0.008 100 0.8 ‘0.007 100 0.7 0.1 30 0.1S5S3333 Chromium-Cr <0.01 r""dbT‘ 100 1 "o-'dib 100 1.3 -0.3 30 -0.01 Copper-Cu <0.01 !""b‘.‘2'l5 100 21.5 ■2324 100 232.4 -210.9 30 -7.03 Iron-Fe <0.01 •““ddbg 100 0.9 -0306 100 0.6 0.3 30 0.01 Lead-Pb 0.01 "“dd82“ 100 8.2 "dose 100 9.6 -1.4 30 -0.0466667 Magnesium-Mg <0.01 "“0.079' 100 7.9 "does 100 8.5 -0.6 30 -0.02 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H 0.002 100 0.2 0.002 100 0.2 0 30 0 Nickel-NI <0.01 K I ■0.073 100 7.3 ‘0.086 100 8.6 -1.3 30 -0.0433333 Potassium-K <0.01 to

o I “oToT" 'o.boT ■i’4O8 100 100 100 1 0.1 140.8 ‘-b‘.‘dbi‘ ■0001 i‘.2 100 100 100 -0.1 0.1 120 1.1 0 20.8 30 0.0366667 Selenium-Se 30 0 Silver-Ag 30 0.6933333 Sodium-Na 0.04 <0.01 0.69 o Io ■-O?6O4 100 -0.4 -d.‘o‘b‘8 100 -0.8 0.4 30 0.0133333 Thallium-TI 0.01 o "o?62' 100 2 100 2.8 -0.8 30 -0.0266667 Zinc-Zn <0.01 CO CO CT LAB ID #01110051-005

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