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HomeMy WebLinkAboutNC0000795_Permit Modification_20051114NPDES DOCUHENT :SCANNING COVER SHEET NPDES Permit: NC0000795 Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Permit History Document Date: November 14, 2005 This document la printed on reuse paper - ignore any content on the re'erse aide Michael F. Easley Governor William G. Ross, Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E., Director Division of Water Quality November 14, 2005 Mr. Matthew E. Marra Kinder Morgan Southeast Terminals LLC 1435 Windward Concourse Alpharetta, Ga 30005 Subject: Modification of Permit No. NC0000795 Kinder Morgan Southeast Terminals LLC Guilford County Dear Mr. Marra: The Division of Water Quality has reviewed your request for modification of the subject permit by deletion of the phenols limit of 0.003 lbs/day. The existing permit for the Kinder Morgan SE Terminal facility was effective February 2002 and a twelve- month schedule was given for compliance with the phenols limit. A permit effluent page notation indicated that removal of the limit could be requested upon submission of a minimum of twelve datapoints for a reasonable potential analysis. The practical quantitation limit for phenol was to be determined by the facility by contacting a North Carolina certified laboratory. A review of the discharge monitoring reports submitted to the Division of Water Quality provided the data used in the updated reasonable potential analysis. It was determined that since March 2003, the facility has reported twelve values for phenol below the detection level. Based on this information, we will recommend deletion of the monthly limit of 0.003 lbs/day for phenols. Phenol must continue to be monitored monthly or whenever the facility discharges, however a limit is no longer applicable. The continuation of monitoring is based on the Division of Water Quality's guidance for Petroleum Bulk Storage Facilities and the protection of the receiving stream's water supply classification. No other changes to the permit have been made. Please find enclosed the revised page, which should be inserted into your permit. The old page may then be discarded. All other terms and conditions contained in the original permit remain unchanged and in full effect. This permit modification is issued under 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. N. C. Division of Water Quality / NPDES Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 Internet: h2o.enr.state.nc.us Phone: (919) 733-5083 fax: (919) 733-0719 DENR Customer Service Center..1800 623-7748 Letter to Mr. Marra Page 2 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 a written petition conforming to Chapter 150B of the North Carolina General Statutes, filed with the Office of Administrative Hearings (6714 Mail Service Center, Raleigh, North Carolina 27699-6714). Unless such demand is made, this decision shall be final and binding. If you have any questions concerning this permit modification, please contact Jackie Nowell of the NPDES Unit at (919) 733- 5083, extension 512. Sincerely, fa, Alan W. Klimek, P.E. Attachment cc: Winston Salem Regional Office/Attn: Steve Tedder NPDES Permit File Central Files Permit NC0000795 A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from Outfall 001. Such discharges shall be limited and monitored by the Permittee as specified below: EFFLUENT; _ _ CHr. FA.ACTERISTIC_ r _ S :. = f ?= :'. MONITING=REQUIREMENTS `_ OR ', °LIIVIIT MonthlAvraga _ y �tu, ; M-aDil um �,g__.,� e'rasuremen equency.. p e .2Typ _ -me "oi', _ catoi_. ,Flows Episodic 1 Effluent Total Suspended Solids 45.0 mg/L Monthly Grab Effluent 'Oil and Grease2 Monthly Grab Effluent (Phenol Monthly Grab Effluent yenzene Monthly Grab Effluent 'oluene Monthly Grab Effluent thyl Benzene Monthly Grab Effluent Xylene Monthly Grab Effluent EPA 625 2/Year Grab Effluent MTBE3 Monthly Grab Effluent Acute Toxicity4 Annually Grab Effluent Footnotes: 1. Flow — During periods of no flow, the Permittee shall submit a monthly Discharge Monitoring Report (DMR) indicating "No discharge." Flow shall be monitored with each discharge event and may be monitored in one of four ways: a) measure flow continuously; b) Rational Method -- calculate flow based on total rainfall per area including built -on area draining to the outfall (shall not be used at sites with large runoff -collection ponds); c) estimate flow at 20-minute intervals during the entire discharge event; or d) report flow based on discharge pump logs. 2. Oil and Grease — Where possible, the grab sample for oil and grease should be skimmed from the surface of a quiescent (calm water) zone. 3. MTBE — See Part A.(2.) for other requirements relating to MTBE 4. Acute Toxicity (Fathead Minnow, 24-hour), annually [see Special Condition A.(3.)]. Units: mg/L = milligrams per liter µg/1 = micrograms per liter lbs./day = pounds per day MTBE = methyl tertiary butyl ether The permittee shall discharge no floating solids or foam visible in other than trace amounts. The permittee shall not discharge tank solids, tank bottom water, or the tank rag layer. The permittee shall not discharge tank (or pipe) contents following hydrostatic testing unless benzene concentration is less than 1.19 µg/L and toluene concentration is less than 11 µg/L. REASONABLE POTENTIAL ANALYSIS Kinder Morgan < NC0000795 > Time Period 3/2003-7/2005 Ow (MGD) 0.242 7Q 10S (cfs) 0 7Q10W (cfs) 0 3002 (cfs) 0 Avg. Stream Flow, QA (cfs) 0 Rec'ving Stream UT East Fork Deep River WWTP Class 1 IWC (%) 0 7010S 100 ® 7Q 10W 100 @ 3002 100 QA 100 Stream Class WS-IV Outfall 001 Ow = 0.242 MGD TYPE (1) STANDARDS & CRITERIA (2) PCL Units REASONABLE POTENTIAL RESULTS RECOMMENDED ACTION PARAMETER NCWQS/ !SPAY/ Punk Acute n IDeL Max ProdCw Mom* Phenols A ug/L 15 0 6.9 ute: N/A _ _- _-_ Chronic. 1.0 _ _ _ ___ ___-_-_ _-_- _ All 15 values below detection. Recommend removal of limit, Review atlocatiom of phenols to other 8 bulk storage plants, 1 N I)I. • Legend: C = Carcinogenic NC = Non -carcinogenic A = Aesthetic " Freshwater Discharge ti��rY+�irhq� � Its erg ,,9,,i s . 795phenolrpa2005, rpa 11/9/2005 REASONABLE POTENTIAL ANALYSIS 12 13 Phenols Date Data BDL=1/2DL Results 1 Jul-2005 < 10 5.0 Std Dev. 0.8797 2 Apr-2005 < 5 2.5 Mean 4.6667 3 Feb-2005 < 5 2.5 C.V. 0.1885 4 Dec-2004 < 10 5.0 n 15 5 Oct-2004 < 10 5.0 6 Sep-2004 < 10 5.0 Mult Factor = 1.3700 7 Jul-2004 < 10 5.0 Max. Value 5.0 ug/L 8 Mar-2004 < 10 5.0 Max. Pred Cw 6.9 ug/L 9 Dec-2003 < 10 5.0 10 Sep-2003 < 10 5.0 11 Aug-2003 < 10 5.0 12 Jun-2003 < 10 5.0 13 May-2003 < 10 5.0 14 Mar-2003 < 10 5.0 15 Apr-2003 < 10 5.0 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 795phenolrpa2005, data - 1 - 11/9/2005 Kinder Morgan Phenols Data Date Phenols Flow JuI-05 <10 ug/I 0.239 Apr-05 <5 ug/I 0.178 Feb-05 <5 ug/I 0.129 Sep-04 <10 ug/I 0.264 Oct-04 <10 u g/I 0.131 Dec-04 <10 ug/I 0.191 JuI-04 <10 ug/I 0.193 Mar-04 <10 ug/I 0.233 Dec-03 <10 ug/I 0.279 Sep-03 <10 ug/I 0.357 Aug-03 <10 ug/I 0.268 Jun-03 <10 ug/I 0.400 Apr-03 <10 u g/I 0.229 Mar-03 <12.3 ug/I 0.299 Average 0.242 . (oft\ ,....., 4;„.(4, /41,1„ sg- -5...,:a, ./TA.,4,0,, yr aye t/tc. )0,4 A/4, A)s- ii/ en 5-(4) B?ot O S Gy�re..00e- "1/4,...,4. & f l99/ -'� o o W /,A( lilt per. to; e%$Kgf =� s,",Z b/e 1 4 AV c. Il + fli 0 / MI Mir-- ekift'i - Atte114%-ictifi </ 74.es-- ge-nAt li.�.J6' i,�9 19p6 — Narl F c-- ru. fih. s�,�� 14*4071,..fli- 2/2enL ,�i..-.T, 7_,„. 7b ii-t,A, ✓u"v�F ------t Ci Of C ''' - / '-'' of,e #1.0 ehhar *r--- Oe 6 .4. r_ /..? l 2/20 * / /c./4 r/ - /7^,-...6 :_- (3, cos ow ittrai fa.,"441,- /i,i, t- A71,,,)`t 4,„4, O, 003 AJ/i Y ttaiitw^=o liw l Stell F✓.wg/ Vrr, 044t-.l?� < o, tto 9 /4/I/ P/If4ra. 204 Pam.:✓ 4157 o,odo9.1/1 = 9,7Y , o.17 ' Deo&06 vfee 7m1/'4r4M' /. fZ vo/ .2/,IZOOZ NPDE Permitting Requirements for Petroleum Bulk -Storage Surface Storage Greater than One Million Gallons 2005 -- Permitting Strategy Introduction / Background North Carolina's Division of Water Quality issues individual, point -source NPDES permits for stormwater to all vehicle -fuel and petroleum terminals with aboveground storage capacities exceeding one million gallons. Storages exceeding this volume are specifically excluded from Stormwater General Permit NCG080000, and therefore require a point -source discharge permit. This document is intended to update the 2001 strategy for up -coming permit cycles. (For a history of this permitting strategy, see the Division's 2001 Permitting Strategy: Permit Requirements for Discharges from Oil and Petroleum Storage Facilities, version. 30Jul2001.) Bulk -storage facilities typically retain and manage stormwater behind secondary -containment dikes. Diked areas are designed with sufficient volume to confine product in the event of a tank failure. Stormwater, often comprising several storm events, is held behind these dikes in proximity to the tanks and appurtenant piping. The permittee typically holds this stormwater for controlled release. Permitting Requirements 1. Flow -- Discharge Rate and Duration Instructions to Permit Writer: Establish average and maximum flows for the previous cycle for the purpose of calculating limits for various parameters of concern. These should be noted in the Fact Sheet. Stormwater flow in bulk -storage permits in limited. Flow measurements are required, however, and methods shall reflect a typical controlled release discharge event. Flow shall be monitored, reported, and recorded using one of four approved methods. The following instructions shall appear as a footnote in permit section A.(1.) Effluent Limits and Monitoring Conditions: "Flow shall be monitored with each discharge event — During periods of no flow, the Permittee shall submit a signed, monthly Discharge Monitoring Report (DMR) indicating "No discharge." Flow may be monitored using any one of four methods: a) measure flow continuously; b) calculate flow (see Rational Equation below) based on total rainfall per unit area draining to the outfall; exclude built -upon areas (best method for facilities with large runoff -collection ponds); c) estimate flow at 20-minute intervals during the entire discharge event; or d) report flow based on discharge pump logs." Page 1 of 6 Version 27JuI 2005 %41"11 i4141 NPDED Permitting Requirements for Petroleum Bulk -Storage Surface Storage Greater than One Million Gallons 2005 -- Permitting Strategy The Rational Equation: Q=KuCIA, where: Q = flow (peak flow rate (cfs or m3/sec) Ku = units conversation factor = 1.008 for U.S. standard units (usually ignored because it is so close to 1), or 0.278 for SI units C = dimensionless runoff coefficient for the watershed, loosely defined as the ratio of runoff to rainfall I = intensity of rainfall taken from the intensity -duration -frequency curves for the specified design return period at the time of concentration tc, (in/h or mm/h) tc = time of concentration - time after the beginning of rainfall excess when all portions of the drainage basin are contributing simultaneously to flow at the outlet A = area of tributary watershed (acres or km2) The rational equation is used to calculate the runoff from a region, given: • the runoff coefficient which accounts for infiltration and other potential losses in the region, • the rainfall intensity to the region, • the time it takes for runoff to travel from the region's upper reaches to its outlet, and • the region's drainage area. 2. Acute Toxicity. Instructions to Permit Writer: Evaluate compliance to toxicity. Replace toxicity test, if different from 24-hr definitive, LC-50>100% (TAE6C); consider the following text for cover letter, as appropriate. [Toxicity test methods have changed from your previous permit.] All Permittees shall monitor for Acute Toxicity [Fathead Minnow (Pimephales promelas), 24-hr definitive (LC-50>100%)], at a minimum, annually, but some facilities may not qualify. During the forthcoming permit cycle, Permittees that fail to qualify for annual monitoring must test quarterly. These include: • New facilities that have never monitored for acute toxicity, • Facilities that monitored four or fewer discharge events for toxicity, or • Facilities that monitored five or more discharge events, but did not "pass" the five most recent, or did not produce LC-50 >100% in the most recent five tests. To restate, a permittee's five most recent toxicity tests must document "pass" or LC-50 > 100% to qualify for annual monitoring. Qualified Permittees may apply to the Division to modify their permit. Rationale: Acute toxicity testing (as opposed to chronic testing) is deemed appropriate to evaluate the end -of -pipe immediate impact of short-term, episodic discharges. All Permit Effluent Limitations and Monitoring Conditions shall include the following footnote: Page 2 of 6 Version 27JuI 2005 NPDE0 Permitting Requirements for Petroleum Bulk -Storage Surface Storage Greater than One Million Gallons 2005 -- Permitting Strategy "The Permittee shall collect samples concurrently for Acute Toxicity and BTEX." [Reference item 4. below] : 3. Total Suspended Solids (TSS) / Oil and Grease Instructions to Permit Writer: Oil and Grease - Monitor monthly - No Limit Instructions to Permit Writer: TSS - Monitor monthly; Daily Maximum Limit, 45.0 mg/l. Monitoring Footnote: "Where possible, the grab sample for Oil and Grease should be skimmed from the water surface of a quiescent (calm water) zone." Rationale: A daily maximum TSS limit of 45 mg/L is recommended as a minimum stormwater management practice. Although historically, TSS and Oil and Grease have not been significant problems in oil -terminal stormwater discharges. TSS and Oil and Grease are deemed good general indicators of effluent stormwater quality for these facilities. 4. BTEX Instructions to Permit Writer: Monitor monthly — No Limit. If data indicate RP, add limit and monitor monthly. Rationale: Benzene, toluene, ethylbenzene and xylene (BTEX) are common toxicants found in fuel petroleum. Previous scans for volatile and semi -volatile compounds included BTEX (methods EPA 624/625). A review of these scans revealed BTEX frequently in stormwater, while other 624/625 parameters were uncommon or never detected. Therefore, future permits shall require BTEX monitoring for lighter fuels and naphthalene for diesel fuel (see 6.). 5. Naphthalene (for Diesel) Instructions to Permit Writer: Monitor monthly — No limit Rationale: Naphthalene is commonly found in heavier fuels, such as fuel oil or diesel. Most bulk - terminals store heavier fuels. (NOTE: If the permittee can demonstrate to the Division that its facility does not now, nor has ever, stored diesel fuel or other heavy fuels, it may petition to remove this requirement from the permit.) Page 3 of 6 Version 27JuI 2005 NPDE, Permitting Requirements for Petroleum Bulk -Storage Surface Storage Greater than One Million Gallons 2005 -- Permitting Strategy 6. EPA Methods 624/625 (as applicable) Instructions to Permit Writer: Conduct RPA on parameter "hits," but only those with NC stream standards and /or federal criteria*. • if RP, monitor monthly and add permit limit. • if detected (but no RP), Monitor semi-annually. • if no parameters detected other than BTEX, delete 624/625 from permit. Rational: This strategy serves to resolve previous investigations into the need to conduct EPA screening by test Methods 624/625. For Permittees assigned to conduct volatile and semi -volatile scans who did not comply with the permit, assessment will be considered. RPA will be restricted to parameters of concern (POC) with North Carolina State water quality standards and federal criteria. *NOTE: the Permit Writer shall use aquatic life or Human Health standards as appropriate. 7. Tank Solids, Tank Bottom Water, and Rag Layer Instructions to Permit Writer: Keep the footnote: "Direct discharge of tank solids, tank bottom water, or the rag layer is not permitted." Rationale: Tank -bottom sediments accumulate over 4-5 years (typically V2- to 1-inch thick) and invasive rainwater (1-6 inches thick) regularly settles to the bottom of any bulk -storage container. These layers typically mix at the interface with overlying fuel to form a 3/4-inch-thick foamy waste called a "rag layer." Because of the relatively high levels of hydrocarbon compounds contained in these three wastes layers, their untreated discharge is not permitted. 8. Hydrostatic Tank Testing Instructions to Permit Writer: Keep the footnote: The permittee shall not discharge tank solids, tank bottom water, or the tank rag layer. The permittee shall not discharge tank (or pipe) contents following hydrostatic testing unless benzene concentration is less than 1.19 µg/L and toluene concentration is less than 11 pg/L. Rationale: As routine container maintenance, bulk -storage Permittees typically conduct hydrostatic tank testing every five to six years. Prior to testing, the Permittee empties the tank of product, and properly disposes of tank -bottom wastes (see 7. above). Tanks are cleaned, coated, and welded (as Page 4 of 6 Version 27JuI 2005 i11Qi1 r"'• NPDE.. Permitting Requirements for Petroleum Bulk -Storage Surface Storage Greater than One Million Gallons 2005 -- Permitting Strategy necessary), then refilled with water for hydrostatic pressure testing. Some facilities use stream or lake water, while others use potable city water. Testing water is then drained from the tank. Because this test -water may contain hydrocarbons or other toxicants, the Permittee shall sample and analyze this waste prior to direct discharge. Should benzene, toluene, and/or other parameter levels exceed their respective water quality standard, direct discharge of this waste is not permitted. Permitting Special Considerations 9. Methyl Tertiary Butyl Ether (MTBE) in Water Supply (WS) Waters Instructions to Permit Writer: Continue monitoring monthly in all permits. If no hits, consider lowering monitoring frequency to quarterly. Document database in Fact Sheet. Rationale: In 2001, the EPA tagged MTBE as a potential human carcinogen. North Carolina responded to EPA's ongoing evaluations of this "anti -knock" additive by implementing efforts to limit MTBE in discharges to water supply (WS) waters. Although North Carolina has not yet adopted a water quality standard for MTBE, monitoring of this potential human health risk will continue in order to provide data for future evaluation. 10. Benzene in Water Supply (WS) Waters Instructions to Permit Writer: Monitor: monthly. Evaluate RP using Human Health Standard 1.19 /rglL • If RP, add limit: Daily Max -1.19 /rglL (allow dilution using "annual average" flow) • If no RP, delete limit; continue monitoring monthly. Rationale: Benzene is identified as a human carcinogen and therefore poses potential health risk to drinking water. Therefore, a limit of 1.19 pg/L (Water Quality Standard) shall apply to all WS- classified waters. The Division shall consider dilution i.e., multiply this standard time dilution under "average annual flow" conditions to calculate the permit limit. If the permittee discharges under "zero - flow" conditions, the standard shall become the permit limit. Page 5 of 6 Version 27JuI 2005 NPDE,, Permitting Requirements for Petroleum Bulk -Storage Surface Storage Greater than One Million Gallons 200E -- Permitting Strategy 11. Phenol in Water Supply (WS) Waters Instructions to Permit Writer: Monitor: monthly. Evaluate "drainage -specific" RP. * See attached revised guidance calculations for the Paw Creek area (total: 8 dischargers), Memorandum from Joe Corporon, July 27, 2005. • If RP, add limit: Daily Maximum distributed equally among all outfalls showing RP. • If no RP, delete limit (as appropriate); continue monitoring monthly. The Division shall determine permit limits by "reasonable potential" based on a NC State standard for chlorinated phenolic compounds of 1 µg/L. The Division shall evaluate each permittee's "reasonable potential" using drainage -specific calculations for allowable phenol loading. This strategy dates from the 1980s [see Division memos for Guilford County (1983); updated calculations governing dischargers to the Catawba River Basin (2001) and Cape Fear River Basin (2003)]. Rationale: Discharges from fuel hydrocarbon bulk -storage facilities have a potential to contain phenol, based on previous data statewide. Phenol, when combined with chlorine, forms chlorinated phenolic compounds with potential to taint fish tissue and drinking water, thus degrading taste and odor (organoleptic issues). As a result, permittees with discharges to WS waters shall monitor' effluent phenol on a monthly basis. 12. Turbidity Monitoring Instructions to Permit Writer: • if detected, Monitor Quarterly • if not detected, delete from permit. • If RP exists (based on 50 NTU) - add limit and Monthly monitoring. 0+1 Rationale: EPA questioned the potential of these facilities to violate stream standards because little data were available. Sufficient data now exists to evaluate "reasonable potential" for a facility to exceed 50 NTU. The Permit writer shall use the entire permit cycle database (for those monitoring quarterly), and the most recent two years of data (for those monitoring monthly). For all facilities, the following shall appear on the Effluent Limitations and Monitoring page as a footnote: "Turbidity — Effluent shall not cause receiving stream turbidity to exceed 50 NTU. If receiving stream background turbidity exceeds 50 NTU, effluent shall not cause this background value to increase." Page 6 of 6 Version 27JuI 2005 KINDER --MORGAN SOUTHEAST TERMINALS June 20th, 2005 VIA CERTIFIED MAIURRR Mr. Alan W. Klimek, "E., Director NCDENR Division of W.. er Quality 1617 Mail ' ervice Center Raleigr, NC 27699-1617 RE: Kinder Morgan Southeast Terminals LLC (KMST) 6907 W. Market Street Greensboro, NC 27419 NPDES Permit Number: NC 0000795 Dear Mr. Klimek: LLC. Pursuant to Note 3, Part A (1) of the above -referenced permit, I am writing to request that the sampling requirement for phenol and its associated limit of 0.0003 Ibs/day be deleted from the permit. I have enclosed a substantial amount of information demonstrating that phenol has not been detected in the facility's effluent. I have also enclosed a letter dated September 10, 2003 from ExxonMobil (the prior owner of the facility) to the Division of Water Quality that further supports the absence of phenol in the facility's effluent. If you require any additional information in support of this request or have any questions, please do not hesitate to contact me at (770) 751-4160. I look forward to working with the Division of Water Quality on this matter. incerely, ' Matthew E. Marra Senior Engineer cc: Jerry Aycock/KMST Files Barry Furr Cliff McCowan Jeff Neal Enclosure c;... �::. _w �' ass='• `3ri� se N w+at Ma4.�, f J U N 2 7 2005 DENR - WATER QUALITY POINT SOURCE BRANCH 1435 Windward Concourse, Alpharetta, GA 30005 770-751-4000 770-751-4230 - Fax 9/03 10/03 11/03 12/03 1/04 2/04 3/04 4/04 5/04 6/04 7/04 8/04 9/04 10/04 11/04 12/04 Non -Detect No Discharge No Discharge Non -Detect No Discharge No Discharge Non -Detect No Discharge No Discharge No Discharge BQL <0.0019 lbs. No Discharge BQL <10.0 Ug/I BQL <10.0 Ug/I No Discharge BQL <10.0 Ug/I 1/05 No Discharge 2/05 BQL <10.0 Ug/I 3/05 No Discharge 4/05 BQL <0.0009 lbs. 5/05 No Discharge dorry Historical Phenol Results Kinder Morgan Southeast Terminals LLC Greensboro Terminal 6907 W. Market Street Greensboro, NC 27419 NPDES Permit Number NC0000795 Phenol EPA 625 Phenol EPA 625 Phenol EPA 625 Phenol EPA 625 (Starts Research & Analytical Sampling/Testing) Phenol EPA 625 Phenol EPA 625 Phenol EPA 625 Phenol EPA 625 Phenols/Parameter #34694 ?log' No DI'I,v- ifror eisawyttrify a9 ex i37 !4160