NYC-WTC_000220560

PEDNEAULT ASSOCIATES, INC. '1 NYCDEP - WTC z z 631-467-8477 5-BORO SAMPLING o o METALS IN AIR i 1^ jCALCUl ATION FOR OSHA ID12i/125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS j co

■D o c o < (mg/L) |A» Concentration of Analyte in sample solution (pg/ml) or CT o KJ I o' KJ jB=Concentratlon of Blank in sample solution (pg/ml) or (mg/L) ■D O cn C3> ■SSV“ Sample Solution Volume ASSV=« ABialyte cohcentfatioCi x Sample Solution Volume ‘ ARa (A X SSV) - (B X BSV) I O 3. (O 51 •BSV=>BIank Sample Volume BBSV=Blaiik concentrat!on x Blank Sample Volume AV I O !rAB- Reagent Blank Concentration (pg/ntO oir (mg/L) I o I o c ! RABSV- Reagent Blank Sample Volume I 3 CD a ! D- Dilution Factor (NONE) I Ino graviMetic factors For the Trip Blank Analytical Value: IAV= Air Volume Sampled ■S; I ARa (B X BSV) - (RAB X RABSV) I IAR=Analytical Result AV I lARR=Ana^ical Rejyortable Result in m^/m’

A (mg/L) .... fe (roanded off (to 3-sigma)

SSV (mL) A X SSV = ASSV B (mg/L) BSV (mL) B X BSV = BBSV ASfeV -BSSV = AR AV Liters 100 12.5 0.106 100 1.9 AR/AV ANALYTE 30 0.0633333 Aluminum- Al ARR mg/m’ 0.06 0.125 106 ■"d'dii"' 100 1.1 0.'0'43 100 4$ -3.2 30 -0.1066667 Anfimony-Sb <0.01 ■"d.'0'22" 100 2.2 0.022 100 2(2 0 30 0 Arsenic-As <0.01 ''0.002'’' 100 0.2 o'.'o’62' 100 0 30 0 Barium-Ba <0.01 ■"d'ooT" 100 0.1 0.001 100 OJ 0 30 0 Beryllium-Be <0.01 ’"d.doi"' 100 0.1 o.'o'o'i' 100 _0(1 0 30 0 Cadmium-Cd <0.01 "d.'4'23” 100 42.3 “ 0J64 100 36 4 5.9 30 0.1966667 Calcium-Ca 0.2 "d.'o'i2" 100 1.2 o.'di5 100 1 5 I -0.3 30 -0.01 Chromium-Cr <0.01 ■'d.'o'oT" 100 0.1 d5o4 100 04 -0.3 30 -0.01 Copper-Cu <0.01 ! ■"d.'2Tr' 100 21.5 ■“0J86 100 186 2.9 30 0.0966667 Iron-Fe 0.1 "d.'o'oi"' 100 0.1 0.022 100 22 -2.1 30 -0.07 Lead-Pb <0.01 II. "■b'.O54" 100 5.4 oT o'm 100 -1.4 30 -0.0466667 Magnesium-Mg <0.01 I I "d.'0'67" 100 6.7 0.079 100 7;9 -1.2 30 -0.04 Manganese-Mn <0.01 o 100 100 —si 30 Mercury-Hg <0.01 H ! 0.003 100 0.3 0.003 100 0(3 0 30 0 Nickel-NI <0.01 1"^ i 0.157 100 15.7 "0.1'43' 100 1413 1.4 30 0.0466667 Potassium-K 0.05 I—i |""d.o65' 100 0.5 ” o.O3i' 100 3.1 -2.6 30 -0.0866667 Selenium-Se <0.01 s o j...... o'" 100 0 ao'o'oij 1001 0.01 -0.01 30 -O.issa‘3333 Silver-Ag <0.01 o o j""T4'63" 100 146.3 "Tsm 100 150.4 -4.1 30 -0.1366667 Sodium-Na <0.01 Io i''’"6.'6b'5 100 -0.5 "-d’.'o‘6i‘ 100 -0.1 -0.4 30 -0.0133333 Thallium-TI <0.01 o i''"b"o'42'' 100 4.2 "c).'o‘25 100 2.5 1.7 30 0.0566667 Zinc-Zn 0.06 CO CO LABTd #01100327-005 CR )■ CO CO NYCDEP -ATLANTIC AV & SMITH STR. BROOKLYN n-/.IFM Fil FR/NYnnFP-HA7MAT/mni inmo7 vk J