Electronic Chain of Custody (eCoC) | TDLR Lab #1050

RESTRICTED ENTRY // TDLR ACCREDITED LAB #1050

SAMPLE LOGGING SYSTEM

INTAKE REF: SHA256-INIT-TDLR1050

STEP 01: CHAIN OF CUSTODY METADATA

PROJECT NAME / LOSS IDENTIFIER *

FIELD ASSESSOR LICENSE # (TDLR MAC/MAT) *

SITE PHYSICAL ADDRESS *

FIELD GPS COORDINATES

REPORT RECIPIENT EMAIL *

COLLECTION DATE

STEP 02: SAMPLE LOGGING MATRIX 3 SAMPLES LOGGED // 150 L TOTAL VOLUME

SAMPLE ID *	LOCATION / AREA NOTES *	MEDIA TYPE	FLOW (L/MIN)	MINUTES	TOTAL (L)	DEL
					75 L
					75 L
					N/A

ASTM D7391 COMPLIANCE: Standard calibrated spore trap air volume is 75 L (15.0 L/min for 5 min) or 150 L (15.0 L/min for 10 min in low particulate areas).

STEP 03: TURNAROUND TIME (TAT) SPECIFICATION

ROUTINE CLEARANCE

STANDARD 3–5 DAY

Comprehensive optical microscopy (ASTM D7391) with standard QA review. Ideal for post-remediation clearance verifications and general real estate inspections.

● BENCH TIME: 72–120 HRS

RECOMMENDED

EXPEDITED BENCH

24-HR STAT RUSH

Priority queue intake with electronic Certificate of Analysis dispatched within 24 hours of sample receipt. Critical for pending closing deadlines and protocol drafting.

● BENCH TIME: < 24 HRS

PRIORITY CRISIS

SAME-DAY EMERGENCY

Immediate drop-off priority. Optical microscope assigned upon courier arrival. Results guaranteed within 4–8 hours for containment breach situations.

● BENCH TIME: 4–8 HRS

STEP 04: CUSTODIAL SUMMARY & CRYPTOGRAPHIC E-SIGNATURE

PROJECT

ASSESSOR LICENSE

SAMPLE COUNT

REQUESTED TAT

CUSTODY VERIFICATION CHECKSUM:

SHA256-INIT

LEGAL RELINQUISHMENT // TDLR OCCUPATIONS CODE CH 1958

Sign with mouse or touch stylus to authenticate chain of custody transfer

By signing, I certify under penalty of perjury that these samples were collected in accordance with ASTM/TDLR protocol.