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HomeMy WebLinkAboutNC0046531_Permit Modification_19980817State: of North Carolina Department of Environment and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Wayne McDevitt, Secretary A. Preston Howard, Jr., P.E., Director Mr. John R. Funk Coordinator Regulatory Compliance & Training Crown Central Petroleum Corporation Post Office Box 78 Paw Creek, North Carolina 28130 A7A NCDENR August 17, 1998 Subject: NPDES Permit Modification Paw Creek Terminal NPDES Permit No. NC0046531 Mecklenburg County Dear Mr. Funk: The Division of Water Quality received your request for modification on May 8, 1998 for the above referenced facility. The permit has been modified per your written request for NPDES permit modification, supporting information, and modification fee (check #6241, $100). The air stripper may be removed from the treatment system and the carbon adsorption system modified from six (6) 55 gallon drums to two (2) 500 pound vessels. The groundwater pump and treat system was replaced by an air sparging system on July 30, 1997 and is no longer discharged. Since the discharge is now stormwater and washwater only, monitoring for ethylbenzene, iron, manganese, phenanthrene, naphthalene and fluorene have been removed. Please find enclosed an amended supplement to permit cover sheet and an amended effluent sheet which should be inserted into your permit. The old sheets should be discarded. All other terms and conditions contained in the original permit remain unchanged and in full effect. This permit modification is issued pursuant to the requirements of North Carolina General Statutes 143-215.1 and the Memorandum of Agreement between North Carolina and the U. S. Environmental Protection Agency. If any parts, measurement frequencies or sampling requirements contained in this permit modification are unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty (30) days following receipt of this letter. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the office of Administrative Hearings, Post Office Drawer 27447, Raleigh, North Carolina 27611-7447. Unless such a demand is made, this permit modification shall be final and binding. If you have any questions, please contact Mary Cabe of my staff at (919) 733-5083, extension 518. Sincerely, fe,/ Preston Howard, Jr. Attachment cc: Mooresville Regional Office, Water Quality Section NPDES Unit Central Files Point Source Compliance Enforcement Unit Mecklenburg County Environmental Protection Mr. Matt Einsmann, P.E., S&ME P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-5083 FAX 919-733-0719 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper i. 7 ip Permit No. NC0046531 SUPPLEMENT TO PERMIT COVER SHEET Crown Central Petroleum Corporation is hereby authorized to: 1. Continue to operate a 0.0432 MGD system for the treatment of stormwater and washwater from the loading rackconsisting of an oil/water separator and two 500 pound carbon adsorption units in series located at the Charlotte Terminal, 7720 Mt. Holly Road, Paw Creek, Mecklenburg County, (see Part III of this permit), and 2. Discharge from said treatment works at the location specified on the attached map into an unnamed tributary to Gum Branch which is classified WS-IV waters in the Catawba River Basin. A. ( ). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Permit No. NC0046531 During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge stormwater and treated loading rack washwater from outfall serial number 001. Such discharges shall be limited and monitored by the Permittee as specified below: Effluent Characteristics Flow l Total Suspended Solids Oil and Grease2 Phenol Benzene Toluene Xylene Methyl Tert Butyl Ether EPA Methods 624/6253 Acute Toxicity4 Discharge Limitations Monthly Avg. Weekly Avg. Monitoring Requirements Measurement sample Sample Daily Max. Frequency Type Location 1 Monthly 1 Effluent 45.0 mg/1 Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Semi-annually Grab Effluent Annually Grab Effluent 1.19 µg/1 11.0 µg/1 Footnotes: 1 Where no measurable discharge occurs, "no discharge" should be clearly noted on the submitted monthly discharge monitoring report. Flow may be monitored in one of four ways: a) Measure flow continuously, b) Calculate flow based on the area draining to the outfall, the built upon area, and the total rainfall (this method of flow measurement should not be used at facilities that have large ponds to collect surface water runoff), c) Estimate by flow measurement at 20 minute intervals during the entire discharge event, or d) Base flow on pump logs. The flow contribution from the groundwater remdiation system shall not exceed 0.0432 MGD at any time. 2 Where possible, the grab sample for oil and grease should be skimmed from the surface of a quiescent (calm water) zone. 3 EPA Method 625 includes five (5) chlorophenols. If one or more chlorophenol(s) is detected at concentrations greater than or equal to 50 mil, the permittee will be required to analyze for the eight chlorophenols (listed below) in addition to EPA Method 625. This additional required monitoring will begin with the permittee's next scheduled monitoring event, occur on a semi-annual basis, and will last for the duration of the permit. Eight chlorophenols include the following: 3-chlorophenol, 4-chlorophenol, 2,3-dichlorophenol, 2,5-dichlorophenol, 2,6-dichlorophenol, 3,4-dichlorophenol, 2,3,4,6-Tetrachlorophenol, and 3-methyl-6-chlorophenol. 4 Acute Toxicity (Fathead Minnow, 24-hour) Monitoring, Annual, See Part III, Condition E. There shall be no discharge of floating solids or visible foam in other than trace amounts. There shall be no direct discharge of tank solids, tank bottom water, or the rag layer. There shall be no direct discharge of tank contents following hydrostatic testing unless the benzene concentration is less than 1.19 ug/1 and the toluene concentration is less than 11 ug/I. DIVISION OF WATER QUALITY July 8, 1998 Memo To: Mary Cabe From: D. Rex Gleason Prepared By: Samar Bou-Ghazale 58 Subject: Crown Central Petroleum Corporation Charlotte Terminal Permit# NC0046531 Mecklenburg County The Mooresville Regional Office has no objections to the removal of the air stripper from the treatment system at Crown Central Petroleum Corporation and the installation of two 500 pound carbon vessels in series prior to the discharge, as per the application. Since the subject request is for treating stormwater and washdown water only, the monitoring for ethylbenzene, iron, manganese, phenanthrene, naphthalene and fluorene, which was required for the GW remediation, can be removed from the permit as requested. If you have any questions regarding this matter, please advise. C.) NC0046531 Crown Central 5/8/98 Received minor mod request and $100 check #6241. The facility would like to remove the air stripper from the treatment system, and add two 500 pound carbon adsorption units instead of the six 55-gallon drums currently used. 5/28 Tetra-Solv estimated 6.25 E-4 lb C/gall water usage. Design capacity of system 0.0432 MGD -> 8101b C/month. Called Stanford Lummus, S&ME (864) 574-2360, for the calculations. He will fax info. Called Samar @ MRO; he would like to see the package so I will send it once I get the calculations. 5/29 Calcs were faxed. 6/2 Received calcs and sent package to Samar. Called Matt Einsmann, S&ME Calculations based on 50 gpm; permit is for 30 gpm (0.0432 MGD). Flow should be monitored monthly — 7/97 = 0.0097, 12/97 = 0.0013, 1/98 = 0.0054, 2/98 = 0.0101 MGD. Flow is measured by calculating volume of the spill control basin prior to episodic discharge. Volume of oil/water separator? 400 gallons GKPR has 3 oil/water separator outfalls listed. No data for 2 or 3. Sent copy to compliance to have other outfalls removed. Monitoring for ethylbenzene, iron, manganese, phenanthrene, naphthalene and fluorene was added because the stormwater is mixed with groundwater (see issue letter 8/2/96). These parameters can be taken out now that the waste streams are not mixed anymore. Compliance inspection 4/29/97 by Richard Bridgeman. TSS = 3 mg/1, other parameters = BDL 7/13 Received SR. RO has no objections to removing the air stripper and above listed monitoring. 7/21 Drafted modified permit. To DAG for issue 7/27 A. ( ). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Permit No. NC004653 During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge stormwater and treatedwater from outfall(y) serial number 001. Such discharges shall be limited and monitored by the Permittee as specified below: AA` lfflu nt Characteristics Flow I Total Suspended Solids Oil and Grease2 Phenol Benzene Toluene Xylene .hthyibenzene Phcnanthrcne - JJuorene 1apthatctte Methyl Teri Butyl Ether EPA Methods 624/6253 Acute Toxicity4 (i.,//%/\..chbvc( Discha ge Limitations Monitoring Requirements Monthly Avg. Weekly Avg. Measurement Sample Sample Daily Max, Frequency Type Location I Monthly 1 Effluent 45.0 mg/I Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent 1.19 µg/I Monthly Grab Effluent 11.0 µg/I Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Monthly Grab Effluent Semi-annually Grab Effluent Annually Grab Effluent Foolnolcs: I Where no measurable discharge occurs, "no discharge" should be clearly noted on the submitted monthly discharge monitoring report. Flow may be monitored in one of four ways: a) Measure flow continuously, b) Calculate flow based on the area draining to the outfall, the built upon area, and the total rainfall (this method of flow measurement should not be used at Facilities that have large ponds to collect surface water runoff), c) Estimate by flow tneasurement at 20 minute intervals during the entire discharge event, or d) Base flow on pump logs. The flow contribution from the groundwater remdiation system shall not exceed 0.0432 MGD at any time. 2 Where possible, the grab sample for oil and grease should be skimmed from the surface of a quiescent (calm water) zone. 3 EPA Method 625 includes five (5) chlorophenols. if one or more chlorophenol(s) is detected at concentrations greater than or equal to 50 µg/I, the permittee will be required to analyze for the eight chlorophenols (listed below) in addition to EPA Method 625. This additional required monitoring will begin with the permittee's next scheduled monitoring event, occur on a semi-annual basis, and will last for the duration of the permit. Eight chlorophenols include the following: 3-chlorophenol, 4-chlorophenol, 2,3-dichlorophenol, 2,5-dichlorophenol, 2,6-dichlorophenol, 3,4-dichlorophenol, 2,3,4,6-Tetrachlorophenol, and 3-methyl-6-chlorophenol. 4 Acute Toxicity (Fathead Minnow, 24-hour) Monitoring, Annual, See Part III, Condition E. There shall be no discharge of floating solids or visible foam in other than trace amounts. There shall be no direct discharge of tank solids, tank bottom water, or the rag layer. There shall be no direct discharge of tank contents following hydrostatic testing unless the benzene concentration is less than 1.19 ug/I and the toluene concentration is less than I 1 ug/l. Groundwater Treatment System Design Review 6/4/98 Facility: NPDES # [Crown Central - Charlotte Terminal NC 46531 r [Air Flow Rate i 0 I CFM Air/Water Ratio = 0 Water Flow Rate 43,200EGPD 163,512 liters/day 30.0 GPM Oil/Water Separator Size: 4 400jgallons No free product 13.3 minute detention time Constituent Concentratior (ppb) Removal Eff. (percent) Residual (mg/I) AC Adsorbed4C (mg/g) Absorbed (g/day) Benzene 45 99.50 0.000225 16 2.30 Toluene 97 99.50 0.000485 22.5 3.52 Ethyl Benzene 10 99.50 0.00005 24 0.34 Xylene 89 99.50 0.000445 46 1.58 Lead 0 #VALUE! MTBE 0 85.40 0 7.5 0.00 Dibromoethan 0 98.00 0 1,2 EDC 0 98.80 0 2.5 0.00 IPE 0 98.00 0 162 0.00 Naphthalene 0 68.20 0 68 0.00 Phenol 0 98.00 0 91 0.00 r 1 1,000(total Ibs of GAC in filter) 2 x 500 lb 58,607.64 days to breakthrough Total usage # 7.75 MAY-29-88 15.45 FROM=S&ME INC SPARTANBURG ID=864 576 8730 PAGE 1/3 FAX TRANSMITTAL TO: S&ME ENVIRONMENTAL SERVICES ENGINEERING, TESTING Mary Cabe FIRM; NCDENR FAX NJ BER: 919 733-0719 LOCATION: Raleigh, NC FROM: Matt Einsmann Environmental Engineer DATE: May 29,1998 Tom: 3:45 pm RETURN FAX NUMBER: (864) 576-8730 NUMBER OF PAGES INCLUDING COVER SHEET: 3 (If you do not receive all pages, call (864) 574-2360) PROJECT NUMBER.: 1264-94-288 S&ME, Inc. 155 Tradd Street Spartanburg, SC 29301 Phone (864) 574-2360 Fax (864) 576-8730 Mary, As requested, attached find the calculations for the carbon usage rate for the permit modification for Crown Central Petroleum Corporation at their Charlotte facility. The carbon usage rates were calculated by Bamebey & Sutcliffe Corp. and are based on EPA isotherms. Do you foresee any problems with the modification request? and What time frame can we expect for the modification approval? Call me at (864) 574-2360 with any questions. Matt Einsmann NAY-26-88 15:45 FROM:S&ME INC SPARTANBURG ID:864 576 8730 YY•• . •M w I.' Mfg..L.'f 1..LO rM Page 1 of PAGE 2/ 3 LFAX COVER Subject : estimated carbon usage Pages including cover page: 1 MESSAGE Ap, icadon:50 gm benzene at 45 ppb: 16.6 IbJday toluene at 97 ppb: 12 9 IbJday ethylbenzene at 10 ppb: 5_4IhJday xylene at 89 ppb: 7.4 lb day Total estimated carbon usage for saturat o' : 42.27161day Total estimated carbon usage for nreakthiough: (42.27 x 1.25 = 53 IbJday =? (�s Date : 5/29/1998 Time : 2:41:26 PM is 4 :- L. 3 / (CIsr%/4 77,e ) MAY-29-98 1S:46 FROM:S&ME INC SPARTANBURG ID:664 576 8730 PAGE 3/3 JOE NAME S&ME a•j.J • Ckf i .o:r JOB No. /.44 ski. 2.88 SHEET NO. f % DATE 1/4 ` 8 COMPUTED BY SUEJECT -^. 4 - s I1 X -Z-, CHECKEC BY @A1. N-fPcr S.aF�:Y ?S eo P-• r lAc.z /14c 'sue �-v grin U 0 u3 /c o a../ .t(rwrvr • 0.50004s ,[4 Lea,,,, G-wq E/i O ro fir A .ar is rd-r) . C. 4t80., i%s,4af - 0.000623 i( /.j' + 0-do0937� /moo PPws4.O 5,)'S -. c) cy C (xeo� ▪ / G l/, 0 3~3s_ 333 C-4. /4, O, d)oP37,' [-d C4.¢eb,1 a 7 • C'4o.a / 6- 0009.37s- 1,000 4o C-Ate'B�-' f / 6 - 0 04 9 S is Cd-•14co.sldJ S 33, 332, 4-44. =/gy O. __ i, 0G4, 64 7 F 4 O LB SY,1- ,ya,,.4 , CAde..4a .. ..14 Ecj4 7-9 $.ti /s C r�sA•2G-re 4 . a a 0 dP ! ie rJ.t•�.t , /`rva 8 7S44 SA'S Tom,,/ C *444,i! 111Z12.s 71) 41 a If/F+r4LJ .tlre-4 0/SCkA,:G'74416. �Ot'd oc'o c)di O. i v ect• d d o L-6 S ySrr [A2.6v,r I""6'.os re) 45 G (6e.0 G��t[.444-e4, 16 / D (�o, 04 {j C_A-r.[o-S e,- 614 ;)— S&ME May 4, 1998 North Carolina Department of Environment and Natural Resources Division of Environmental Management NPDES Permits Group Post Office Box 29535 Raleigh, North Carolina 27626-0535 ATTENTION: David Goodrich RE0. E ry f f r't' n f 9r1 `7nrt-n(.:r.ilnrb permitting Reference: MODIFICATION TO NPDES PERMIT Crown Central Petroleum Corporation Charlotte Terminal 7720 Mount Holly Road Mecklenburg County Paw Creek, North Carolina NPDES Permit # NC0046531 S&ME Project No. 1264-94-288 Dear Mr. Goodrich: S&ME, Inc., on behalf of Crown Central Petroleum Corporation (Crown), herein submits a modification to the above referenced National Pollutant Discharge Elimination System (NPDES) Permit. The existing NPDES Permit is for the discharge of stormwater and washwater from the loading rack and recovered groundwater. The water is treated by an oillwater separator, an 8,000 gallon holding tank, an air stripper, and granular activated carbon filters prior to discharge to an unnamed tributary to Gum Branch. Figure 1 shows a process and implementation diagram (P&ID) of the existing treatment system. Since the groundwater pump and treat system was replaced with an air sparging system on July 30, 1997, the water treatment system has received water from the loading rack only. Crown continues to operate the treatment system outlined above for all oil/water separator effluent. We have investigated the option of removing the air stripper from the treatment stream and treating the discharge water through the activated carbon filters solely. S&ME, Inc. 155 Tradd Street, Spartanburg, South Carolina 29301, (864) 574-2360, Fax (864) 576-8730 Greenville, South Carolina, (864) 232-8987 J ;. • NPDES Permit Modification S&ME Project No. 1264-94-288 Crown Central Petroleum Corporation May 1998 On September 9, 1997, we collected a water sample from the discharge of the holding tank. This sample represents the influent characteristics to the water treatment system. A copy of the analytical report is included in Appendix A. TetraSolv, Inc. (a carbon manufacturer) estimated the carbon usage rate (6.25 E —4 pounds of carbon per gallon of water) based on the analytical results from the influent water and the existing NPDES effluent limitations. From the carbon usage rate and a safety factor of 1.5, we estimated that approximately 500,000 gallons of water could be treated by an activated carbon filtration system. The proposed carbon filtration system consists of two, 500 pound carbon vessels in series. A manufacturer's cut sheet is included in Appendix B. The new, proposed water treatment system will include an oil/water separator, an 8,000 gallon holding tank, and two granular activated carbon filters in series. Figure 2 shows a P&ID of the proposed treatment system. Per our recent conversation with Ms. Mary Cabe (North Carolina Division of Environmental Management), we understand that this proposed change constitutes a minor modification and have enclosed a check for $100.00 for the minor modification permit fee. Your expedient review of this modification and issuance of an operating permit is appreciated. Please call us at (864) 574-2360 with any questions. Sincerely, Matt Einsmann, P.E. Environmental Engineer ME/S L/ld/environ98/npdesmod.doc cc. Jim Janson Floyd Reid John Funk 2 Stanf#d Lummus, P.E. Senior Environmental Engineer CAD FILE: K: \DWG\1264\1994\94288\94288PD1.DWG RECOVERED GROUNDWATER STORMWATER ow - FROM LOADING RACK STORMWATER OIL/WATER SEPARATOR 8,000 GALLON HOLDING TANK LSH LOW PROFILE AIR STRIPPER 55-Gallon Drums (Typ) a DISCHARGE am — CARBON FILTRA4101t7. SYSTEM C> LT. rt FROM FACILITY LEGEND LEVEL SWITCH -LOW LEVEL SWITCH -HIGH au 0 SCALE: NOT TO SCALE CHECKED BY: DRAWN BY: SB DATE: 05-04-98 E P & ID - EXISTING CROWN -CHARLOTTE CHARLOTTE, NORTH CAROLINA ENVIRONMENTAL SERVICES ENGINEERING • TESTING JOB NO: 1264-94-288 FIGURE NO: 1 CAD FILE: K: \DWG\1264\1994\94288\94288PD2.DWG STORMWATER FROM LOADING RACK STORMWATER OIL/WATER SEPARATOR c 8,000 GALLON HOLDING TANK u 500 LB CARBON VESSEL 500 LB CARBON VESSEL 1 FROM FACILITY DISCHARGE SCALE: NOT TO SCALE CHECKED BY: DRAWN BY: SB DATE: 05-04-98 E ENVIRONMENTAL SERVICES ENGINEERING • TESTING P & ID - PROPOSED CROWN -CHARLOTTE CHARLOTTE, NORTH CAROLINA JOB NO: 1264-94-288 FIGURE NO: 2 SPECIXLIZED ASSAYS, INC. 2960 Foster Creighton Dr. P.O. Box 40566 Nashville, TN 37204-0566 Phone 1-615-726-0177 S & M E, INC. 6066 ATT. STANrORD LUMMUS 155 TRADD STREET SPARTANBURGG, SC 29301 Sample ID: Project: 3168 Project Name: S&ME CROWN CHARLOTTE Sampler: State Certification: 94009 Site I.D. : hiALYT I G AL R TEP R "1"- Lab Number: 97—A076535 Date Collected: 9/ 9/97 Time Collected: 11:10 Date Received: 9/10/97 Time Received: 9:00 Sample Type: Water Analyte 1t11RGA1OEC PARA1iETERSr Benzene Toluene Ethylbenzene Xylenes, total Result Report 0uan Dil Units Unit Unit Factor Date Tine 45.0 97.0 0 89.0 HD = Rot detected at the report linit. ug/1 ug/1 ug/1 ug/1 1.0 1.0 1 LO 1.0 1 1.0 1.0 1 1.0 1.0 1 9/11/97 17:56 9/14/97 17:56 9/14/97 17:56 9/14/97 17:56 Analyst Method batch J.Mitchell 602 J.iiitchell SO2 J. li i to hell 602 J.Mitchell 602 4443 4443 4443 4443 Surrogate AA SURROGATE RECOVERIES Kh '/, Recovery Target Range DTEX/CR0 Surr., a,a,a-trifluorotoluene 93. 50. - 150. Report Approved By: /vtu t Q,nn,wv Report Date: Theodore •J. Duelio, Ph.D. , D. A. Officer Michael H. Dunn, M.S. , Technical Director Danny B. Hale, M.S. , Laboratory Director SEA 2 2 1997 9/18/97 SPECIALIZED ASSAYS, INC. 2960 Foster Creighton Dr. P.O. Box 40566 Nashville, TN 37204-0566 Phone 1-615-726-0177 & M E, INC. 6066 ATI'. STANFORD LUMMUS 155 TRADD STREET SPARTANBURG, SC 29301 I`.I'Pr L.YT I C AL R 1EP QR T Lab Number : 97—A076536 Sample ID: TRIP BLANK, Date Collected: Project: 316e Time Collected: Project Name: S&ME CROWN CHARLOTTE Date Received: 9/10/97 Sampler: Time Received: 9:00 State Certification: 8400E Sample Type: Water Site I. D. : Report Pun Dil Analyse Result Units Limit Limit factor Date Time Analyst Method hatch *ORGANIC PARAMETERS* Benzene ND ug/1 1.0 1.0 1 9/13/97 20:30 S. Wani 602 4921 Toluene ND ug/1 1.0 1.0 1 9/13/97 20:30 S. Wani 602 4921 Ethylbenzene ND ug/1 1.0 1.0 1 9/13/97 20:30 S. Wani 602 4921 Xylenes, total ND ug/1 1.0 1.0 1 9/13/97 20:30 S. Mani 602 4921 ND = Not detected at the report limit. Surrogate ** SURROGATE RECOVERIES Mx X Recovery Target Range BTEX/6RO Surr., a,a,a-trifluorotoluene 96. 50. - 150. Report Approved By: n LL / Report Date: 9/18/97 Theodore J. Duello, Ph. D. , Q. A. Officer Michael H. Dunn, M. S. , Technical Director Danny B. Hale, N. S. , Laboratory Director • SPECIALIZED ASSAYS, INC. 2960 Foster Creighton Dr. P. O. Box 40566 Nashville, TN 37204-0566 Phone 1-615-726-0177 S & M E, INC. 6066 ATT. STANFORD LUMMUS 155`'TRADD STREET SPARTANBURG , SC 29301 CHA I I OF �CUSTUL}'Y Project Number: 3 r 6 g Sampler: I Analysis Requested I Project Name: el_a� \ a�p�� SAE Quote: F J Lab No. Field Number Date Time Matrix 6rab Como Bottles II lq ill 97-A076536 7(l2 Mire\ Relin uishe rg lIciTi Received by: D/T g(4 Relinquished by: D/T Received by. • D/T Relinquished by: D/T Received by: D/T Relinquished by: D/T Received by: D/T Cooler Temperature When Recevied: J� U Laboratory Project Number: Cooler Seals Intact? Fed—X Air Bill Number: SPECIAL INSTRUCTIONS: