#
# File created on 2024-05-15 20:50:16 EDT
#
# U.S. Geological Survey
# 
# This file contains selected water-quality data for stations in the National Water 
# Information System water-quality database.  Explanation of codes found in this file are 
# followed by the retrieved data. 
#
# The data you have secured from the USGS NWISWeb database may include data that have 
# not received Director's approval and as such are provisional and subject to revision. 
# The data are released on the condition that neither the USGS nor the United States 
# Government may be held liable for any damages resulting from its authorized or 
# unauthorized use.
#
# To view additional data-quality attributes, output the results using these options:  
# one result per row, expanded attributes.  Additional precautions are at:
# https://help.waterdata.usgs.gov/tutorials/water-quality-data/help-using-the-water-quality-data-retrieval-system#Data_retrievals_precautions
#
#  agency_cd                  - Agency Code
#  site_no                    - USGS site number
#  sample_dt                  - Begin date
#  sample_tm                  - Begin time
#  sample_end_dt              - End date
#  sample_end_tm              - End time
#  sample_start_time_datum_cd - Time datum
#  tm_datum_rlbty_cd          - Time datum reliability code
#  coll_ent_cd                - Agency Collecting Sample Code
#  medium_cd                  - Sample Medium Code
#  tu_id                      - Taxonomic unit code
#  body_part_id               - Body part code
#  parm_cd                    - Parameter code
#  remark_cd                  - Remark code
#  result_va                  - Parameter value
#  val_qual_tx                - Result value qualifier code
#  meth_cd                    - Method code
#  dqi_cd                     - Data-quality indicator code
#  rpt_lev_va                 - Reporting level
#  rpt_lev_cd                 - Reporting level type
#  lab_std_va                 - Lab standard deviation
#  anl_ent_cd                 - Analyzing entity code
#
# The following parameters are included:
#  39507  - Aroclor 1254, bed sediment, recoverable, dry weight, micrograms per kilogram
#  39511  - Aroclor 1260, bed sediment, recoverable, dry weight, micrograms per kilogram
#  39516  - PCBs, water, unfiltered, recoverable, micrograms per liter
#  46343  - Aroclor 1016 plus Aroclor 1242, bed sediment, recoverable, dry weight, micrograms per kilogram
#  49354  - PCBs, biota, whole organism, recoverable, wet weight, micrograms per kilogram
#  49459  - PCBs, bed sediment smaller than 2 millimeters, wet sieved (native water), field, recoverable, dry weight, micrograms per kilogram
#
# Description of sample_start_time_datum_cd:
# EST  - Eastern Standard Time
# EDT  - Eastern Daylight Time
#
# Description of tm_datum_rlbty_cd:
# K  - Known
# T  - Transferred
#
# Description of coll_ent_cd and anl_ent_cd:
# USGS-WRD  - U.S. Geological Survey-Water Resources Discipline
# USGSNWQL  - USGS-National Water Quality Lab, Denver, CO
#
# Description of medium_cd:
# BA  - Animal tissue
# SB  - Bottom material
# WS  - Surface water
#
# Description of tu_id:
# https://www.itis.gov/
#
# Description of body_part_id:
# 59  - Organism, whole
#
# Description of remark_cd:
# <  - Less than
#
# Description of val_qual_tx:
#
# Description of meth_cd:
# GCE12  - Pest, organochlorine,PCBs,GC-ECD
# GCE13  - Pest, oc, PCB, bs, lab, GC-ECD
# GCE15  - Organochlorines &PCBs,GPC GC-ECD
# GCE18  - Pest, oc, tis, lab, GC-ECD
#
# Description of dqi_cd:
# A  - Historical data
# R  - Reviewed and approved
#
# Description of rpt_lev_cd:
# IRL  - Interim reporting level
#
# Data for the following sites are included:
#  USGS 02087580 SWIFT CREEK NEAR APEX, NC
#
agency_cd	site_no	sample_dt	sample_tm	sample_end_dt	sample_end_tm	sample_start_time_datum_cd	tm_datum_rlbty_cd	coll_ent_cd	medium_cd	tu_id	body_part_id	parm_cd	remark_cd	result_va	val_qual_tx	meth_cd	dqi_cd	rpt_lev_va	rpt_lev_cd	lab_std_va	anl_ent_cd
5s	15s	10d	5d	10d	5d	3s	1s	8s	3s	11s	11s	5s	1s	12s	5s	5s	1s	12s	6s	11s	8s
USGS	02087580	1989-10-18	11:30			EDT	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1990-04-04	08:30			EDT	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1990-08-28	15:40			EDT	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1990-10-31	13:30			EST	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1991-04-25	14:45			EDT	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1991-08-07	14:15			EDT	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1991-08-07	14:16			EDT	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1992-02-26	09:45			EST	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1992-04-16	15:30			EDT	T	USGS-WRD	WS			39516	<	0.1		GCE12	A				
USGS	02087580	1992-10-30	10:50			EST	T	USGS-WRD	BA	81385	59	49354	<	50		GCE18	A				
USGS	02087580	1992-10-30	10:50			EST	T	USGS-WRD	SB			49459	<	100		GCE13	A				
USGS	02087580	2009-08-10	10:45			EDT	K	USGS-WRD	SB			39507	<	15.0		GCE15	R	5	IRL		USGSNWQL
USGS	02087580	2009-08-10	10:45			EDT	K	USGS-WRD	SB			39511	<	15.0		GCE15	R	5	IRL		USGSNWQL
USGS	02087580	2009-08-10	10:45			EDT	K	USGS-WRD	SB			46343	<	15		GCE15	R	5	IRL		USGSNWQL