NYC-WTC_000210844

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

631-467-8477 5-BORO SAMPLING . o o io METALS IN AIR co

I fCALCULATION FOR OSHA IDl 21/125G- MBTALS IN AIR VIA CASSETTE F1LTOR(37MMMIIXIPORE) fc MOBILE VACUUM PUMPS'"""] ■D o c o |A> Concentration of Analyte in sample solation (pg/ml) or (mg/L) J CT o ro I o' jBsConcentration of Blank in sample solution ({ig/ml) or (mg/L) ■ ■D o o 2 jSSV- Sample Solution Volume ASSV- Analyte concentration i Sample Solution Volume ■ AR= (A X SSV ) - (B X BSV) I 3. 03 ■BSV-^Blank Sample Volume BBSV“Blank concentration x Blank Sample Volume ■ AV o ■ RAB= Reagent Blank Concentration (pg/ml) or (mg/L) ! I o o c !rABSV= Reagent Blank Sample Volume J I 3 CD O !D“ Dilution Factor (NONE) J I Ino GRAVIMETIC factors I For the Trip Blank Analytical Value: jAV« Air Volume Sampled j AR= (B X BSV) - (RAB X RABSV) I IAR=AnaIytical Result IARtL>^al^ic^ i□ ss AV I

0.079 100 7.9 0.064 100 6.4 1.5 30 0.05 Aluminum- Al 0.05 "“0.089”" 100 8.9 "■0.‘0‘23"” 100 2.3 __ 30 0.22 Antimony-Sb 0.22 100 T? ■"-o?ob8”‘ 100 -0.8 2.2 30 0.0733333 Arsenic-As 0.07 0.003 100 0.3 ■"o.‘o‘62"” 100 0.2 0.1 30 0.0033333 Barium-Ba <0.01 ■■"-'orbos"' 100 -0.8 “'-0?009”‘ 100 -0.9 0.1 30 0.0033333 Beryllium-Be <0.01 ■""-b"o‘2"“ 100 “"'5 "■-‘6?62‘i ■■ 100 -2.1 0.1 30 0.0033333 Cadmium-Cd <0.01 ""0.447“" 100 44.7 ‘"o.‘4OF“ 100 40.2 4.5 30 0.15 Calcium-Ca 0.15 ""0.'0'l8"“ 100 1.8 ■“d‘‘o‘i3“" 100 1.3 0.5 30 0.0166667 Chromium-Cr 0.02 ““■5?64S”" 100 -4.3 “■-■6?65‘6‘“ 100 -5.6 L3 30 0.0433333 Copper-Cu 0.04 "“b'.'d22”" 100 2.2 ■"2.‘4‘9i"” 100 249.1 -246.9 30 -8.23 Iron-Fe <0.01 ■"-d.b'i"“ 100 -1 “5jo69“ 100 -0.9 -0.1 30 -0.0033333 Lead-Pb <0.01 ■“■0.065”" 100 6.5 ■"0.‘0‘68"" 100 6.8 -0.3 30 -0.01 Magnesium-Mg <0.01 ■”“6?63”‘" 100 3 ■"d‘‘0‘37“' 100 3.7 -0.7 30 -0.0233333 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H 0.003 100 0.3 0.001 100 0.1 0.2 30 0.0066667 Nickel-NI <0.01 K I T.i‘74 100 117.4 ‘“0.695 100 69.5 47.9 30 1.5966667 Potassium-K 1.6

o I ■d‘038 ■-b"o‘9 ■2.348 100 100 100 3.8 ■"b"o‘6i‘ -9 '“■-0.09 234.8 "■T.'8'i7 100 100 100 0.1 -9 181.7 3.7 0 53.1 30 0.1233333 Selenium-Se 30 30 0 Silver-Ag 1.77 Sodium-Na 0.12 <0.01 1.77 o Io ^563 100 -0.3 "■-6?6Ti 100 -1.1 0.8 30 0.0266667 Thallium-TI 0.03 o ■0.0i? 100 1.1 “0018 100 1.8 -0.7 30 -0.0233333 Zinc-Zn <0.01 CO on LAB ID #01100273-002 on NYCDEP - 138TH & 3RD AVENUE BRONX pil Fq/MVmPP-Wft7*^AT/rr,n-l-innOTO vie