NYC-WTC_000220514

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. 631-467-8477 I NYCDEP - WTC 5-BORO SAMPLING METALS IN AIR fCALCUlATION FOR OSHA lpl21/125G-« METALS IN AIR VTA CASSETTE FILTER (37MM MItLIPORE) & MOBlLiE VACUUM PUMPS J jA- Concentration of Analyte in sample solution (pg/ml) or (mg/L) jB=Conccntration of Blank in sample solution (pg/ml) or (mg/L) i ■SSV” Sample Solution Volume ASSV- Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) I ■BSV-Blank Sample Volume ■ : BBSVaBlank concentration x Blank Sample Volume AV I !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) I I ! RABSV- Reagent Blank Sample Volume I I I Jd= Dilution Factor (NONE) I I I Ino gravimetic factors I For the Trip Blank Analytical Value: i AR= (B X BSV) - (RAB X RABSV) I IAV- Air Volume Sampled |AR=AnaIytical Result I AV I I A^=AnaIytical Rcjmrj^lcJ^snl^ I

•A(mg/L)'^ til -BSV(mL) BXBSV=BB$y ASSV-BSSVl^ AV LIters BAWAV; './ANALnE - j|£ARR'[rig/n?^^ 0.076 100 7.6 0.068 100 0.8 30 0.0266667 Aluminum- Al 0.03 ■■■■0.2'36^^^ 100 23.6 '■0.419 100 41^ -18.3 30 -0.61 Antimony-Sb <0.01 ■■■■0.074^^' 100 7.4 '61Y28 im -5.4 30 -0.18 Arsenic-As <0.01 ■■■■6.003 100 0.3 "bVdoa im 0^ 0.1 30 0.0033333 Barium-Ba <0.01 ■■■■6'.b6V^ 100 0.1 ■■b.bb3 100 0.3 -0.2 30 -0.0066667 Beryllium-Be <0.01 ■■■■o.b64^^^ 100 0.4 'blbo's 100 0.5 -0.1 30 -0.0033333 Cadmium-Cd <0.01 ■■■■6'.658”^ Jim 65.8 ■■b‘.3i3 100 ___________ 31 j3 34.5 30 1.15 Calcium-Ca 1.15 ■■■■olois^^' 100 1.5 ■■blbie 100 ig -0.1 30 -0.0033333 Chromium-Cr <0.01 ■■■■6‘.o35"^' 100 3.5 ■b.b'47 100 47 -1.2 30 -0.04 Copper-Cu <0.01 ■■■■Qlom^^ 100 9.8 ■■bV^T 100 -19.3 30 -0.6433333 Iron-Fe <0.01 6.6'28 _______ Bl 100 2.8 ■■b7644 100 -1.6 30 -0.0533333 Lead-Pb <0.01 ■■■■6‘.O5€f' 100 5.8 ■■b.b‘4i‘ 100 4.1 1.7 30 0.0566667 Magnesium-Mg 0.06 ■“■■olbsy^ 100 8.7 ■■'0?0'9 100 9 -0.3 30 -0.01 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H -0.1 K 0.001 100 0.1 100 P-2 30 -0.0033333 Nickel-Nl <0.01 I to ■0.219 Jim 21.9 0.272 100 27.2 25^ 30 -0.1766667 Potassium-K <0.01 I—i S oIogV 100 9.1 "■■o?i4 100 14 -4.9 30 -0.1633333 Selenium-Se <0.01 o ■■■0.006 o 0‘.014" 100 1.4 100 0.6 0.8 30 0.0266667 Silver-Ag 0.03 o Io ! T.‘85T' 100 185.1 100 188.4 -3.3 30 -0.11 Sodium-Na <0.01 o ! ‘oloos 100 -0.5 -0.004 100 -0.1 30 -0.0033333 Thallium-Ti <0.01 to ■o.’m9 ■■'0.028 2!8 1.1 30 0.0366667 Zinc-Zn 0.04 co 100 3.9 100 co LAB Yd #01100592-001

NYCDEP-BROADWAY & 31 ST QUEENS f-M r“<^ r» «

NYC-WTC_000220515