SEMS-RM DOCID # 100019082
EMERGENCY RESPONSE COMMUNICATION PLAN
MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
I. MINE SITE INFORMATION Mine Name: New Idria Mercury Mine Address: New Idria Rd City: Idria, CA I County: San Benito I State: CA I Zip: 95043 Assessor's Parcel No. Latitude: Longitude: 029-310-003, 029-310-016, 029-310-017, ... 36°24'57.62"N 120°40'23.33"W
II. EMERGENCY CONTACT FOR MINE SITE Name: Bianca Handley I Title: RPM Organization Name: US Environmental Protection Agency (EPA) Street Address: 75 Hawthorne Ave City: San Francisco I County: I State: CA I Zip: 94105 Telephone Nos. 415-972-3023, 415-470-6036 Email Address: [email protected]
Name: On-Scene Coordinator On Duty I Title: OSC Organization Name: US Environmental Protection Agency (EPA) Street Address: 75 Hawthorne Ave City: San Francisco I County: I State: CA I Zip: 94105 Telephone Nos. (800) 300-2193
III. REGULATORY STATUS: The site was placed on the National Priorities List (NPL) by EPA in September 2011. EPA issued a special notice letter to Buckhorn Inc. in September 2015. The site is also listed in the State Water Resources Control Board (SWRCB) GeoTracker database under Futures Foundation (L10006522328) as a land disposal site, Case #5D352001H01. Potentially Responsible Party: Buckhorn Inc. Contact Person Name: Doug Christoff Organization Name: Meyers Inc. Telephone No. 330-761-6357 Cell Phone: 330-631-2512
IV. LOCAL AGENCY EMERGENCY CONTACTS
Agency Name: San Benito County Office of Emergency Services Contact Person Name: Kris Mangano Title: Emergency Services Manager I Street Address: 471 4th St City: Hollister I County: San Benito I State: CA I Zip: 95023 Telephone No. 831-636-4168 I Cell Phone: 831-540-8942
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
Agency Name: Hollister Fire Contact Person Name:Charlie Bedolla Title:Battalion Chief/Deputy Fire Marshal Telephone No. 831-636-4325; Email Address: 831-801-5438 (cell) [email protected] Agency Name: Cal Fire – Antelope Station Contact Person Name: I Title: Captain Street Address: 20400 Panoche Rd. City: Paicines I County: San Benito I State:CA I Zip: 95043 Telephone No. 831-628-3269 I Dispatch:
V. MINE SITE INFORMATION a. Description of current land use activities at the Mine Site:
No current land uses at the site, there is evidence that some recreational users dirt bike on and around the site without permission.
b. Describe the telephone service at mine site (land-line, cell phone coverage, cell phone booster station), including where the location of any land lines or location of cell phone coverage.
No reception at or near site. There is spotty reception uphill from adit 10 if you keep driving up the road towards camp 2 pit. In order to get consistent cell phone reception, you must drive back down New Idria Rd to Panoche to reach reception. (See VIII)
c. Description of Mine Site features that could pose a threat to the environment:
• Known acid mine drainage (AMD) from Adit 10. • Very significant tailings/calcine/waste rock piles throughout site contain elevated metals concentrations, particularly mercury. • Surface water at and near site is acidic and contaminated with mercury and other metals.
d. Description of site access constraints:
High clearance, 4WD vehicle recommended. Parts of the site are protected by chain link fencing with locked gates.
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
e. Description of potential hazards for first responders: Investigations into the extent of contamination are not complete but work completed up to this point show widespread mercury contamination at this site. Use caution. • Structures have not been maintained and are not structurally sound. Do Not Enter. • Large tailings/calcine/waste rock piles cover site. Assume all soil contacted contains mercury unless sampling demonstrates otherwise. See XIII:Photos • Furnace and vent stack from the furnace are known to be a source of airborne mercury. Monitoring equipment such as a mercury vapor meter must be used if working within the fence line in the vicinity of these locations. • Surface water at and near site is contaminated with mercury and other metals. Do not use or drink water unless sampled and approved. Not an appropriate source of firefighting water due to low pH and high levels of contaminants
f. List of chemicals currently used at the Mine Site, including storage location:
Lime. Located in the settlement pond.
g. List of hazardous wastes currently at the Mine Site, including storage location:
Mercury (Calcine Tailings, Surface Water, Sediments, Air) Highest Measured Concentration: 446 mg/kg (Calcine Tailings) 11.2 µg/L (AMD/Surface Water) 41.3 mg/kg (AMD Sediment) Mercury Vapor PEL: 0.025 mg/m3 (ACGIH)
Acid Mine Drainage (pH<3)
h. List of explosives, fuels, and flammables currently at the Mine Site, including storage location:
N/A
i. List of critical Mine Site structures susceptible to fire:
All mine related buildings are abandoned and susceptible to fire. Contents are unknown. See attachment XII: Mine Site Detail for approximate building locations.
j. List of equipment available (on-site or nearby) during an emergency:
None.
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
VI. EXISTING & POTENTIAL DISCHARGES AND SURFACE WATER FEATURES (attach additional pages if needed) Description of existing and potential discharges to water from the Mine Site. Description of downstream surface water bodies that could be affected by these discharges.
AMD from adit 10 is discharging into a limestone filled settlement pond and discharges from the pond into the San Carlos Creek. It is unknown at this time which downstream water bodies are affected by these discharges.
VII. KNOWN DOWNSTREAM DOMESTIC WATER USERS WITHIN ONE MILE OF MINE SITE None known. Local residents have alternative water supplies.
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
VIII. SITE LOCATION Los Sanos ® Dos Palos Y @ lrn:i 111n
Dairylarn:i ® MaderaAcres
@) Brito Dos Palos Bonadelle San Felipe Ranchos•Madera Madera Ranchos Sumner Dunnevilte @) Parkwood @@
Hamburg @) @~ Farms ® nJuan Hollister Firebaugh autista Herndon Ridgemark Highway City Biota TresPinos Muscatel Arbios
Wood Rarw::h Mendota Fresno Paicines La Jolla Ranch @ Kerman MerceyHot Jamesan Spnag, @)
Chaney Ranch Murietta Farm Tranquillrty Easton
Levis Uanada San Joaquin Panache Raisin City
Chualar @)
Penvir ® Caruthers Pinnacles Helm Goozales San Benito Pinnacles Cantua Creek @) Burrel National Park
Campt!Ofa @) Five Points Lanare Riverdale Soledad ldria Fort Romie Harlem Westside H,b Bitterwater
Metz Halls Comer Greenfield @) Lomoo<• Lonoak ij Millers Ranch @ '""""''Station SIIJara Elsa prings @) Westhaven King City @) ® Huroo Str111f0fd T,~ Pfeiffer 81g urStatePark Coalinga San Li.,cas ® Murray ij Location of Site relative to Hollister and Fresno (above) and relative to Panoche (below). .,,,_
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
IX. SITE LOCATION MAP WITH PARCELS
New ldria Mercury Mine Superfundl Site Parcel Boundaries _ PA 0 .. San Benito County, California ~ ...... ,,. c I) 6.1 2!i 1)2!i (As of 01/26116) !SfDIS:ZD!I I rw:.. m, lr::1 1:1
New Idria Mercury Mine
029-310-007 ..
APN 029-310-015
-310-014
,.,...,_o,.,
I.J MUINI~'\ Newldna . Men:ury Mine Site '! ·~
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
X. MINE SITE DETAIL
Calcine Piles
Furnace and Furnace Vent Stack
AMD Settling Pond
Waste Rock
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
XI. PHOTOS OF SITE
Photo 1: Photo at the exit of the settlement pond showing mine impacted water and a waste rock pile
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MINE SITE NAME: New Idria Mercury Mine Updated: August 2018
Photo 2: Photo looking north towards the site from New Idria Rd when approaching the town. The red color along with the location of these rocks implies they are calcines (burnt ore rock) which are contaminated with mercury.
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